Standard Method for Determination of Potassium and Sodium

Standard Method for Determination of Potassium and Sodium, Total:500 items.

In the international standard classification, Standard Method for Determination of Potassium and Sodium involves: Water quality, Analytical chemistry, Non-ferrous metals, Inorganic chemicals, Construction materials, Chipless working equipment, Metalliferous minerals, Products of the chemical industry, General methods of tests and analysis for food products, Soil quality. Pedology, Coals, Fuels, Geology. Meteorology. Hydrology, Products of non-ferrous metals, Refractories, Milk and milk products, Non-metalliferous minerals, Welding, brazing and soldering, Testing of metals, Animal feeding stuffs, Beverages, Burners. Boilers, Organic chemicals, Jewellery, Lubricants, industrial oils and related products, Iron and steel products, Sugar. Sugar products. Starch, Glass, Meat, meat products and other animal produce, Pulps, Paper and board, Air quality, Crude petroleum, Nuclear energy engineering, Metrology and measurement in general, Pharmaceutics, Powder metallurgy, Farming and forestry, Road engineering, Measurement of volume, mass, density, viscosity, Products of the textile industry, Edible oils and fats. Oilseeds, Petroleum products in general, Quality, Road vehicles in general, Paint ingredients, Equipment for petroleum and natural gas industries, Test conditions and procedures in general.

Professional Standard - Agriculture, Standard Method for Determination of Potassium and Sodium

NY 146.18-1988 Juice Determination Methods Determination of Potassium and Sodium
SN/T 5055.1-2018 Biodiesel Analysis Methods Part 1: Determination of Sodium, Potassium, Calcium and Magnesium Ion Ion Chromatography

IN-BIS, Standard Method for Determination of Potassium and Sodium

IS 9497-1980 Method for determination of sodium and potassium (flame photometry)
IS 10614-1983 Method for determination of sodium and potassium by atomic absorption spectrophotometry
IS 6092 Pt.4-1985 Fertilizer Sampling and Testing Methods Part 4 Determination of Potassium

British Standards Institution (BSI), Standard Method for Determination of Potassium and Sodium

BS 6068-2.44:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium and potassium by flame emission spectrometry
BS 6068-2.43:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of potassium by atomic absorption spectrometry
BS 6068-2.42:1993 Water quality. Physical, chemical and biochemical methods. Determination of sodium and potassium: determination of sodium by atomic absorption spectrometry
BS DD CEN/TS 15105:2006 Solid biofuels - Methods for determination of the water soluble content of chloride, sodium and potassium
BS DD CEN/TS 15105:2005 Solid biofuels — Methods for determination of the water soluble content of chloride, sodium and potassium
BS 5766-21:2001 Methods for analysis of animal feeding stuffs. Determination of potassium and sodium contents. Methods using flame-emission spectrometry
BS EN 1134:1994 Method for determination of sodium, potassium, calcium and magnesium contents of fruit and vegetable juices by atomic absorption spectrometry
BS EN 1134:1995(1999) Method for Determination of sodium, potassium, calcium and magnesium contents of fruit and vegetable juices by atomic absorption spectrometry
BS 6092-11:1981(2011) Methods of Sampling and test for sodium and potassium silicates for industrial use — Part 11 : Determination of chloride content of sodium metasilicate
BS ISO 8070:2007 Milk and milk products - Determination of calcium, sodium, potassium and magnesium contents - Atomic absorption spectrometric method
BS ISO 13756:1997 Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using sodium chloride or potassium chloride
BS ISO 13756:1998 Determination of silver in silver jewellery alloys - Volumetric (potentiometric) method using sodium chloride or potassium chloride
BS ISO 13756:2015 Jewellery. Determination of silver in silver jewellery alloys. Volumetric (potentiometric) method using sodium chloride or potassium chloride
BS 6092-10:1981(2011) Methods of Sampling and test for sodium and potassium silicates for industrial use — Part 10 : Determination of matter insoluble in water
BS EN ISO 6869:2001 Animal feeding stuffs. Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc. Method using atomic absorption spectrometry
BS EN 15510:2017 Animal feeding stuffs. Methods of sampling and analysis. Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
BS EN 15621:2017 Animal feeding stuffs: Methods of sampling and analysis. Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
BS EN 16476:2014 Liquid petroleum products. Determination of Sodium, Potassium, Calcium, Phosphorus, Copper and Zinc contents in diesel fuel. Method via Inductively Coupled Plasma Optical Emission Spectrometry (ICP OES)
BS 4427-4:1969(2011) Methods of test for Sodium tripolyphosphate (penta sodium triphosphate) and sodium pyrophosphate (tetra sodium pyrophosphate) — Part 4 : Determination of loss on ignition
BS ISO 5725-5:1998 Accuracy (trueness and precision) of measurement methods and results - Alternative methods for the determination of the precision of a standard measurement method
BS EN ISO 11876:2010 Hardmetals. Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders. Flame atomic absorption spectrometric method
BS ISO 5725-4:1995 Accuracy (trueness and precision) of measurement methods and results - Basic methods for the determination of the trueness of a standard measurement method
BS ISO 5725-2:2019 Accuracy (trueness and precision) of measurement methods and results - Basic method for the determination of repeatability and reproducibility of a standard measurement method
BS ISO 17091:2013 Workplace air. Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide. Method by measurement of corresponding cations by suppressed ion chromatography
BS ISO 5725-4:2020 Accuracy (trueness and precision) of measurement methods and results - Basic methods for the determination of the trueness of a standard measurement method
BS ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results. Basic methods for the determination of repeatability and reproducibility of a standard measurement method

SCC, Standard Method for Determination of Potassium and Sodium

NS 3096:1970 Portland cement — Methods for determination of potassium and sodium
DIN CEN/TS 15105:2005 Solid biofuels - Methods for determination of the water soluble content of chloride, sodium and potassium; German version CEN/TS 15105:2005
SN-CEN/TS 15105:2005 Solid biofuels — Methods for determination of the water soluble content of chloride, sodium and potassium
UNE-CEN/TS 15105:2008 EX Solid biofuels - Methods for determination of the water soluble content of chloride, sodium and potassium
BS 7020-14:1988 Analysis of iron ores-Method for the determination of sodium and/or potassium contents: flame atomic absorption spectrometric method
DANSK DS/ISO 7485:2000 Animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry
06/30149732 DC ISO 8070. Milk and milk products. Determination of calcium, sodium, potassium and magnesium contents. Atomic absorption spectrometric method
DANSK DS/EN 1134:1994 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)
AENOR UNE-EN 15510:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
NS-EN 15510:2017 Animal feeding stuffs: Methods of sampling and analysis — Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
DANSK DS/EN 15410:2011 Solid recovered fuels - Methods for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti)
NS-EN 15410:2011 Solid recovered fuels — Methods for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti)
DIN CEN/TS 15410:2006 Solid recovered fuels - Method for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti); German version CEN/TS 15410:2006
SN-CEN/TS 15410:2006 Solid recovered fuels — Method for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti)
AASHTO T 104-1999(2020) Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate
DANSK DS/EN ISO 6869:2001 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry
DIN EN 15410 E:2010 Draft Document - Solid recovered fuels - Method for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti); German version prEN 15410:2010
AENOR UNE-EN 15621:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulfur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
NS-EN 15621:2017 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
10/30213000 DC BS EN 15410. Solid recovered fuels. Methods for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti)
DIN EN 15510 E:2016 Draft Document - Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES; German and English version FprEN 1551...
DIN EN 15621 E:2016 Draft Document - Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES; German and English ve...
NS-EN ISO 6869:2000 Animal feeding stuffs — Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc — Method using atomic absorption spectrometry (ISO 6869:2000)
BS 4427-3:1969 Methods of test for sodium tripolyphosphate ($7Ipenta$7Rsodium triphosphate) and sodium pyrophosphate ($7Itetra$7Rsodium pyrophosphate).-Determination of iron content
VDI 2449 BLATT 3-2001 Test criteria for measurement procedures — General method for determining the uncertainty of calibrated measurement procedures
VDI 2449 BLATT 3-2001 Test criteria for measurement procedures — General method for determining the uncertainty of calibrated measurement procedures
BS 4427-9:1975 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Determination of fluorine content
DIN 54388 E:2015 Draft Document - Solid recovered fuels - Determination of the water-soluble content of chloride, sodium and potassium using the liquid obtained by the press method
10/30235416 DC BS EN 15621. Animal feeding stuffs. Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
BS 5688-26:1981 Methods of test for boric acid, boric oxide, $7Idi$7Rsodium tetraborates, sodium perborates and crude sodium borates for industrialuse-Determination of degree of attrition of sodium perborates
DANSK DS/EN ISO 11876:2010 Hardmetals - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders - Flame atomic absorption spectrometric method
BS ISO 5725-4:1994 Accuracy (trueness and precision) of measurement methods and results-Basic methods for the determination of the trueness of a standard measurement method
BS 4427-8:1974 Methods of test for sodium tripolyphosphate (pentasodium triphosphate) and sodium pyrophosphate (tetrasodium pyrophosphate) for industrial use-Determination of orthophosphate content
12/30267087 DC BS EN 16476. Liquid Petroleum products. Determination of Sodium, Potassium, Calcium, Phosphorus, Copper and Zinc contents in diesel fuel. Methold via Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)
AASHTO T 258-1981(2022) Standard Method of Test for Determining Expansive Soils

