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Analysis method of total nitrogen

Analysis method of total nitrogen, Total:499 items.

In the international standard classification, Analysis method of total nitrogen involves: Fertilizers, Rubber, Water quality, Metalliferous minerals, Analytical chemistry, Ceramics, Testing of metals, Products of non-ferrous metals, Inorganic chemicals, Soil quality. Pedology, External water conveyance systems, Tea. Coffee. Cocoa, Sensory analysis, Ferrous metals, Fuels, Coals, Non-ferrous metals, Products of the chemical industry, Cutting tools, Crude petroleum, Sugar. Sugar products. Starch, Natural gas, Beverages, Ferroalloys, Medical sciences and health care facilities in general, Organic chemicals, Education, Milk and milk products, Lubricants, industrial oils and related products, Environmental testing, Spices and condiments. Food additives, Petroleum products in general, Refractories, Farming and forestry, Air quality, Environmental protection, Edible oils and fats. Oilseeds, Test conditions and procedures in general, Raw materials for rubber and plastics, Space systems and operations, Nuclear energy engineering, General methods of tests and analysis for food products, Insulating fluids, Energy and heat transfer engineering in general, Particle size analysis. Sieving, Burners. Boilers, Power stations in general, Microbiology, Welding, brazing and soldering, Iron and steel products, Measurement of fluid flow, Powder metallurgy, Non-metalliferous minerals, Medical equipment.

AENOR, Analysis method of total nitrogen

UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE 34082:1976 ANALYSIS METHODS FOR CHOCOLATES. TOTAL FAT.
UNE-EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
UNE 77325:2003 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
UNE-EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods
UNE-EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).

British Standards Institution (BSI), Analysis method of total nitrogen

BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
DD ISO/TS 12902:2002 Solid mineral fuels. Determination of total carbon, hydrogen and nitrogen. Instrumental methods
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS ISO 6658:2006 Sensory analysis - Methodology - General guidance
BS 6986-4:1990 Analysis of instant tea. Method for determination of total ash
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 5551 SubSec.4.1.5:1993 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of urea nitrogen content (gravimetric method using xanthydrol)
BS EN 15750:2010 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS 6200-3.22.3:1986 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method (for trace amounts)
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS 1742 Sec.5.2:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Routine method
BS 684-2.8:1977 Methods of analysis of fats and fatty oils - Other methods - Determination of total neutral oil
BS 1715-2.2:1989 Analysis of soaps. Quantitative test methods. Method for determination of total free alkali content
BS ISO 15672:2000 Rubber and rubber additives - Determination of total nitrogen content using an automatic analyser
BS 3762-3.13:1983 Analysis of formulated detergents. Quantitative test methods. Method for determination of total boron content
BS EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Chemical methods
BS 7020-4.2:1990 Analysis of iron ores. Method for the determination of total iron content. Titanium (III) chloride reduction methods
BS 1741 Sec.5.2:1990 Methods for chemical analysis of liquid milk and cream. Determination of the nitrogen content of liquid milk. Routine method
BS 6200 SubSec.3.22.1:1992 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: volumetric method
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS 1742-5.1:1991 Methods for chemical analysis of condensed milks - Determination of nitrogen content - Reference method
BS 1742-5.2:1991 Methods for chemical analysis of condensed milks - Determination of nitrogen content - Routine method
BS 770-8:1987 Methods for chemical analysis of cheese - Determination of nitrogen content (reference method)
BS DD CEN/TS 15104:2006 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods
BS DD CEN/TS 15104:2005 Solid biofuels — Determination of total content of carbon, hydrogen and nitrogen — Instrumental methods
BS 1016-106.2:1997 Methods for analysis and testing of coal and coke - Ultimate analysis of coal and coke - Determination of nitrogen content
BS 6200 SubSec.3.22.2:1985 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method
BS 1016-1:1973 Methods for analysis and testing of coal and coke - Total moisture of coal
BS 1741 Sec.5.1:1988 Methods for chemical analysis of liquid milk and cream. Determination of the nitrogen content of liquid milk. Reference method
BS 3762-3.5:1986 Analysis of formulated detergents - Quantitative test methods - Methods for determination of total organic matter content
BS 3762-3.21:1986 Analysis of formulated detergents - Quantitative test methods - Method for determination of total silica content
BS 3762-3.19:1983 Analysis of formulated detergents. Quantitative test methods. Method for determination of total phosphorus (V) oxide content
BS 1016-106.4.2:1996 Methods for analysis and testing of coal and coke. Ultimate analysis of coal and coke. Determination of total sulfur content. High temperature combustion method
BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
BS 1741-5.2:1990 Methods for chemical analysis of liquid milk and cream - Determination of the nitrogen content of liquid milk - Routine method
BS 5551 SubSec.4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 684 Sec.2.4:1976 Methods of analysis of fats and fatty oils. Other methods. Calculation of total fatty matter
BS 684 Sec.2.8:1977 Methods of analysis of fats and fatty oils. Other methods. Determination of total neutral oil
BS 1016-102:2000 Methods for analysis and testing of coal and coke - Determination of total moisture of coke
BS 1741-12:1992 Methods for chemical analysis of liquid milk and cream - Determination of total phosphorus content of milk
BS 6200 SubSec.3.22.3:1986 Sampling and analysis of iron, steel and other ferrous metals. Methods of analysis. Determination of nitrogen. Steel: spectrophotometric method (for trace amounts)
BS 3762-3.7:1986 Analysis of formulated detergents - Quantitative test methods - Method for determination of total non-ionic matter content
BS 1742 Sec.5.1:1991 Methods for chemical analysis of condensed milks. Determination of nitrogen content. Reference method

国家市场监督管理总局、中国国家标准化管理委员会, Analysis method of total nitrogen

GB/T 40723-2021 Rubber—Determination the contents of total sulfur and total nitrogen — Automatic analyser method
GB/T 37186-2018 Gas analysis—Determination of sulfur dioxide and nitrogen oxides—Ultraviolet differential optical absorption spectroscopy