American Society for Testing and Materials (ASTM), Standard Method for Determination of Potassium and Sodium

ASTM E538-17 Standard Test Methods for Mercury in Caustic Soda (Sodium Hydroxide) and Caustic Potash (Potassium Hydroxide)
ASTM E538-17a Standard Test Methods for Mercury in Caustic Soda (Sodium Hydroxide) and Caustic Potash (Potassium Hydroxide)
ASTM E291-04 Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)
ASTM E291-09 Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)
ASTM E291-18 Standard Test Methods for Chemical Analysis of Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide)
ASTM F1617-98 Standard Test Method for Measuring Surface Sodium, Aluminum, Potassium, and Iron on Silicon and EPI Substrates by Secondary Ion Mass Spectrometry
ASTM E1787-96 Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography
ASTM E1787-08 Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography
ASTM E1787-02 Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography
ASTM E538-98(2008) Standard Test Method for Mercury in Caustic Soda (Sodium Hydroxide) and Caustic Potash (Potassium Hydroxide)
ASTM D5086-20 Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM D5086-01(2013) Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM B712-93(2006) Standard Guide for Determination of Sodium and Potassium Content For Silver-Cadmium Oxide Contact Materials
ASTM B712-93(2012) Standard Guide for Determination of Sodium and Potassium Content For Silver-Cadmium Oxide Contact Materials
ASTM D2791-93(2001) Standard Test Methods for Continuous Determination of Sodium in Water
ASTM D2791-19 Standard Test Method for On-Line Determination of Sodium in Water
ASTM D3561-16(2021)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D1428-82e1 Methods of Test for Sodium and Potassium in Water and Water-Formed Deposits by Flame Photometry
ASTM E1787-16 Standard Test Method for Anions in Caustic Soda and Caustic Potash (Sodium Hydroxide and Potassium Hydroxide) by Ion Chromatography
ASTM D2791-13 Standard Test Method for On-line Determination of Sodium in Water
ASTM D3561-02(2007)e1 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-96 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-02 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3561-16 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D3113-92(1998) Standard Test Methods for Sodium Salts of EDTA in Water
ASTM D2791-07 Standard Test Method for On-line Determination of Sodium in Water
ASTM D5086-01 Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM D5086-95 Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM D5086-01(2008) Standard Test Method for Determination of Calcium, Magnesium, Potassium, and Sodium in Atmospheric Wet Deposition by Flame Atomic Absorption Spectrophotometry
ASTM D3561-11 Standard Test Method for Lithium, Potassium, and Sodium Ions in Brackish Water, Seawater, and Brines by Atomic Absorption Spectrophotometry
ASTM D7637-10(2021) Standard Test Method for Determination of Glycerin Assay by Titration (Sodium Meta Periodate)
ASTM D7637-10(2015) Standard Test Method for Determination of Glycerin Assay by Titration (Sodium Meta Periodate)
ASTM D1318-00 Standard Test Method for Sodium in Residual Fuel Oil (Flame Photometric Method)
ASTM D1318-00(2005) Standard Test Method for Sodium in Residual Fuel Oil (Flame Photometric Method)
ASTM D1318-00(2011) Standard Test Method for Sodium in Residual Fuel Oil (Flame Photometric Method)
ASTM E342-04 Standard Test Method for Determination of Chromium Oxide in Chrome Ores by Permanganate Titrimetry
ASTM E342-11 Standard Test Method for Determination of Chromium Oxide in Chrome Ores by Permanganate Titrimetry
ASTM D3340-07 Standard Test Method for Lithium and Sodium in Lubricating Greases by Flame Photometer
ASTM D4192-08 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D4192-03 Standard Test Method for Potassium in Water by Atomic Absorption Spectrophotometry
ASTM D1318-16 Standard Test Method for Sodium in Residual Fuel Oil (Flame Photometric Method)
ASTM D5357-98 Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-Ray Diffraction
ASTM D5357-03(2008)e1 Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
ASTM D5357-03(2013) Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
ASTM C88-99a Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
ASTM C88-76 Standard Test Method for Soundness Of Aggregates By Use Of Sodium Sulfate Or Magnesium Sulfate
ASTM C88/C88M-18 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
ASTM C88/C88M-24 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
ASTM D5357-03 Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-Ray Diffraction
ASTM D5357-19 Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
ASTM D2023-89(1995)e1 Standard Test Method of Analysis for Sodium Toluene Sulfonate in Detergents
ASTM D5863-22 Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
ASTM D1696-95(2011) Standard Test Method for Solubility of Cellulose in Sodium Hydroxide
ASTM D1696-95(2019)e1 Standard Test Method for Solubility of Cellulose in Sodium Hydroxide
ASTM E256-98 Standard Test Method for Chlorine in Organic Compounds by Sodium Peroxide Bomb Ignition
ASTM E256-98(2003)e1 Standard Test Method for Chlorine in Organic Compounds by Sodium Peroxide Bomb Ignition
ASTM E257-98 Standard Test Method for Sulfur in Organic Compounds by Sodium Peroxide Bomb Ignition
ASTM E257-98(2003)e1 Standard Test Method for Sulfur in Organic Compounds by Sodium Peroxide Bomb Ignition
ASTM E256-09 Standard Test Method for Chlorine in Organic Compounds by Sodium Peroxide Bomb Ignition
ASTM D5863-00a(2016) Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
ASTM D6071-96(2000) Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
ASTM D6071-96 Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
ASTM E1887-97 Standard Test Method for Fog Determination
ASTM D7304-22 Standard Test Method for Determination of Denatonium Benzoate in Engine Coolant by HPLC
ASTM D7304-22a Standard Test Method for Determination of Denatonium Benzoate in Engine Coolant by HPLC
ASTM D6071-14(2022) Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
ASTM D5863-00 Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
ASTM D5863-00a Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
ASTM D5863-00a(2011) Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
ASTM D5863-00a(2005) Standard Test Methods for Determination of Nickel, Vanadium, Iron, and Sodium in Crude Oils and Residual Fuels by Flame Atomic Absorption Spectrometry
ASTM F2605-08 Standard Test Method for Determining the Molar Mass of Sodium Alginate by Size Exclusion Chromatography with Multi-angle Light Scattering Detection (SEC-MALS)
ASTM F2605-16 Standard Test Method for Determining the Molar Mass of Sodium Alginate by Size Exclusion Chromatography with Multi-angle Light Scattering Detection (SEC-MALS)
ASTM E561-21 Standard Test Method for KR Curve Determination
ASTM E561-20 Standard Test Method for KR Curve Determination
ASTM E561-19 Standard Test Method for KR Curve Determination
ASTM E561-19e1 Standard Test Method for KR Curve Determination
ASTM E561-22 Standard Test Method for KR Curve Determination
ASTM E561-08e1 Standard Test Method forK-R Curve Determination
ASTM E561-10e1 Standard Test Method for K-R Curve Determination
ASTM C88-05 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
ASTM C88-13 Standard Test Method for Soundness of Aggregates by Use of Sodium Sulfate or Magnesium Sulfate
ASTM D6703-19 Standard Test Method for Automated Heithaus Titrimetry
ASTM D5199-11 Standard Test Method for Measuring the Nominal Thickness of Geosynthetics
ASTM D5440-93(1997) Standard Test Method for Determining the Melting Point of Fats and Oils
ASTM D5440-17(2021) Standard Test Method for Determining the Melting Point of Fats and Oils
ASTM D5554-15(2021) Standard Test Method for Determination of the Iodine Value of Fats and Oils
ASTM D5440-17 Standard Test Method for Determining the Melting Point of Fats and Oils
ASTM D5440-93(2009) Standard Test Method for Determining the Melting Point of Fats and Oils
ASTM D5240-04 Standard Test Method for Testing Rock Slabs to Evaluate Soundness of Riprap by Use of Sodium Sulfate or Magnesium Sulfate
ASTM D1067-11 Standard Test Methods for Acidity or Alkalinity of Water
ASTM C169-16(2022) Standard Test Methods for Chemical Analysis of Soda-Lime and Borosilicate Glass
ASTM D6071-14 Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
ASTM D6071-06 Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
ASTM D6071-13 Standard Test Method for Low Level Sodium in High Purity Water by Graphite Furnace Atomic Absorption Spectroscopy
ASTM D1013-93(1998) Standard Test Method for Determining Total Nitrogen in Resins and Plastics
ASTM F2259-03(2008) Standard Test Method for Determining the Chemical Composition and Sequence in Alginate by Proton Nuclear Magnetic Resonance (¹H NMR) Spectroscopy
ASTM E502-21 Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods
ASTM E502-06a Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods
ASTM E502-06 Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods
ASTM E502-84(2000) Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods
ASTM E502-84(1994) Standard Test Method for Selection and Use of ASTM Standards for the Determination of Flash Point of Chemicals by Closed Cup Methods
ASTM D803-02 Standard Test Methods for Testing Tall Oil
ASTM E2164-08 Standard Test Method for Directional Difference Test
ASTM D8213-18 Standard Test Method for Determination of Boron in Coal
ASTM D5551-95(2019) Standard Test Method for Determination of the Cloud Point of Oil
ASTM D803-03 Standard Test Methods for Testing Tall Oil
ASTM D5551-95(2012) Standard Test Method for Determination of the Cloud Point of Oil
ASTM D4739-06 Standard Test Method for Base Number Determination by Potentiometric Titration
ASTM D4739-96 Standard Test Method for Base Number Determination by Potentiometric Titration
ASTM D4739-05 Standard Test Method for Base Number Determination by Potentiometric Titration

Japanese Industrial Standards Committee (JISC), Standard Method for Determination of Potassium and Sodium

JIS K 0400-48-10:1998 Water quality -- Determination of sodium and potassium -- Part 3: Determination of sodium and potassium by flame emission spectrometry
JIS K 0400-49-20:1998 Water quality -- Determination of sodium and potassium -- Part 2: Determination of potassium by atomic absorption spectrometry
JIS K 0400-48-20:1998 Water quality -- Determination of sodium and potassium -- Part 1: Determination of sodium by atomic absorption spectrometry
JIS K 1571:1998 Qualitative standards and testing methods of wood preservatives

RU-GOST R, Standard Method for Determination of Potassium and Sodium

GOST 26880.2-1986 Lead. Methods of sodium and potassium determination
GOST 29234.10-1991 Moulding sands. Methods for determination for potassium and sodium oxides
GOST 23862.6-1979 Rare-earth metals and their oxides. Methods of determination of sodium, potassium and calcium
GOST 26427-1985 Soils. Method for determination of sodium and potassium in water extract
GOST 28935-1991 Solid fuel. Method for the determination of sodium and potassium soluble in dilute hydrochloric acid
GOST 13997.11-1984 Zirconium containing refractory materials and products. Methods of determination of sodium and potassium oxides
GOST 18184.7-1979 Niobium pentoxide. Method for the determination of potassium and sodium content
GOST 22974.10-1996 Melted welding fluxes. Methods of sodium and potassium oxides determination
GOST 22974.10-1985 Melted welding fluxes. Methods of sodium and potassium oxides determination
GOST 2642.11-1997 Refractories and refractory raw materials. Method for determination of potassium and sodium oxides
GOST 25784-1983 Petroleum fuel of gas turbines fuels. Determination content of sodium, potassium and calcium
GOST 2642.11-1986 Refractory materials and products. Methods for the determination of sodium and potassium oxides
GOST 32250-2013 Feeds, mixed feeds. Method for determination of potassium and sodium using flame-emission spectrometry
GOST R 53887-2010 Water. Methods for the determination of cations (ammonium, barium, potassium, calcium, lithium, magnesium, sodium, strontium) content using capillary electrophoresis
GOST R 51429-1999 Fruit and vegetable juices. Method for determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry
GOST 31869-2012 Water. Methods for the determination of cations (ammonium, barium, potassium, calcium, lithium, magnesium, sodium, strontium) content using capillary electrophoresis
GOST R 54920-2012 Zink concentrates. Atomic absorption method for determination of copper, lead, cadmium, cobalt, iron, potassium, sodium, gold, silver, indium, calcium and magnesium
GOST 9957-2015 Meat and meat products. Methods for determination of sodium chloride
GOST 10638-1973 Pulp and paper. Method for determination of sodium fraction of total mass
GOST R ISO 17091-2016 Workplace air. Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide. Method by measurement of corresponding cations by suppressed ion chromatography

VN-TCVN, Standard Method for Determination of Potassium and Sodium

TCVN 6196-3-2000 Water quality.Determination of sodium and potassium.Part 3: Determination of sodium and potassium by flame emission spectrometry
TCVN 6196-2-1996 Water quality.Determination of sodium and potassium.Part 2: Determination of potassium by atomic absorption spectrometry
TCVN 6196-1-1996 Water quality.Detection of sodium and potassium.Part 1: Determination of sodium by atomic absorption spectrometry
TCVN 5384-1991 Crude oil.Determination of sodium and potassium content by atomic absorption spectrophotometry
TCVN 6269-2008 Milk and milk products.Determination of calcium, sodium, potassium and magnesium contents.Atomic absorption spectrometric method
TCVN 1537-2007 Animal feeding stuffs.Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium,sodium and zinc.Method using atomic absorption spectrometry
TCVN 2370-1987 Raw silk.Method for determination of standard mass

Lithuanian Standards Office , Standard Method for Determination of Potassium and Sodium

LST ISO 9964-3:1998 Water quality. Determination of sodium and potassium. Part 3: Determination of sodium and potassium by flame emission spectrometry
LST ISO 9964-2:1998 Water quality. Determination of sodium and potassium. Part 2: Determination of potassium by atomic absorption spectrometry
LST ISO 9964-1:1998 Water quality. Determination of sodium and potassium. Part 1: Determination of sodium by atomic absorption spectrometry
LST EN 1134-2000 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)
LST EN ISO 6869:2003 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry (ISO 6869:2000)

International Organization for Standardization (ISO), Standard Method for Determination of Potassium and Sodium