Japanese Industrial Standards Committee (JISC), Analysis method of total nitrogen

JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS R 1640:2002 Methods for the quantitative phase analysis of silicon nitride
JIS G 1201:2022 Iron and steel -- General rules for analytical methods
JIS R 1603:1994 Methods for chemical analysis of fine silicon nitride powders for fine ceramics
JIS R 1675:2007 Methods for chemical analysis of fine aluminium nitride powders for fine ceramics
JIS R 1603:2007 Methods for chemical analysis of fine silicon nitride powders for fine ceramics
JIS G 1311-7:2012 Method for chemical analysis of ferromanganese -- Part 7: Determination of nitrogen content
JIS G 1313-6:2012 Method for chemical analysis of ferrochromium .Part 6: Determination of nitrogen content
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 1468-4:1999 Acid-grade fluorspar -- Method for chemical analysis -- Part 4: Determination of total phosphorus content

Professional Standard - Commodity Inspection, Analysis method of total nitrogen

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals
SN/T 0736.11-2002 Chemical analysis of fertilizers for import and export.Determination of nitrogen content by auto analyzer
SN/T 1031.2-2001 Method for the chemical analysis of crude antimony trioxide for export.Determination of total antimony content

VN-TCVN, Analysis method of total nitrogen

TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
TCVN 305-2010 Steel and iron.Determination of nitrongen content.Methods of chemical analysis.
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 311-2010 Steel and iron.Determination of total aluminium content.Methods of chemical analysis
TCVN 1821-2009 Steel and iron.Determination of total cacbon content.Methods of chemical analysis

NL-NEN, Analysis method of total nitrogen

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis

GOSTR, Analysis method of total nitrogen

GOST R 58596-2019 Soils. Methods for determination of total nitrogen

Military Standard of the People's Republic of China-General Armament Department, Analysis method of total nitrogen

GJB 507-1988 Boron nitride chemical analysis method
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method
GJB 8682.1-2015 Methods of chemical analysis of pyrotechnic powders Part 1: General principles
GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Analysis method of total nitrogen