ISO 9964-3:1993 Water quality; determination of sodium and potassium; part 3: determination of sodium and potassium by flame emission spectrometry
ISO 9964-2:1993 Water quality; determination of sodium and potassium; part 2: determination of potassium by atomic absorption spectrometry
ISO 1952:1976 Brown coals and lignites; Method of extraction for the determination of sodium and potassium soluble in dilute hydrochloric acid
ISO 9964-1:1993 Water quality; determination of sodium and potassium; part 1: determination of sodium by atomic absorption spectrometry
ISO 8070:1987 Dried milk; Determination of sodium and potassium contents; Flame emission spectrometric method
ISO 1692:1976 Sodium and potassium silicates for industrial use; Determination of total alkalinity; Titrimetric method
ISO 1688:1976 Sodium and potassium silicates for industrial use; Determination of dry matter; Gravimetric method
ISO 6831:1986 Iron ores; Determination of sodium and/or potassium contents; Flame atomic absorption spectrometric method
ISO 2124:1972 Sodium and potassium silicates for industrial use; Determination of silica content; Titrimetric method
ISO 7485:2000 Animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry
ISO 8070:2007 | IDF 119:2007 Milk and milk products — Determination of calcium, sodium, potassium and magnesium contents — Atomic absorption spectrometric method
ISO/PRF 13756:2024 Jewellery and precious metals — Determination of silver — Potentiometry using sodium chloride or potassium chloride
ISO 13756:2024 Jewellery and precious metals — Determination of silver — Potentiometry using sodium chloride or potassium chloride
ISO 7969:1985 Manganese ores and concentrates; Determination of sodium and potassium contents; Flame atomic absorption spectrometric method
ISO 4571:1981 Manganese ores and concentrates; Determination of potassium and sodium content; Flame atomic emission spectrometric method
ISO 1691:1976 Sodium and potassium silicates for industrial use; Determination of carbonates content; Gas-volumetric method
ISO 3201:1975 Sodium and potassium silicates for industrial use; Determination of iron content; 1,10- Phenanthroline photometric method
ISO 3200:1975 Sodium and potassium silicates for industrial use; Determination of sulphates content; Barium sulphate gravimetric method
ISO 27085:2009 Animal feeding stuffs - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum, arsenic, lead and cadmium by ICP-AES
ISO 6869:2000 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry
ISO 1687:1976 Sodium and potassium silicates for industrial use; Determination of density at 20 degrees C of products in solution; Method using density hydrometer and method using pyknometer
ISO/DIS 13756 Jewellery and precious metals — Determination of silver in silver alloys — Potentiometry using sodium chloride or potassium chloride
ISO 1690:1976 Sodium and potassium silicates for industrial use; Determination of silica content; Gravimetric method by insolubilization
ISO 10136-2:1993 Glass and glassware; analysis of extract solutions; part 2: determination of sodium oxide and potassium oxide by flame spectrometric methods
ISO 11876:2010 Hardmetals - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders - Flame atomic absorption spectrometric method
ISO 5725-4:2020 Accuracy (trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method
ISO 17091:2013 Workplace air.Determination of lithium hydroxide, sodium hydroxide,potassium hydroxide and calcium dihydroxide.Method by measurement of corresponding cations by suppressed ion chromatography

Korean Agency for Technology and Standards (KATS), Standard Method for Determination of Potassium and Sodium

KS I ISO 9964-3-2023 Water quality — Determination of sodium and potassium — Part 3: Determination of sodium and potassium by flame emission spectrometry
KS I ISO 9964-3:2018 Water quality — Determination of sodium and potassium — Part 3: Determination of sodium and potassium by flame emission spectrometry
KS I ISO 9964-2:2018 Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry
KS I ISO 9964-2-2023 Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry
KS I ISO 9964-1-2023 Water quality — Determination of sodium and potassium — Part 1: Determination of sodium by atomic absorption spectrometry
KS I ISO 9964-1:2018 Water quality — Determination of sodium and potassium — Part 1: Determination of sodium by atomic absorption spectrometry
KS M ISO 1692:2012 Sodium and potassium silicates for industrial use-Determination of total alkalinity-Titrimetric method
KS M ISO 1692:2017 Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
KS M ISO 1692-2017(2022) Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
KS M ISO 1692-2022 Sodium and potassium silicates for industrial use — Determination of total alkalinity — Titrimetric method
KS E ISO 4571-2001(2016) Manganese ores and concentrates- Determination of sodium and potassium content - Flame atomic emission spectrometric method
KS E ISO 4571:2001 Manganese ores and concentrates－Determination of sodium and potassium content－Flame atomic emission spectrometric method
KS E ISO 7969:2001 Manganese ores and concentrates －Determination of sodium and potassium contents－Flame atomic absorption spectrometric method
KS E ISO 4571-2001(2021) Manganese ores and concentrates- Determination of sodium and potassium content - Flame atomic emission spectrometric method
KS H ISO 8070-2023 Milk and milk products — Determination of calcium, sodium, potassium and magnesium contents — Atomic absorption spectrometric method
KS H ISO 8070:2018 Milk and milk products — Determination of calcium, sodium, potassium and magnesium contents — Atomic absorption spectrometric method
KS E ISO 7969-2001(2021) Manganese ores and concentrates －Determination of sodium and potassium contents－Flame atomic absorption spectrometric method
KS M ISO 1691:2012 Sodium and potassium silicates for industrial use－Determination of carbonates content－Gas-volumetric method
KS M ISO 1691:2017 Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method
KS M ISO 1691-2017(2022) Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method
KS M ISO 1691-2022 Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method
KS M ISO 1690-2022 Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
KS E ISO 4571-2021 Manganese ores and concentrates- Determination of sodium and potassium content - Flame atomic emission spectrometric method
KS M ISO 1690-2017(2022) Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
KS M ISO 1690:2002 Sodium and potassium silicates for industrial use-Determination of silica content-Gravimetric method by insolubilization
KS M ISO 1690:2017 Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
KS A ISO 5725-4:2021 Accuracy(trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method
KS I ISO 17091:2020 Workplace air — Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide — Method by measurement of corresponding cations by suppressed ion chromatography

GSO, Standard Method for Determination of Potassium and Sodium

GSO ISO 9964-3:2013 Water quality -- Determination of sodium and potassium -- Part 3: Determination of sodium and potassium by flame emission spectrometry
BH GSO ISO 9964-3:2016 Water quality -- Determination of sodium and potassium -- Part 3: Determination of sodium and potassium by flame emission spectrometry
GSO ISO 9964-2:2013 Water quality -- Determination of sodium and potassium -- Part 2: Determination of potassium by atomic absorption spectrometry
GSO ISO 9964-1:2013 Water quality - Determination of sodium and potassium - Part 1: Determination of sodium by atomic absorption spectrometry
OS GSO ISO 9964-1:2013 Water quality - Determination of sodium and potassium - Part 1: Determination of sodium by atomic absorption spectrometry
BH GSO ISO 9964-1:2016 Water quality - Determination of sodium and potassium - Part 1: Determination of sodium by atomic absorption spectrometry
GSO ISO 1692:2016 Sodium and potassium silicates for industrial use -- Determination of total alkalinity -- Titrimetric method
OS GSO ISO 1692:2016 Sodium and potassium silicates for industrial use -- Determination of total alkalinity -- Titrimetric method
BH GSO ISO 1692:2017 Sodium and potassium silicates for industrial use -- Determination of total alkalinity -- Titrimetric method
BH GSO ISO 7485:2016 Animal feeding stuffs -- Determination of potassium and sodium contents -- Methods using flame-emission spectrometry
OS GSO ISO 8070:2008 Milk and milk products - Determination of calcium, sodium, potassium and magnesium contents - Atomic absorption spectrometric method
OS GSO 173:1994 METHODS OF TEST FOR BENZOIC ACID, SODIUM BENZOATE AND POTASSIUM BENZOATE USED IN PRESERVATION OF FOODSTUFFS
GSO ISO 1691:2016 Sodium and potassium silicates for industrial use -- Determination of carbonates content -- Gas-volumetric method
OS GSO ISO 1691:2016 Sodium and potassium silicates for industrial use -- Determination of carbonates content -- Gas-volumetric method
BH GSO ISO 1691:2017 Sodium and potassium silicates for industrial use -- Determination of carbonates content -- Gas-volumetric method
GSO ISO 1690:2016 Sodium and potassium silicates for industrial use -- Determination of silica content -- Gravimetric method by insolubilization
GSO ISO 7969:2017 Manganese ores and concentrates -- Determination of sodium and potassium contents -- Flame atomic absorption spectrometric method
OS GSO ISO 1690:2016 Sodium and potassium silicates for industrial use -- Determination of silica content -- Gravimetric method by insolubilization
OS GSO ISO 7969:2017 Manganese ores and concentrates -- Determination of sodium and potassium contents -- Flame atomic absorption spectrometric method
GSO ISO 17091:2021 Workplace air — Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide — Method by measurement of corresponding cations by suppressed ion chromatography
BH GSO ISO 17091:2022 Workplace air — Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide — Method by measurement of corresponding cations by suppressed ion chromatography
OS GSO 786:1997 METHODS OF TEST FOR INFANT FOODS BASED ON MILK - DETERMINATION OF POTASSIUM, PHOSPHORUS AND MANGANESE
BH GSO ISO 11876:2017 Hardmetals -- Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders -- Flame atomic absorption spectrometric method
OS GSO ISO 5725-4:2010 Accuracy (trueness and precision) of measurement methods and results -- Part 4: Basic methods for the determination of the trueness of a standard measurement method
GSO ISO 10136-2:2010 Glass and glassware -- Analysis of extract solutions -- Part 2: Determination of sodium oxide and potassium oxide by flame spectrometric methods

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Standard Method for Determination of Potassium and Sodium