GB/T 6730.24-1986 Methods for chemical analysis of iron ores--The arsenazo 3 photometric method for the determination of rare earth elements content
GB/T 2441.1-2008 Determination of urea.Part 1:Total nitrogen content
GB/T 10220-1988 Sensory analysis--Methodology--General guidance
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 3257.15-1999 Methods for chemical analysis of bauxite--Determination the total content of rare earth oxide--Tribromo-arsenazo photometric method
GB/T 10220-2012 Sensory analysis.Methodology.General guidance
GB 223.49-1985 Methods for chemical analysis of iron,steel and alloy--The extraction separation-chlorophosphonazo mA photometric method for the determination of rare earth elements
GB/T 223.49-1994 Methods for chemical analysis of iron,steel and alloy. Extraction separation-chlorophosphonazo mA spectrophotometric method for the determination of the total rare tarth content
GB/T 6987.24-2001 Aluminium and aluminium alloys--Determination of the cerium subgroup of rare earth elements content--Tribromoarsenazo spectrophotometric method
GB/T 20931.9-2007 Methods for chemical analysis of lithium Determination of nitrogen content Mercuric potassium iodide spectrophotometric method
GB/T 5687.4-1985 Methods for chemical analysis of ferro-chromium--The neutralization titration method for the determination of nitrogen content
GB/T 20931.4-2007 Methods for chemical analysis of lithium Determination of iron content Orthopenanthroline spectrophotometric method
GB/T 4324.26-1984 Methods for chemical analysis of tungsten--The Nessler reagent photometric method for the determination of nitrogen content
GB/T 4325.26-1984 Methods for chemical analysis of molybdenum--The nessler reagent photometric method for the determination of nitrogen content
GB/T 11606.1-1989 The method of environmental test for analytical instruments--General
GB/T 10209.1-2008 Determination of monoammonium phosphate and diammonium phosphate.Part 1:Total nitrogen content
GB/T 17767.1-2008 Determination of organic-inorganic compound fertilizers.Part 1:Total nitrogen content
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 4324.6-1984 Methods for chemical analysis of tungsten--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 4325.15-1984 Methods for chemical analysis of molybdenum--The chlorophosphonazo 1 photometric method for the determination of magnesium content
GB/T 4325.6-1984 Methods for chemical analysis of molybdenum--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 4324.15-1984 Methods for chemical analysis of tungsten--The chlorophosphonazo I photometric method for the determination of magnesium content
GB/T 14265-1993 General rule of chemical analysis for hydrogen, oxygen, nitrogen, carbon and sulfur in metal's materials
GB/T 8220.2-1998 Methods for chemical analysis bismuth--Determination of iron content--1,10-Phenanthroline photometric method
GB/T 16478.10-1996 Methods for chemical analysis of thorium nitrate.Determination of total rare earth content
GB/T 13580.1-1992 General princeptes for analytial methods of the wet precipitation
GB/T 4324.6-2012 Methods for chemical analysis of tungsten.Part 6:Determination of iron content.1,10-phenanthroline spectrophotometry
GB/T 3260.2-2013 Methods for chemical analysis of tin.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB 10267.5-1988 Analytical method for calcium metal Distillation-Nessler reagent photometric determination of nitrogen
GB/T 10267.5-1988 Method for analysis of calcium metal--The determination of nitrogen by distillation--Nessler reagent photometric method
GB/T 4698.7-2011 Methods for chemical analysis of titanium sponge, titanium and titanium alloys.Determination of oxygen and nitrogen content
GB/T 16555-2008 Chemical analysis of refractories containing carbon and silicon carbide or nitride
GB 223.36-1985 Methods for chemical analysis of iron,steel and alloy--The volumetric method for the determination of nitrogen content after distillation separation
GB 223.37-1985 Methods for chemical analysis of iron, steel and alloys Distillation separation-volumetric determination of nitrogen content
GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 5124.1-2008 Methods for chemical analysis of hardmetals.Determination of total carbon content.Gravimetric method
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
GB/T 1361-2008 General rules and regulations for analysis of iron ores
GB/T 1361-1978 Analytical methods of iron ores--Generality and common rules
GB/T 8158.4-1987 Methods for chemical analysis of sodium fluoride--The 1,10-phenanthroline spectro photometric method for the determination of iron content
GB/T 8654.1-1988 Methods for chemical analysis of manganese metal--The ortho-phenanthroline photometric method for the determination of iron content
GB/T 16480.5-1996 Method for chemical analysis of yttrium and yttium oxide--Determination of nitrogen content
GB/T 15079.12-1994 Molybdenum concentrates-Determination of oil and moisture content
GB/T 14849.1-1993 Silicon metal.Determination of iron content.1,10-Phenanthroline spectrophotometric method
GB/T 23278.2-2009 Methods for chemical analysis of sodium stannate.Part 2:Determination of iron content.1,10-phenanthroline photometric method
GB/T 13748.9-2005 Chemical analysis methods of magnesium and magnesium alloys.Determination of iron content.Orthopenanthroline spectrophotometric method
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 21172-2007 Sensory analysis.General guidance and test method for assessment of the colour of foods
GB/T 3169.2-1982 Chemical analysis of aluminum powder--Determination of total aluminum by difference
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
GB/T 10574.5-1989 Tin-lead solders--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 23274.2-2009 Methods for chemical analysis of stannic oxide.Part 2:Determination of iron content.1，10-phenanthroline photometric method
GB/T 14849.1-2007 Methods for chemical analysis of silicon metal-Part 1:Determination of iron content-1,10-Phenanthrolion spectrophotometric method
GB/T 6609.35-2023 Methods of chemical analysis and determination of physical properties of alumina Part 35: Determination of specific surface area Nitrogen adsorption method
GB/T 6609.35-2009 Chemical analysis methods and determination of physical performance of alumina-Part 35: Determination of specific surface area by nitrogen adsorption
GB/T 3253.2-2008 Methods for chemical analysis of antimony and antimony trioxide.Determination of iron content.Orthophenanthroline spectrophotometric method
GB/T 12689.11-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of lanthanum and cerium contents-The tri-bromide arsenazo spectrophotometric method
GB/T 6987.4-2001 Aluminium and aluminium alloys--Determination of iron content--Orthopenanthroline photometric method
GB/T 7315.3-1987 Methods for chamical analysis of vanadium pentixide--The ortho-phenanthroline spectrophotometric method forthe determination of iron content
GB/T 13747.2-1992 Zirconium and zirconium alloys--Determination of iron content--1,10-phenanthroline spectrophotometric method
GB/T 13748.4-1992 Magnesium and its alloys--Determination of cerium content--Tribromoarsenazo spectrophotometric method
GB 223.37-1989 Methods for chemical analysis of iron,steel and alloy The indophenol blue photometric methods for the determination of nitrogen content after distillation seperation
GB/T 13748.5-1992 Magnesium and its alloys--Determination of iron content--Orthophenanthroline spectrophotometric method
GB/T 223.37-1989 Methods for chemical analysis of iron,steel and alloy--The indophenol blue photometric methods for the determination of nitrogen content after distillation separation
GB/T 6609.4-1986 Methods for chemical analysis of aluminium oxide--The orthophenanthroline photometric method for the determination of ferric oxide content
GB/T 4375.4-1984 Methods for chemical analysis of gallium--The 4,7-diphenyl-1,10-phenanthroline photometric method for the determination of iron content
GB/T 6730.25-1986 Methods for chemical analysis of iron ores--The gravimetric method for the determination of rare earth elements content
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals--The gravimetric method for the determination of total carbon content
GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
GB/T 4325.23-2013 Methods for chemical analysis of molybdenum.Part 23:Determination of oxygen and nitrogen contents.Inert gas fusion-infrared absorption and thermal conductivity method
GB/T 26416.1-2010 Chemical analysis methods of dysprosium ferroalloy.Part 1:Determination of total rare earth contents.Gravimetry
GB/T 20975.4-2008 Methods for chemical analysis of aluminium and aluminium alloys.Part 4: Determination of iron content.Orthopenanthroline photometric method
GB/T 4375.2-1984 Methods for chemical analysis of gallium--The 4-(2-pyridylazo)-resorcinol photometric method for the determination of lead content
GB/T 8156.7-1987 Methods for chemical analysis of aluminium fluoride for industrial use--The 1,10-phenanthroline photometric method for the determination of iron content
GB/T 1467-1978 General rules and regulations of the chemical analysis methods for products of metallurgical industries
GB/T 1467-2008 Method for chemical analysis of metallurgy product.General rules and regulations
GB/T 6730.50-1986 Methods for chemical analysis of iron ores--The gas volumetric method for the determination of total carbon content
GB 6730.50-1986 Methods for chemical analysis of iron ores--The gas volumetric method for the determination of total content
GB/T 26416.1-2022 Methods for Chemical Analysis of Rare Earth Ferroalloys Part 1: Determination of Total Rare Earth

Korean Agency for Technology and Standards (KATS), Analysis method of total nitrogen