GB/T 23765-2009 Test method of sodium cyanide and potassium cyanide products
GB/T 15076.16-2008 Method for chemical analysis of tantalum and niobium.Determination of sodium and potassium contents
GB/T 15079.10-1994 Molybdenum concentrates-Determination of potassium and sodium content
GB/T 14949.7-1994 Manganese ores- Determination of sodium and potassium contents
GB/T 16416-1996 Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid
GB/T 16416-2007 Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid
GB/T 14506.11-1993 Sillicate rocks. Determination of potassium oxide and sodium oxide
GB 6730.49-1986 Methods for chemical analysis of iron ore - Determination of sodium and potassium by atomic absorption spectrometry
GB/T 23278.1-2009 Methods for chemical analysis of sodium stannate.Part 1:Determination of tin content.Titration
GB/T 22661.3-2008 Chemical analysis methods of potassium fluoborate.Part3:Determination of potassium fluoborate content.Sodium hydroxide titration volumetric method
GB/T 4634-1996 Determination of potassium,sodium,iron,calcium,magnesium and manganese in coal ash by atomic absorption spectrometric method
GB/T 14949.7-2024 Manganese ores - Determination of sodium and potassium content - Flame atomic absorption spectrometry
GB/T 5413.21-1997 Milk powder and formula foods for infant and young children--Determination of calcium, iron, zinc, sodium, potassium, magnesium, copper and manganese
GB/T 20255.1-2006 Methods for chemical analysis of hardmetals. Determination of calcium,potassium,magnesium and sodium contents. Flame atomic absorption spectrometric method
GB/T 31532-2015 Determination of acesulfame potassium and sodium saccharin in toothpaste.High performance liquid chromatography
GB 5413.21-2010 National food safety standard Determination of calcium,iron,zinc,sodium,potassium,magnesium,copper and manganese in foods for infans and young children,milk and milk products
GB/T 14506.11-2010 Methods for chemical analysis of silicate rocks.Part 11:Determination of potassium oxide and sodium oxide content
GB/T 13748.17-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of kalium content and natrium content.Flame atomic absorption spectrophotometric method
GB/T 18932.12-2002 Method for the determination of potassium,sodium,calcium,magnesium,zinc,iron,copper,manganese,chromium,lead,cadmium contents in honey--Atomic absorption spectrometry
GB/T 15454-1995 Industrial circulating cooling water Determination of Sodium, Potassium, Ammonium, Magnesium and Colcium Ions Chromatography
GB/T 15454-2009 Industrial circulating cooling water.Determination of sodium ,ammonium,potassium,magnesium and calcium.Ion chromatography
GB/T 22661.7-2008 Chemical analysis methods of potassium fluoborate.Part7:Determination of sodium content.Flame atomic absorption spectrometric method
GB/T 22661.8-2008 Chemical analysis methods of potassium fluoborate.Part8:Determination of free borade content.Sodium hydroxide titration volumetric method
GB/T 13885-2003 Animal feeding stuffs-Determination of thecontents of calcium,copper,iron,magnesium,manganese,potassium,sodium and zinc-Method using atomic absorption spectrometry
GB/T 3286.12-2023 Methods for chemical analysis of limestone and dolomite Part 12: Determination of potassium oxide and sodium oxide content Flame atomic absorption spectrometry
GB/T 6609.5-2004 Chemical analysis methods and determination of physical performance of alumina Determination of sodium oxide content
GB/T 11064.4-2013 Methods for chemical analysis of lithium carbonate,lithium hydroxide monohydrate and lithium chloride.Part 4:Determination of potassium and sodium content.Flame atomic absorption spectrometric method
GB/T 6609.6-2018 Chemical analysis methods and determination of physical performance of alumina.Part 6:Determination of potassium oxide content
GB/T 13370-1992 Determination of lithium,sodium,potassium and cesium in uranium dioxide dioxide powders and pellets by atomic absorption spectrophotometry/flame emission spectrophotometry
GB/T 42511-2023 Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cemented carbide cobalt powder by flame atomic absorption spectrometry
GB/T 23278.6-2009 Methods for chemical analysis of sodium stannate.Part 6:Determination of free alkali content.Titration

GOST, Standard Method for Determination of Potassium and Sodium

GOST R 50332.4-1992 Alumina. Methods for the determination of sodium oxide and natrium oxide
GOST 25542.3-2023 Alumina. Methods for the determination of sodium oxide, potassium oxide, zinc oxide, calcium oxide and alkalinity
GOST 25542.3-1982 Alumina. Determination of sodium content fiame emission spectrophotometric method
GOST 34837-2022 Adapted dairy products for baby food. Determination of sodium, potassium, calcium, magnesium and manganese by atomic absorption spectrometry
GOST 8.213-1976 State system for ensuring the uniformity of measurements. Glass electrodes for measuring the ion activity of sodium and potassium. Methods and means of verification

KR-KS, Standard Method for Determination of Potassium and Sodium

KS I ISO 9964-3-2018 Water quality — Determination of sodium and potassium — Part 3: Determination of sodium and potassium by flame emission spectrometry
KS I ISO 9964-2-2018 Water quality — Determination of sodium and potassium — Part 2: Determination of potassium by atomic absorption spectrometry
KS I ISO 9964-1-2018 Water quality — Determination of sodium and potassium — Part 1: Determination of sodium by atomic absorption spectrometry
KS H ISO 8070-2018 Milk and milk products — Determination of calcium, sodium, potassium and magnesium contents — Atomic absorption spectrometric method
KS H ISO 8070-2018(2023) Milk and milk products — Determination of calcium, sodium, potassium and magnesium contents — Atomic absorption spectrometric method
KS M ISO 1691-2017 Sodium and potassium silicates for industrial use — Determination of carbonates content — Gas-volumetric method
KS M ISO 1690-2017 Sodium and potassium silicates for industrial use — Determination of silica content — Gravimetric method by insolubilization
KS M ISO 2482-2017 Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods
KS A ISO 5725-4-2021 Accuracy(trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method
KS I ISO 17091-2020 Workplace air — Determination of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide — Method by measurement of corresponding cations by suppressed ion chromatography

Professional Standard - Coal, Standard Method for Determination of Potassium and Sodium

MT/T 252-2000 Determination method of potassium ion and sodium ion in coal mine water
MT 252-1991 Determination method of potassium ion and sodium ion in coal mine water

Professional Standard - Non-ferrous Metal, Standard Method for Determination of Potassium and Sodium

YS/T 555.10-2006 Method for chemical analysis of molybdenum concentrate Determination of potassium and sodium content
YS/T 555.9-2009 Methods for chemical analysis of molybdenum concentrate.Determination of potassium and sodium content.Flame atomic absorption spectrometry
YS/T 539.5-2009 Methods for chemical analysis of nickel base alloy powder.Part 5:Determination of manganese content.Sodium(potassium)periodate spectrophotometry
YS/T 575.9-2007 Methods for chemical analysis of bauxite.Part 9:Determination of potassium oxide and sodium oxide content.Flame atomic absorption spectrophotometric method
YS/T 509.1-2006 Methods for chemical analysis of spodumene and lepidolite concentrates - Determination of lithium oxide, sodium oxide and potassium oxide by atomic absorption spectrophotometry
YS/T 509.1-2008 Methods for chemical analysis of spodumene and lepidolite concentrates.Determination of lithium oxide, sodium oxide, and potassium oxide contents.Flame atomic absorption spectometric method
YS/T 535.7-2009 Chemical analysis methods of sodium fluoride.Part 7:Determination of acidity.Neutral titration method

CZ-CSN, Standard Method for Determination of Potassium and Sodium

CSN 66 8102 Cast.15-1989 Smokeless powders. Methods of testing. Determination of sodium sulphate and potassium sulphate
CSN 66 8102 Cast.15-1997 Smokeless powder. Test Methods. Determination of sodium sulfate and potassium sulfate
CSN 42 0605 Cast.7-1972 Chemical analysis of silicon. Detennination of sodium and potassium by flamephotometry
CSN 70 0641 Cast.1-1976 Chemical analysis of glass. Determinat- ion of sodium and potassium oxide. Fláme photometric method
CSN 70 0527 Cast.3-1986 Glass testing methods. Silicate glass. Method for the quantitative analysis of the extracts from the surface of glass products. The determination of sodium and potassium oxide
CSN 72 2030 Cast.12-1992 Chemical analysis of blast furnace slag. Atomic absorption methods of determination of titanium dioxide, zinc, cadmium, lead, sodium oxide and potassium oxide contents from the same test portion
CSN 70 0641 Cast.2-1976 Chemical analysis of glass. Determinat- ion of sodium and potassium oxides. Fláme photometric method (after se- paration with ion exehangers)