KS I 2203-2011 Methods for determination of oxides of nitrogen in flue gases
KS L 9310-2017 Methods for chemical analysis of aluminum nitride powders
KS I ISO 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS L 9310-2017(2022) Methods for chemical analysis of aluminum nitride powders
KS Q ISO 6658-2009(2019) Sensory analysis－Methodology－General guidance
KS L 3318-1998 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS L 3318-1988 METHODS FOR CHEMICAL ANALYSIS OF FINE SILICON NITRIDE POWDERS FOR FINE CERAMICS
KS Q ISO 6658:2009 Sensory analysis-Methodology-General guidance
KS E 3013-2001(2006) METHODS FOR DETERMINATION OF TOTAL IRON CONTENT IN IRON ORES
KS D 2573-2005 Methods for determination of nitrogen in zirconium and zirconium alloys
KS L 1613-1994 Methods for chemeical analysis of fine silicon nitride powers for fine ceramics
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS L 1613-2011(2016) Methods for chemical analysis of fine silicon nitride powers for fine ceramics
KS L 1613-2011(2021) Methods for chemical analysis of fine silicon nitride powers for fine ceramics
KS M 0027-1993 General Rules for Analytical Methods in Gas Chromatography Mass Spectrometry
KS M 2418-2006 Standard test method for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS H ISO 8196-1-2006(2016) Milk -- Definition and evaluation of the overall accuracy of indirect methods of milk analysis - Part 1: Analytical attributes of indirect methods
KS H ISO 1871-2013(2018) Agricultural food products ― General directions for the determination of nitrogen by the Kjeldahl method
KS H ISO 8196-1:2021 Milk — Definition and evaluation of the overall accuracy of indirect methods of milk analysis —Part 1: Analytical attributes of indirect methods
KS D ISO 1812-2002(2017) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS D ISO 1812-2002(2022) Copper alloys－Determination of iron content－1,10-Phenanthroline spectrophotometric method
KS A ISO 13320-1-2004(2009) Particle size analysis Laser diffraction methods - Part 1 General principles
KS D ISO 793-2002(2017) Aluminium and aluminium alloys－Determination of iron－Orthophenanthroline photometric method
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS H 1207-2021 Methods of analysis for sugars

Professional Standard - Machinery, Analysis method of total nitrogen

JB/T 7994-1999 Cubic boron nitride chemical analysis method
JB/T 7994-2012 Superabrasive.Chemical analysis method for cubic boran nitricle
JB/T 4394-1999 Chemical analysis methods for total rare-earth,silicon,magnesiun in rare-earth magnesium alloys
JB/T 4394-2016 Rare earth magnesium silicon alloys.Chemical analysis methods of total rare earth, silicon, total magnesium and magnesia

NO-SN, Analysis method of total nitrogen

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

American Society for Testing and Materials (ASTM), Analysis method of total nitrogen

ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D2973-71(2004) Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-10e1 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-71(1998) Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-10 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-22 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D2973-16 Standard Test Method for Total Nitrogen in Peat Materials
ASTM D3179-89(2002) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997)e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM E778-87(2004) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-87(1996) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-08 Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-15 Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM E778-15(2021) Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D7582-09 Standard Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis
ASTM D5373-21 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D7675-22 Standard Test Method for Determination of Total Hydrocarbons in Hydrogen by FID-Based Total Hydrocarbon (THC) Analyzer
ASTM D5373-14e1 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-13 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-14 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D6556-00a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-01 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D3177-89(1997) Standard Test Methods for Total Sulfur in the Analysis Sample of Coal and Coke
ASTM D3177-89(2002) Standard Test Methods for Total Sulfur in the Analysis Sample of Coal and Coke
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6556-10 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-04 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM E775-87(2004) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM D3177-75 Standard Test Methods for Total Sulfur In The Analysis Sample Of Coal And Coke
ASTM D6556-07 Standard Test Method for Carbon Black-Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-17 Standard Test Method for Carbon Black&x2014;Total and External Surface Area by Nitrogen Adsorption
ASTM D3177-02 Standard Test Methods for Total Sulfur in the Analysis Sample of Coal and Coke
ASTM D3177-02(2007) Standard Test Methods for Total Sulfur in the Analysis Sample of Coal and Coke
ASTM D6556-19a Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-19 Standard Test Method for Carbon Black—Total and External Surface Area by Nitrogen Adsorption
ASTM D3228-96 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-01 Standard Test Method for Total Nitrogen In Lubricating Oils and Fuel Oils By Modified Kjeldahl Method
ASTM D3228-05 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2002)e1 Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM D3228-03 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D322-97(2016) Standard Test Method for Gasoline Diluent in Used Gasoline Engine Oils by Distillation
ASTM E775-87(1996) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM E775-87(2008)e1 Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM E775-15 Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM E775-15(2021) Standard Test Methods for Total Sulfur in the Analysis Sample of Refuse-Derived Fuel
ASTM D3228-20 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6556-02 Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D6556-02a Standard Test Method for Carbon Black8212;Total and External Surface Area by Nitrogen Adsorption
ASTM D3228-19 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D3228-08(2019) Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM E258-07 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

ZA-SANS, Analysis method of total nitrogen

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

Indonesia Standards, Analysis method of total nitrogen

SNI 4146-2013
SNI 06-6989.26-2005 Water and wastewater - Part 26: Test methods of total solid content by gravimetric analysis

RU-GOST R, Analysis method of total nitrogen

GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 26107-1984 Soils. Methods for determination of total nitrogen
GOST EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST R ISO 15859-3-2010 Space systems. Fluid characteristics, sampling and methods of analysis. Part 3. Nitrogen
GOST R 54428-2011 Technical energy systems. Methods for analysis. Part 1. Basic principles
GOST 32985-2014 Solid biofuels. Determination of carbon, hydrogen and nitrogen by instrumental methods
GOST R 54216-2010 Solid biofuels. Determination of total content of carbon, hydrogen and nitrogen by instrumental methods
GOST 30181.4-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers and nitrale fertilizers in ammonium and nitrate forms (Deward Method)
GOST 16274.0-1977 Bismuth. General requirements for methods of analysis
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST 16923-1983 Organic products. Preparation of standard solutions for analyses by diazotization and combination methods

Association Francaise de Normalisation, Analysis method of total nitrogen

NF X31-418*NF ISO 13878:1998 Soil quality. Determination of total nitrogen content by dry combustion ("elemental analysis").
NF T20-295:1968 CHEMICAL ANALYSIS OF SULPHURIC ACID AND OLEUM. DETERMINATION OF TOTAL NITROGEN.
NF EN ISO 17947:2023 Céramiques techniques - Méthodes pour l'analyse chimique de poudres fines de nitrure de silicium
NF EN ISO 21814:2022 Céramiques techniques - Méthodes d'analyse chimique des poudres de nitrure d'aluminium
NF EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF ISO 8196-1:2009 Lait - Définition et évaluation de la précision globale des méthodes alternatives d'analyse du lait - Partie 1 : attributs analytiques des méthodes alternatives
NF V04-041-1*NF ISO 8196-1:2009 Milk - Definition and evaluation of the overall accuracy of alternative methods of milk analysis - Part 1 : analytical attributes of alternative methods
NF EN 12698-1:2008 Analyse chimique des produits réfractaires contenant du carbure de silicium lié au nitrure - Partie 1 : méthodes chimiques
NF EN 12698-2:2008 Analyse chimique des produits réfractaires contenant du carbure de silicium lié au nitrure - Partie 2 : méthodes de DRX
NF A06-340:1987 Chemical analysis of steel and cast iron. Determination of total silicium content. Gravimetric method.
NF A06-323:1987 Chemical analysis of steels. Determination of nitrogen content. Molecular absorption spectrophotometric method.
NF A06-654:2020 Chemical analysis of titnium and titanium alloys - Determination of nitrogen content - Titrimetric method
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.

AT-ON, Analysis method of total nitrogen

ONORM L 1091-1999 Chemical analysis of soils - Determination of inorganic nitrogen Nmin-method

TR-TSE, Analysis method of total nitrogen

TS 2428-1976 METHODS FOR THE CHEMICAL ANALYSIS OF IRON AND STEELS DETERMINATION OF NITROGEN CONTENT
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method
TS 602-1972 CHEMICAL ANALYSIS OF STEELS DETERMINATION OF TOTAL SILICON (GRAVIMETRIC METHOD)
TS 587-1968 METHODlS OF CHEMICAL, ANALYSIS OF MANGANBSE ORES DETE?BMINATION OF TOTAL ?RON CONTENT
TS 601-1972 CHEMICAL ANALYSIS OF STEELS DETERMINATION OP TOTAL CABBON (GRAVIMETKIC METHOD APTER COMBUSTION ?N A STREAM OP OXYGEN)
TS 2978-1978 Method For The Chemical Analysis Of Glass Sand, Determination Of Total R?03 Content
TS 426-1966 METHODS OF CHEMICAL ANALYSIS OF MANGANESE ORES DETERMINATION OF TOTAL MANGANESE CONTENT

Professional Standard - Aviation, Analysis method of total nitrogen

HB 5218.14-1995 Aluminum Alloy Chemical Analysis Method Tribromoarsine Spectrophotometric Determination of Total Rare Earth in Cerium Group
HB/Z 5218.14-2004 Methods for chemical analysis of aluminium alloys-Part 14:Determination of the cerium subgroup of rare earth elements content by tribromoarsenazo spectrophtometric method
HB 5220.39-1995 Chemical Analysis Method of Superalloys PMBP Direct Extraction-ArsenazoⅢ Absorbance Spectrophotometry Determination of Total Rare Earth
HB 5220.39-2008 Methods for chemical analysis of superalloys. Part 39: Determination of total rare earth content by PMBP direct extraction-arsenazo Ⅲ photometric method
HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation
HB 5297.17-2001 Chemical Analysis Method of Titanium Alloy AzoarsenicⅢ Spectrophotometric Determination of Zirconium Content
HB 5219.19-1998 Determination of Cerium Content by Spectrophotometric Method of Tribromoarsine in Magnesium Alloy
HB 5297.20-2001 Chlorophosphine azo Ⅲ Spectrophotometric Method for Chemical Analysis of Titanium Alloy Determination of Cerium Content
HB 5422.23-1989 Determination of zirconium content by arsenazoⅢ absorptiophotometric method for chemical analysis of copper alloy
HB 5297.1-1984 General rules and general provisions of chemical analysis methods for titanium alloys
HB 5297.24-2001 Determination of Oxygen and Nitrogen Content by Pulse Heating Infrared Thermal Conductivity Method for Chemical Analysis of Titanium Alloy
HB 5220.42-1995 Determination of Cerium Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5220.43-1995 Determination of Lanthanum Content by DBC-Arsenazo Absorption Spectrophotometry Method for Chemical Analysis of Superalloys
HB 5421-1989 General principles and general provisions of chemical analysis methods for metallic materials

German Institute for Standardization, Analysis method of total nitrogen

DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009
DIN ISO 13878:1998 Soil quality - Determination of total nitrogen content by dry combustion ("elemental analysis") (ISO 13878:1998)
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN EN 12698-2:2007-06 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods; German version EN 12698-2:2007
DIN 51732:2014-07 Testing of solid mineral fuels - Determination of total carbon, hydrogen and nitrogen - Instrumental methods
DIN EN 12698-1:2007-06 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods; German version EN 12698-1:2007
DIN EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

BE-NBN, Analysis method of total nitrogen

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate

RO-ASRO, Analysis method of total nitrogen

STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
STAS SR 13300-5-1994 `Starches. Methods of analysis. Total ash determination
SR 2567-1-1997 Soft drinks - Methods of analysis - Determination of total acidity (Uzual method )
SR ISO 4297:1994 Manganese ores and concentrates - Methods of chemical analysis-General instructions
STAS 7742/1-1975 ZINC ALLOYS General directions for carrying out the chemical analysis