National Health Commission of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

GB 5009.91-2017 Determination of Potassium and Sodium in Food Safety National Standards

Professional Standard - Commodity Inspection, Standard Method for Determination of Potassium and Sodium

SN/T 0945-2000 Method for the determination of potassium sodium and magenesium in fluorspar powder for import and export

BE-NBN, Standard Method for Determination of Potassium and Sodium

NBN T 91-303-1973 Testing water — Determination of sodium, potassium and lithium, flame photo-metric method.
NBN EN 1134-1995 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)
NBN T 03-174-1980 Sodium sulphate for industrial use - Determination of sulphates content - Calculation method and barium sulphate gravimetric method
NBN T 03-164-1980 Sodium chloride for industrial use - Determination of calcium and magnesium contents - EDTA complexometric methods

NL-NEN, Standard Method for Determination of Potassium and Sodium

NEN 6442-1979 Water - Flame photometric determination of sodium and potassium content
NEN 3771-1979 Cheese - Physical and chemical test methods - Determination of the sodium and the potassium content by flame photometry

Professional Standard - Geology, Standard Method for Determination of Potassium and Sodium

DZ/T 0064.28-1993 Groundwater quality testing methods - Determination of potassium, sodium, lithium and ammonium by ion chromatography
DZ/T 0064.27-1993 Examination methods for groundwater quality Determination of potassium and sodium by flame emission spectrometry
DZ/T 0064.28-2021 Methods of analysis of groundwater quality - Part 28: Determination of potassium, sodium, lithium and ammonium by ion chromatography
DZ/T 0064.27-2021 Methods of analysis of groundwater quality - Part 27: Determination of potassium and sodium by flame emission spectrometry
DZ/T 0064.42-2021 Methods for analysis of groundwater quality - Part 42: Determination of calcium, magnesium, potassium, sodium, aluminum, iron, strontium, barium and manganese by inductively coupled plasma emission spectrometry

Association Francaise de Normalisation, Standard Method for Determination of Potassium and Sodium

NF T90-019:1984 Testing water - Determination of sodium and potassium - Flame emission spectrometry method
NF T90-020:1984 Testing water - Determination of sodium and potassium - Atomic absorption spectrometry method.
NF V04-355:1986 Dried milk. Determination of sodium and potassium contents. Flame emission spectrometric method.
NF T20-524:1973 Sodium and potassium silicates for industrial use. Determination of carbon dioxide content expressed as sodium or potassium carbonate. Gas-volumetric method.
NF V04-355*NF ISO 8070:2007 Milk and milk products - Determination of calcium, sodium, potassium and magnesium contents - Atomic absorption spectrometric method
NF A20-603:1989 Iron ores. Determination of sodium and/or potassium content. Flame atomic absorption spectrometric method.
NF V76-112:1980 Fruit and vegetable juices. Determination of the sodius and potassium contents (flame spectrophotometry method).
NF T20-521:1973 Sodium and potassium silicates for industrial use. Determination of dry matter-gravimetric method.
NF ISO 8070:2007 Lait et produits laitiers - Détermination des teneurs en calcium, sodium, potassium et magnésium - Méthode spectrométrie par absorption atomique
NF EN 15410:2011 Solid recovered fuels - Methods for determining the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si and Ti)
NF X34-120:2011 Solid biofuels - Determination of major elements - Al, Ca, Fe, Mg, P, K, Si, Na and Ti.
NF X34-120*NF EN ISO 16967:2015 Solid biofuels - Determination of major elements - Al, Ca, Fe, Mg, P, K, Si, Na and Ti
NF V76-117*NF EN 1134:1994 Fruit and vegetable juices. Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS).
NF T20-388:1977 Potassium hydroxide for industrial use. Determination of sodium. Gravimetric method using uranyl acetate and magnesium acetate.
NF T20-527:1980 Sodium and potassium silicates for industrial use. Determination of sulphates content. Barium sulphate gravimetric method.
NF T20-523:1973 Sodium and potassium silicates for industrial use. Determination of silica. Gravimetric method by insolubilization. Titrimetic method.
NF EN ISO 6869:2002 Aliments des animaux - Détermination des teneurs en calcium, cuivre, fer, magnésium, manganèse, potassium, sodium et zinc - Méthode par spectrométrie d'absorption atomique
NF V18-213*NF EN 15510:2017 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
NF EN 15510:2017 Aliments des animaux - Méthodes d'échantillonnage et d'analyse - Détermination des teneurs en calcium, sodium, phosphore, magnésium, potassium, fer, zinc, cuivre, manganèse, cobalt, molybdène et plomb par ICP-AES
NF T20-407:1971 Sodium chloride for industrial use. Determination of calcium and magnesium (amperometric method).
NF T20-520:1973 Sodium and potassium silicates for industrial use. Determination of density of samples in solution. Method using density hydrometer. Method using pyknometer.
NF M07-154*NF EN 16476:2014 Liquid petroleum products - Determination of sodium, potassium, calcium, phosphorus, copper and zinc contents in diesel fuel - Methold via inductively coupled plasma optical emission spectrometry (ICP-OES)
NF ISO 17091:2013 Air in workplaces - Determination of the content of lithium hydroxide, sodium hydroxide, potassium hydroxide and calcium dihydroxide - Method by measuring the corresponding cations using ion chromatography
NF EN 16476:2014 Produits pétroliers liquides - Détermination des concentrations en sodium, potassium, calcium, phosphore, cuivre et zinc dans le gazole - Méthode par spectrométrie d'émission atomique par plasma à couplage inductif (ICP OES)
NF EN ISO 11876:2010 Hard metals - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders - Flame atomic absorption spectrometry method

Sichuan Provincial Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DB51/T 2045-2015 Determination method of high-purity vanadium pentoxide potassium oxide and sodium oxide content

CEN - European Committee for Standardization, Standard Method for Determination of Potassium and Sodium

PD CEN/TS 15105:2005 Solid biofuels - Methods for determination of the water soluble content of chloride@ sodium and potassium

YU-JUS, Standard Method for Determination of Potassium and Sodium

JUS H.Z1.117-1987 Testing of industrial vvaters. Determination content vfsodium and potasium. Flame photometric me- thod
JUS H.G8.361-1988 Reagents. Zine chlori?e. Determinatioft of sodium and potassium contents. Flame atomic absorption method
JUS H.G8.346-1988 Reagents Zinec chloride. Determination of sodium and potassium contents.Flane emission speetrophotometric nethod
JUS H.G8.134-1984 Reagents. Ammoniasolution. Determination ofsodium andpotassium contents. Flame emission spectro- hotometric method
JUS H.G8.201-1985 Reagents. Ammonium chloride. Determ inati on of sodium and potassium contents. Flame emission spectrophotometric method
JUS H.G8.451-1990 Reagents. Zine sulphate heptahvdrate. Determination of potassium and sodium contents. Flame emission speetrophotometric method
JUS H.G8.370-1989 Reagents. Nickel(II) chloride hexahydrate. Determination of sodium and potassium contents. Flame emission spectrophotometric method
JUS H.G8.265-1987 Reagents. Barium chloride dihydrate. Determination of sodium and potasium contents. Flame emission spectrophotometric method
JUS H.G8.163-1984 Reagents. Sodium carbonate anhidrous and sodium carbonate decahydrate. Determination of potassium content. Flame emission spectrophotometric method
JUS H.G8.391-1989 Reagents. Calciun nitrate tetrahydrate. Determination of potassiurn and sodium contents. Flame enission spectrcphotonetric r.iethod
JUS H.G8.471-1991 Reagents. Nickel(II) sulphate x-hydrate. Determination of sodium and potassium contents. Flame emission spectrophotometric method

Professional Standard - Urban Construction, Standard Method for Determination of Potassium and Sodium

CJ/T 3018.13-1993 Leachate.Determination of potassium and sodium.Flame photometric method
CJ 26.6-1991 Municipal sewage water quality inspection method standard Determination of chemical oxygen demand Potassium dichromate method