Professional Standard - Agriculture, Analysis method of total nitrogen

GB 10220-1988 General Introduction to Sensory Analysis Methods
水产品质量安全检验手册 1.2.3.1-2005 Chapter 1 General Introduction Section 2 Analytical Methods for Aquatic Products Inspection 3. Chemical Analysis (1) Qualitative Analysis
水产品质量安全检验手册 1.2.3.2-2005 Chapter 1 General introduction Section 2 Analysis method of aquatic product inspection 3. Chemical analysis method (2) Quantitative analysis
水产品质量安全检验手册 1.2.4.6-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis method (6) Chromatographic method
水产品质量安全检验手册 1.2.4.3-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis method (3) Fluorescence analysis method
水产品质量安全检验手册 1.2.4.5-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis method (5) Potential analysis method
水产品质量安全检验手册 1.2.4.7-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physical and chemical analysis methods (7) Gas chromatography
水产品质量安全检验手册 1.2.4.1-2005 Chapter 1 General introduction Section 2 Analytical methods for aquatic product inspection 4. Physicochemical analysis methods (1) Colorimetric and spectrophotometric methods

Professional Standard - Building Materials, Analysis method of total nitrogen

JC/T 2342-2015 Method for the quantitative phase analysis of silicon nitride

未注明发布机构, Analysis method of total nitrogen

BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 1016-1:1973(1999) Methods for The analysis and testing of coal and coke — Part 1 : Total moisture of coal
BS 684-2.8:1977(2009) Methods of analysis of Fats and fatty oils — Part 2 : Other methods — Section 2.8 : Determination of total neutral oil
BS 684-2.15:1986(2009) Methods of analysis of Fats and fatty oils — Part 2 : Other methods — Section 2.15 Calculation of total saponifiable matter
BS 7319-10:1990(1999) Analysis of sodium chloride for industrial use — Part 10 : Method for determination of pH and total alkalinity
BS 684-2.4:1976(2009) Methods of analysis of Fats and fatty oils — Part 2 : Other methods — Section 2.4 : Calculation of total fatty matter

Hebei Provincial Standard of the People's Republic of China, Analysis method of total nitrogen

DB13/T 1224-2010 Determination method of total nitrogen in organic chemical products

CZ-CSN, Analysis method of total nitrogen

CSN 65 4836-1983 Minerál fertilizers Methode for determination of total nitrogen content
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 42 0648 Cast.5-1986 Chemical analysis of metallic chromium. Determination of nitrogen by the titration and by the method with automatic analyzers
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 42 1112-1986 Metallic and nitrided manganese. Methods of taking and preparing samples for chemical and physical-chemical analysis
CSN 72 0120 Z1-1997
CSN 72 0112 Cast.3 Z1-1997
CSN 46 3205-1987 Fresh fruits. Table grapes. Metod of analytical determination of total sugar content
CSN 65 1025 Cast.10-1989 Sulphuric acid for industrial use. pectrophotometric method for the etermination of total nitrogen xides

Professional Standard - Non-ferrous Metal, Analysis method of total nitrogen

YS/T 575.14-2006 Chemical analysis method of bauxite ore-tribromoarsine spectrophotometric determination of total rare earth oxides
YS/T 575.14-2007 Methods for chemical analysis of bauxite.Part 14:Determination the total content of rare earth oxide.Tribromo-arsenazo photometric method
YS/T 422.2-2000 Methods for chemical analysis of chromium carbide.Determination of total carbon content
YS/T 74.7-1994 Cadmium Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 536.2-2006 Bismuth Chemical Analysis Method 1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 74.7-2010 Mehtods for chemical analysis of cadmium- Part 7:Determination of iron content- 1,10-Phenanthroline spectrophotometry
YS/T 372.18-2006 Methods for elementary analysis of precious alloy. Determination of gadolinium content. Chlorophosphonazo Ⅲ spectrophotometry
YS/T 372.19-2006 Methods for elementary analysis of precious alloy. Determination of yttrium content.Chlorophosphonazo Ⅲ spectrophotometry
YS/T 535.4-2006 Sodium fluoride chemical analysis method o-phenanthrene spectrophotometric determination of iron content
YS/T 555.12-2006 Method for chemical analysis of molybdenum concentrate - Determination of total oil and water content
YS/T 555.11-2009 Methods for chemical analysis of molybdenum concentrate.Determination of oil and moisture content.Gravimetry
YS/T 424.2-2000 Methods for chemical analysis of titanium diboride powder.Determination of total boron content
YS/T 535.4-2009 Chemical analysis methods of sodium fluoride.Part 4:Determination of iron content.1,10-phenanthroline spectrophotometric method
YS/T 423.1-2000 Methods for chemical analysis of nuclear-grade boron carbide powder.Determination of total boron content
YS/T 423.2-2000 Methods for chemical analysis of nuclear-grade boron carbide powder.Determination of total carbon content
YS/T 520.4-2006 Gallium Chemical Analysis Method 4,7-Diphenyl-1,10-Phenanthroline Spectrophotometric Determination of Iron Content
YS/T 239.6-2010 Methods for chemical analysis of antimony trisulfide- Part 6:Determination of iron content-Neighbouring phenanthroline spectrophotometric method
YS/T 587.15-2023 Calcined coke for prebaked blocks— Part 15: Determination of total carbon,hydrogen and nitrogen contents
YS/T 520.4-2007 Chemical analysis of gallium.Part 4: Determination of iron content.The 4,7-diphenyl-1,10-phenanthroline spectrophotometric method
YS/T 520.2-2006 Gallium Chemical Analysis Method 4-(2-Pyridylazo)-Resorcinol Spectrophotometric Determination of Lead Content
YS/T 904.1-2013 Methods for chemical analysis of iron-chromium-aluminum fiber.Part 1:Determination of nitrogen content.Inert gas fusion thermal conductivity method
YS/T 520.2-2007 Chemical analysis of gallium.Part 2: Determination of lead content.The 4-(2-pyridy lazo)-resorcinol spectrophotometric method
YS/T 746.16-2010 Methods for chemical analysis of lead-free tin-based solders- Part 16: Determination of total rare earth content- Arserazo Ⅲ spectrophotometry

Danish Standards Foundation, Analysis method of total nitrogen

DS/EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 12698-2:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods
DS/EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods

Lithuanian Standards Office , Analysis method of total nitrogen

LST EN 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
LST EN 12698-2-2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 2: XRD methods
LST EN 12698-1-2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods
LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)

International Organization for Standardization (ISO), Analysis method of total nitrogen

ISO 6658:2005 Sensory analysis - Methodology - General guidance
ISO 6658:2017 Sensory analysis - Methodology - General guidance
ISO 6658:1985 Sensory analysis; Methodology; General guidance
ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO/R 313:1963 Methods of chemical analysis of manganese ores — Determination of total iron content
ISO/R 319:1963 Methods of chemical analysis of manganese ores — Determination of total manganese content
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 8196-1:2009 | IDF 128-1:2009 Milk — Definition and evaluation of the overall accuracy of alternative methods of milk analysis — Part 1: Analytical attributes of alternative methods
ISO/DIS 21068-4 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 4: XRD methods
ISO 13602-1:2002 Technical energy systems - Method for analysis - Part 1: General
ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 8196-3:2009 Milk - Definition and evaluation of the overall accuracy of alternative methods of milk analysis - Part 3: Protocol for the evaluation and validation of alternative quantitative methods of milk analysis
ISO 8196-3:2009|IDF 128-3:2009 Definition and evaluation of the overall accuracy of methods for quantification of variation in milk analysis Part 3: Methods for the evaluation and validation of methods for quantification of variation in milk analysis
ISO/DIS 21068-2 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

工业和信息化部, Analysis method of total nitrogen

YS/T 1179.3-2017 Methods for chemical analysis of aluminum slag Part 3: Determination of carbon and nitrogen content Elemental analyzer method
YS/T 1467.10-2021 Hafnium Chemical Analysis Methods Part 10: Determination of Oxygen and Nitrogen Amounts
YS/T 540.4-2018 Methods for chemical analysis of vanadium Part 4: Determination of iron content 1,10-phenanthroline spectrophotometric method
YS/T 1161.3-2016 Methods for analysis of pseudoboehmite Part 3: Determination of pore volume and specific surface area Nitrogen adsorption method

Xinjiang Provincial Standard of the People's Republic of China, Analysis method of total nitrogen

DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil
DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil
DB65/T 602.11-2001 Analysis method of water soluble salts of soil

Group Standards of the People's Republic of China, Analysis method of total nitrogen

T/GRM 049-2022 Determination of Mercury in Crude Oil
T/GRM 046-2022 Determination of Mercury in Gas Field Water
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/ZSA 96.5-2021 Test methods for dialyzer — Part 5: Performance parameters of total solute removal
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/SPSTS 013-2019 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method
T/CSTM 00340-2020 Determination of the carbon, hydrogen, oxygen, nitrogen, and sulfur content of graphene powder materials— Elemental analyzer method

YU-JUS, Analysis method of total nitrogen

JUS B.H8.320-1988 Methods of analysis of coal and coke. Determination of nitrogen ccmtent - Makro Kjeldahl nethod
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS C.A1.052-1986 Methods for chemical analysis of iron and steel. Determination of total silicon. Gravimetric method
JUS B.H8.338-1986 Methnds of analysis of coal and coke. Coke - Determination of total moisture
JUS C.A1.381-1987 Methods ofchemical ana/ysis ofznic povvder. Complexometric determination of total zine content.
JUS B.H8.316-1984 Methods of analysis of coal nad coke. Determination of total sulphur. High temperature combustion method
JUS C.A1.049-1989 Methods for chemical analysis of iron and steel. Determination of total silicon content between 0,05 and 1,0 %. Spectrophotometric method

Standard Association of Australia （SAA）, Analysis method of total nitrogen

AS 1050.12:1983/Amdt 1:1984
AS 1050.12:1983 Methods for the analysis of iron and steel - Determination of nitrogen in steel (steam distillation titrimetric method)
AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
AS 3580.5.1:2023 Methods for sampling and analysis of ambient air, Method 5.1: Determination of oxides of nitrogen — Direct-reading instrumental method
AS 3580.5.1:2011
AS 3580.5.1:1993 Methods for sampling and analysis of ambient air - Determination of oxides of nitrogen - Chemiluminescence method

European Committee for Standardization (CEN), Analysis method of total nitrogen

PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 12698-1:2007 Chemical analysis of nitride bonded silicon carbide refractories - Part 1: Chemical methods

PH-BPS, Analysis method of total nitrogen

PTS 98-1970 Standardization of the Method of Test for the Determination of Total Nitrogen Content.Devarda Method

IT-UNI, Analysis method of total nitrogen

UNI 3712-1956
UNI 3665-1955 Procedures for chemical analysis of minerals. Determination of total alkali in iron ore. Gravimetric method, for standard analyses.
UNI 2963-1949 Procedures for chemical analysis of metallic materials. Determination of total silicon content of ferrosilicon.
UNI 3711-1956
UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.

Professional Standard - Hygiene , Analysis method of total nitrogen

WS/T 409-2013 Estimation of total analytical error for clinical laboratory methods

KR-KS, Analysis method of total nitrogen

KS M ISO 684-2003(2023) Analysis of soaps－Determination of total free alkari
KS H ISO 8196-1-2021 Milk — Definition and evaluation of the overall accuracy of indirect methods of milk analysis —Part 1: Analytical attributes of indirect methods
KS H 1207-2022 Methods of analysis for sugars

PT-IPQ, Analysis method of total nitrogen

NP 1612-2002 Meat and meat products Determination of nitrogen content Reference method

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, Analysis method of total nitrogen

GB/T 19143-2017 Analytical method of element for carbon,hydrogen ,oxygen and nitrogen in rock organics
GB/T 15076.13-2017 Methods for chemical analysis of tantalum and niobium—Part 13: Determination of nitrogen content—Inert gas fusion thermal conductivity method
GB/T 14265-2017 General rule of chemical analysis for hydrogen,oxygen,nitrogen,carbon and sulfur in metallic materials
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 16555-2017 Chemical analysis of refractories containing carbon and silicon carbide or nitride