IT-UNI, Standard Method for Determination of Potassium and Sodium

UNI 3621-1955 Mineral chemical analysis methods. Determination of sodium and potassium in iron minerals. Gravimetric analysis

中华人民共和国环境保护部, Standard Method for Determination of Potassium and Sodium

GB 11904-1989 Water quality-Determination of potassium and sodium-Flame atomic absorption spectrophotometry

Danish Standards Foundation, Standard Method for Determination of Potassium and Sodium

DS/ISO 7485:2001 Animal feeding stuffs - Determination of potassium and sodium contents - Methods using flame-emission spectrometry
DS/EN 1134:1995 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrometry (AAS)
DS/EN ISO 6869:2001 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry
DS/EN ISO 11876:2010 Hardmetals - Determination of calcium, copper, iron, potassium, magnesium, manganese, sodium, nickel and zinc in cobalt metal powders - Flame atomic absorption spectrometric method

GOSTR, Standard Method for Determination of Potassium and Sodium

GOST 2642.11-2018 Refractories and refractory raw materials. Method for determination of potassium and sodium oxides

国家能源局, Standard Method for Determination of Potassium and Sodium

NB/T 42116-2017 Method for determination of biomass boiler fuel elements (aluminium, calcium, iron, magnesium, phosphorus, potassium, silicon, sodium and titanium)

TR-TSE, Standard Method for Determination of Potassium and Sodium

TS 995-1971 SODIUM HYDROXIDE AND POTASSIUM HYDROXIDE FOR INDUSTRIAL USE OF CALCIUM EDTA DETERMINATION COMPLEXOMETRIC METHOD
TS 3335-1979 METHODS FOR THE CHEMICAL ANALYSISOF CERAMIC WHITAWARE CLAYS- DETERMINATION OF POTASSIUM OXIDESODIUM OXIDE CONTENTS
TS 2227-1976 SODIUM AND POTASSIUM SIUCATES FOR INDUSTBIAL USE DETERMINATION OF IRON CONTENT 1,10 —PHENANTHROL?NE PHOTOMETRIC METHOD
TS 2226-1976 SODIUM AND POTASSIUM SILICATES FOR INDUSTRIAL USE DETERMINATION OF SULPHATES CONTENT BARIUM SULPHATE GRAVIMETRIC METHOD
TS 1144-1973 SODIUM HYDROXIDE AND POTASSIUM HYDROXCDE FOR INDUSTRIAL USE DETERMIN A.TION OF THE CARBON DK>XIDE CONTENT EXPRESSED AS SODIUMOR POTASSIUM CARBONATE GAS - VOLUMETRIC METHOD

Group Standards of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

T/TAIA 001-2024 Sodium-potassium silicate for industrial use—Determination of potassium oxide and sodium oxide—Inductively coupled plasma optical emission spectrometry
T/CSTM 00756-2021 Iron ores—Determination of sodium and potassium contents— Flame atomic emission spectrometric method

Professional Standard - Aviation, Standard Method for Determination of Potassium and Sodium

HB/Z 5086.6-2000 Analytical method of cyanide electroplating copper solution Potentiometric titration determination of potassium sodium tartrate content
HB/Z 5099.6-2000 Analytical method of electroplating silver solution Potentiometric titration determination of potassium sodium tartrate content in hard silver plating solution
HB/Z 5107.13-2004 Methods for analysis of chemical oxidation solution for magnesium alloy-Part 13:Determination of potassium bichromate、sodium bichromate content by ferrous titrimetric method

Professional Standard - Chemical Industry, Standard Method for Determination of Potassium and Sodium

HG/T 2957.7-1984(1997) Alunite ores-Determination of potassium and sodium contents-Potassium tetraphenylborate gravimetric method and flame emission spectrophotometric methods
HG/T 2957.7-2004 Determination of Potassium and Sodium in Alunite Ore - Potassium Tetraphenylborate Gravimetry and Flame Emission Spectrophotometry
HG/T 6107～6110-2022 Determination methods of sodium ions, chloride ion content, chemical oxygen demand (COD) and calcium and magnesium ions in waste sulfuric acid (2022)

International Dairy Federation (IDF), Standard Method for Determination of Potassium and Sodium

IDF 119-2007 Milk and milk products -- Determination of calcium, sodium, potassium and magnesium contents -- Atomic absorption spectrometric method

PL-PKN, Standard Method for Determination of Potassium and Sodium

PN-ISO 8070-2021-06 P Milk and milk products -- Determination of calcium, sodium, potassium and magnesium contents -- Atomic absorption spectrometric method
PN H04123-1992 Iron ores. Determination of sodium and/or potassium contents. Flame atomic absorption spectrometric method
PN H04731-1966 Me?hod de?erminafion of satlpetre on products aluminium and aluminium alloys

AENOR, Standard Method for Determination of Potassium and Sodium

UNE 53985-5:2008 Plastics. Test methods for polyuretane raw materials. Polyols. Part 5: Determination the sodium and potassium content.
UNE-EN ISO 6869:2001 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc. Method using atomic absorption spectrometry. (ISO 6869:2000)
UNE 55627:1983 SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF TOTAL ALKALINITY. TITRIMETRIC METHOD
UNE 55620:1981 SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENTS FORMULATIONS. SAMPLES AND METHODS OF TEST. GENERAL
UNE 55626:1983 SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW-MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF CARBONATES CONTENT. GAS-VOLUMETRIC METHOD
UNE 55625:1982 SURFACE ACTIVE AGENTS. SODIUM AND POTASSIUM SILICATES TO BE USED AS RAW MATERIALS IN DETERGENT FORMULATIONS. DETERMINATION OF SILICA CONTENT. GRAVIMETRIC METHOD BY INSOLUBILIZATION
UNE 34204:1981 SODIUM CHLORIDE. DETERMINATION OF CALCIUM AND MAGNESIUM CONTENTS. EDTA COMPLEXOMETRIC METHODS.

工业和信息化部, Standard Method for Determination of Potassium and Sodium

YB/T 4726.13-2022 Determination of potassium and sodium content in iron-containing dust sludge by flame atomic absorption spectrometry
YB/T 4711-2018 Determination of potassium oxide and sodium oxide content in steel slag by flame atomic absorption spectrometry
YB/T 5176-2016 Determination of potassium and sodium content of raw material oil for carbon black by atomic absorption spectrometry and flame photometry
YB/T 4583.2-2017 Determination of potassium oxide and sodium oxide content in mullite by inductively coupled plasma atomic emission spectrometry
YS/T 1569.6-2022 Methods for chemical analysis of lithium nickel manganate - Part 6: Determination of potassium, sodium, calcium, iron, copper, chromium and cadmium contents by inductively coupled plasma atomic emission spectrometry

未注明发布机构, Standard Method for Determination of Potassium and Sodium

ASTM RR-D02-2031 2022 D8351-Standard Test Method for Determination of Calcium, Magnesium, Phosphorus, Potassium, and Sodium in Biodiesel and Biodiesel Blends by Microwave Plasma Atomic Emission Spectrometry (MP-AES)
DIN EN 15510 E:2016-11 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
DIN 54388 E:2015-01 Solid recovered fuels - Determination of the water-soluble content of chloride, sodium and potassium using the liquid obtained by the press method
ASTM RR-D32-1036 1993 D5357-Standard Test Method for Determination of Relative Crystallinity of Zeolite Sodium A by X-ray Diffraction
DIN EN 15621 E:2016-11 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
ASTM RR-E01-1016 1996 E1771-Standard Test Method for Determination of Copper in Anode and Blister Copper
ASTM RR-E01-1127 2019 E2575-Standard Test Method for Determination of Oxygen in Copper and Copper Alloys

German Institute for Standardization, Standard Method for Determination of Potassium and Sodium