Professional Standard - Education, Analysis method of total nitrogen

JY/T 0589.1-2020 General principles of thermal analysis methods Part 1: General principles

Professional Standard - Nuclear Industry, Analysis method of total nitrogen

EJ 194.2-1982 Environmental samples.Method for analyzing total trace of mercury in water
EJ 194.1-1982 Environmental samples.Method for analyzing fluoride content in soil
EJ 194.4-1982 Environmental samples.Method for analyzing total trace of mercury in soil
EJ 267.1-1984 General principles and general provisions of analytical methods for uranium in uranium ores
EJ 194.3-1982 Environmental samples.Method for analyzing total trace of mercury in biological samples

Professional Standard - Electron, Analysis method of total nitrogen

SJ/T 10893-1996 General rules for chemical analysis of electronic glass

IN-BIS, Analysis method of total nitrogen

Professional Standard - Environmental Protection, Analysis method of total nitrogen

HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry

Military Standard of the People's Republic of China-Commission of Science,Technology and Industry for National Defence, Analysis method of total nitrogen

GJB 5381.11-2005 Methods of chemical analysis for pyrotech. Part 11: Determination of barium nitrate content. Azotometry method
GJB 5381.1-2005 Methods of chemical analysis for pyrotech Part 1:General rules

Professional Standard - Ferrous Metallurgy, Analysis method of total nitrogen

YB/T 174.1-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of silicon nitride content.High pressure dissolve specimen method
YB/T 174.4-2000 Chemical analysis for silicon nitride bonded silicon carbide product.Determination of iron oxide content.o-Phenanthroline photometric method
YB/T 5330-2006 Vanadium pentoxide chemical analysis method o-phenanthroline spectrophotometric method for determination of iron content

Jilin Provincial Standard of the People's Republic of China, Analysis method of total nitrogen

DB22/T 2270-2018 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis
DB22/T 2270-2015 Determination of Ammonium Nitrogen and Nitrate Nitrogen in Farmland Soil by Flow Injection Analysis

Association of German Mechanical Engineers, Analysis method of total nitrogen

VDI 2456-2004 Stationary source emissions - Reference method for determination of the sum of nitrogen monoxide and nitrogen dioxide - Ion chromatography method

中华人民共和国环境保护部, Analysis method of total nitrogen

GB 13580.1-1992 General principles for analytical methods of the wet precipitation

Natural Gas Processor's Association (NGPA), Analysis method of total nitrogen

GPA STD 2103-2003 Tentative Method for the Analysis of Natural Gas Condensate Mixtures Containing Nitrogen and Carbon Dioxide by Gas Chromatography

Professional Standard - Geology, Analysis method of total nitrogen

DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry
DZ/T 0064.76-2021 Methods of Analytical Groundwater Quality Part 76: Determination of Gross Alpha and Gross Beta Radioactivity Radiochemical Method
DZ/T 0064.9-2021 Methods of Analysis of Groundwater Quality Part 9: Gravimetric Method for Determination of Total Dissolved Solids

Hunan Provincial Standard of the People's Republic of China, Analysis method of total nitrogen

DB43/T 2139-2021 Determination of Nitrogen and Phosphorus in Plants by Continuous Flow Analysis

Professional Standard-Ships, Analysis method of total nitrogen

CB/T 3905.1-1999 General Rules for Chemical Analysis Methods of Tin-based Bearing Alloys
CB/T 3905.1-2005 Method for chemical analysis of tin-base bearing alloy - Part 1: General provisions

Professional Standard - Railway, Analysis method of total nitrogen

TB/T 2059.4-2006 Methods for analysis of diesel locomotive collants Part 4: Determination of benzotriazole
TB/T 2059.5-1989 Analytical method for cooling water additives of railway diesel locomotive Determination of benzotriazole

Professional Standard - Electricity, Analysis method of total nitrogen

DL/T 1358-2014 Analytical methods of steam and water in power plants determination of total organic carbon
DL/T 502.1-2006 Analytical methods of steam and water in power plants.Part 1: General rule
DL/T 502.6-2006 Analytical methods of steam and water in power plants Part 6: Determination of total carbonate

Professional Standard - Rare Earth, Analysis method of total nitrogen

XB/T 601.7-1993 Lanthanum hexaboride chemical analysis method 1,10-phenanthrene-phenanthrene spectrophotometric determination of iron content
XB/T 621.1-2016 Chemical analysis methods for holmium ferroalloy.Part 1:Determination of rare earth total cotent.Gravimetry
XB/T 616.1-2012 Chemical analysis methods of gadolinium ferroalloy.Part 1:Determination of total rare earth content.Gravimetry
XB/T 614.1-2011 Chemical analysis method of gadolinium-magnesium alloy.Part 1:Determination of total rare earth content.Gravimetry

International Dairy Federation (IDF), Analysis method of total nitrogen

IDF 128-1-2009 Milk - Definition and evaluation of the overall accuracy of alternative methods of milk analysis - Part 1: Analytical attributes of alternative methods

国家质量监督检验检疫总局, Analysis method of total nitrogen

SN/T 4764-2017 Elemental analyzer method for determination of carbon, hydrogen, nitrogen and sulfur content in coal

Professional Standard - Urban Construction, Analysis method of total nitrogen

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation

Jiangxi Provincial Standard of the People's Republic of China, Analysis method of total nitrogen

DB36/T 814.1-2014 Methods for chemical analysis of holmium-iron alloys - part 1: gravimetric method for the determination of the total amount of rare earths

Professional Standard - Aerospace, Analysis method of total nitrogen

QJ 2670.1-1994 General Rules for Error Analysis and Accuracy Evaluation of Telemetry Parameters