DIN EN ISO 6869:2001-03 Animal feeding stuffs - Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc - Method using atomic absorption spectrometry (ISO 6869:2000); German version EN ISO 6869:2000
DIN EN 15410:2011-11 Solid recovered fuels - Method for the determination of the content of major elements (Al, Ca, Fe, K, Mg, Na, P, Si, Ti); German version EN 15410:2011
DIN EN 15510:2017 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
DIN EN 15510:2017-10 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES; German version EN 15510:2017
DIN EN 15621:2017 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES
DIN 54388:2016 Solid recovered fuels - Determination of the water-soluble content of chloride, sodium and potassium using the liquid obtained by the press method
DIN 54388:2016-08 Solid recovered fuels - Determination of the water-soluble content of chloride, sodium and potassium using the liquid obtained by the press method
DIN EN 15621:2017-10 Animal feeding stuffs - Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES; German version EN 15621:2017
DIN EN 16476:2014-07 Liquid petroleum products - Determination of Sodium, Potassium, Calcium, Phosphorus, Copper and Zinc contents in diesel fuel - Method via Inductively Coupled Plasma Optical Emission Spectrometry (ICP OES); German version EN 16476:2014
DIN EN 1134:1994 Fruit and vegetable juices - Determination of sodium, potassium, calcium and magnesium content by atomic absorption spectrophotometry (AAS); German version EN 1134:1994

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Standard Method for Determination of Potassium and Sodium

GJB 5381.10-2005 Methods of chemical analysis for pyrotech Part 10: Determination of potassium nitrate content. Sodium tetraphenylboron
GJB 5381.19-2005 Methods of chemical analysis for pyrotech. Part 19: Determination of sodium oxalate and ammonium oxalate content. Permanganimetric method

Military Standard of the People's Republic of China-General Armament Department, Standard Method for Determination of Potassium and Sodium

GJB 8682.10-2015 Methods for chemical analysis of pyrotechnics Part 10: Determination of potassium nitrate content Sodium tetraphenylborate method
GJB 8682.19-2015 Methods for chemical analysis of pyrotechnics Part 19: Determination of sodium oxalate and ammonium oxalate content Potassium permanganate method

TH-TISI, Standard Method for Determination of Potassium and Sodium

TIS 1925-1999 Sodium and potassium silicates for industrial use.determination of silica content.gravimetric method by insolubujzation

Professional Standard - Electron, Standard Method for Determination of Potassium and Sodium

SJ/T 10909-1996 Determination of K2O, Na2O and Li2O in electronic glass - Flame spectroscopy method

ES-UNE, Standard Method for Determination of Potassium and Sodium

UNE-EN 15510:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt, molybdenum and lead by ICP-AES
UNE-EN 15621:2018 Animal feeding stuffs: Methods of sampling and analysis - Determination of calcium, sodium, phosphorus, magnesium, potassium, sulphur, iron, zinc, copper, manganese and cobalt after pressure digestion by ICP-AES

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Standard Method for Determination of Potassium and Sodium

GB/T 13885-2017 Determination of the contents of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc in feeds—Method using atomic absorption spectrometry

The American Road & Transportation Builders Association, Standard Method for Determination of Potassium and Sodium

AASHTO T 104-2022 Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate
AASHTO T 104-1999(R2007) Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate
AASHTO T 258-1981 Standard Method of Test for Determining Expansive Soils
AASHTO T 258-81(R2018) Standard Method of Test for Determining Expansive Soils

Professional Standard - Ferrous Metallurgy, Standard Method for Determination of Potassium and Sodium

YB/T 5335-2006 Method for chemical analysis of vanadium pentoxide - Determination of potassium oxide and sodium oxide by atomic absorption spectrophotometry
YB/T 5335-2009 Determination of vanadium pentoxide, potassium oxide and sodium oxide by flame atomic absorption spectrometry
YB/T 4419.3-2014 Metallized pellet by rotary hearth furnace.Determination of potassium and sodium content.Inductively coupled plasma atomic emission spectrometric method
YB/T 190.11-2001 Methods for chemical analysis of continuous casting mold powder The sodium (potassium) periodate photometric method and the flame atomic absorption spectrometric method for the determination of manganese oxide content
YB/T 190.11-2014 Continuous casting powder.The determination of manganese oxide content.The sodium (potassium) periodate spectrophotometric method and the flame atomic absorption method

农业农村部, Standard Method for Determination of Potassium and Sodium

NY/T 3318-2018 Determination of calcium, sodium, phosphorus, magnesium, potassium, iron, zinc, copper, manganese, cobalt and molybdenum in feed Atomic emission spectrometry

Tianjin Provincial Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DB12/T 845-2018 Determination of calcium, copper, iron, magnesium, manganese, potassium, sodium and zinc in feed by inductively coupled plasma mass spectrometry

Hebei Provincial Food Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DBS13/ 006-2016 Determination of Benzoic Acid, Sorbic Acid, Dehydroacetic Acid, Sodium Saccharin and Acesulfame Potassium (Acesulfame K) in Food Safety Local Standard Food by High Performance Liquid Chromatography

European Committee for Standardization (CEN), Standard Method for Determination of Potassium and Sodium

EN ISO 6869:2000 Animal Feeding Stuffs - Determination of the Contents of Calcium, Copper, Iron, Magnesium, Manganese, Potassium, Sodium and Zinc - Method Using Atomic Absorption Spectrometry ISO 6869: 2000

Henan Provincial Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DB41/T 1439-2017 Trona chemical analysis method Determination of 11 elements such as sodium and potassium Inductively coupled plasma emission spectrometry

Professional Standard - Ocean, Standard Method for Determination of Potassium and Sodium

HY/T 206-2016 Determination of iron, manganese,nickel,potassium,sodium,calcium and magnesium in the marine sediments and organisms.Atomic absorption spectrophotometry

Jilin Provincial Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DB22/T 1666-2012 Determination of calcium, copper, iron, magnesium, manganese, potassium, sodium, zinc and phosphorus in feed - Inductively coupled plasma emission spectrometry

Hebei Provincial Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DB13/T 5090-2019 Determination of Potassium Oxide and Sodium Oxide Content in Continuous Casting Mold Flux by Wavelength Dispersive X-ray Fluorescence Spectrometry
DB13/T 5589-2022 Determination of phosphorus, titanium, manganese, chromium, potassium and sodium content in steel slag by inductively coupled plasma atomic emission spectrometry
DB13/T 5590-2022 Determination of phosphorus, titanium, manganese, zinc, potassium and sodium in iron-containing dust and sludge - Inductively coupled plasma atomic emission spectrometry

VDI - Verein Deutscher Ingenieure, Standard Method for Determination of Potassium and Sodium

VDI 2449 Blatt 3-1999 Pruefkriterien von Messverfahren - Allgemeine Methode zur Ermittlung der Unsicherheit kalibrierfaehiger Messverfahren

Professional Standard - Machinery, Standard Method for Determination of Potassium and Sodium

JB/T 8063.4-1996 Powder metallurgy materials and products chemical analysis method Determination of copper in copper-based materials and products (potassium iodide-sodium thiosulfate titration method)
JB/T 8063.5-1996 Powder metallurgy materials and products chemical analysis method Determination of tin in copper-based materials and products (sodium hypophosphite reduction-potassium iodate titration method)

AASHTO - American Association of State Highway and Transportation Officials, Standard Method for Determination of Potassium and Sodium

T 104-1999 Standard Method of Test for Soundness of Aggregate by Use of Sodium Sulfate or Magnesium Sulfate
T 258-1981 Standard Method of Test for Determining Expansive Soils

Guangxi Provincial Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DB45/T 2106-2019 Determination of Potassium, Sodium, Calcium and Magnesium in Nonfood Plants by Inductively Coupled Plasma-Atomic Emission Spectrometry

Indonesia Standards, Standard Method for Determination of Potassium and Sodium

SNI 06-6400-2000 Methods for determination of asphalt volume correction to volume at standard temperature

Jinlin Provincial Food Standard of the People's Republic of China, Standard Method for Determination of Potassium and Sodium

DBS22/ 001-2013 Determination of Sodium 4-Chlorophenoxyacetate in Bean Sprouts in Local Food Safety Standards by High Performance Liquid Chromatography

IEEE - The Institute of Electrical and Electronics Engineers@ Inc., Standard Method for Determination of Potassium and Sodium

IEEE 177-1966 STANDARD DEFINITIONS AND METHODS OF MEASUREMENT FOR PIEZOELECTRIC VIBRATORS

American National Standards Institute （ANSI), Standard Method for Determination of Potassium and Sodium

ANSI/AISI S903-2013 Standard Methods for Determination of Uniform and Local Ductility

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), Standard Method for Determination of Potassium and Sodium

ASHRAE 41.2-2018 Standard Methods for Laboratory Airflow Measurement