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Determination method of ammonia nitrogen in water

Determination method of ammonia nitrogen in water, Total:499 items.

In the international standard classification, Determination method of ammonia nitrogen in water involves: Water quality, Vocabularies, Fertilizers, Animal feeding stuffs, Beverages, Sugar. Sugar products. Starch, Organic chemicals, Medical sciences and health care facilities in general, Non-ferrous metals, Analytical chemistry, Coals, Spices and condiments. Food additives, Meat, meat products and other animal produce, Test conditions and procedures in general, Products of the chemical industry, Ferrous metals, Leather technology, Air quality, Soil quality. Pedology, Inorganic chemicals, Farming and forestry, Construction materials, Paint ingredients, Milk and milk products, Photography, Wastes, Crude petroleum, Petroleum products in general, Fuels, Ferroalloys, Materials for aerospace construction, General methods of tests and analysis for food products, Products of the textile industry, Cellular materials, Tobacco, tobacco products and related equipment, External water conveyance systems, Environmental protection, Burners. Boilers, Textile fibres, Laboratory medicine, Lubricants, industrial oils and related products, Plastics, Food products in general, Geology. Meteorology. Hydrology, Galvanic cells and batteries, Environmental testing, Iron and steel products, Explosion protection.

American Society for Testing and Materials (ASTM), Determination method of ammonia nitrogen in water

ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
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 C1494-01(2007) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
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 D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-17 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D1385-07 Standard Test Method for Hydrazine in Water
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D6979-18 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D3228-22 Standard Test Method for Total Nitrogen in Lubricating Oils and Fuel Oils by Modified Kjeldahl Method
ASTM D6016-17(2023) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6979-03 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D6979-08 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D4663-20 Standard Test Method for Polyurethane Raw Materials: Determination of Hydrolyzable Chlorine of Isocyanates
ASTM D4663-15 Standard Test Method for Polyurethane Raw Materials: Determination of Hydrolyzable Chlorine of Isocyanates
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 D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D4954-89(2003) Standard Test Method for Determination of Nitrilotriacetates in Detergents
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 D5315-04(2011) Standard Test Method for Determination of N-Methyl-Carbamoyloximes and N-Methylcarbamates in Water by Direct Aqueous Injection HPLC with Post-Column Derivatization
ASTM E147-61(2017) Standard Specification for Apparatus for Microdetermination of Nitrogen by Kjeldahl Method
ASTM D7129-05 Standard Test Method for Determination of Ammonia Trapping in a Grafted Battery Separator
ASTM D7129-09 Standard Test Method for Determination of Ammonia Trapping in a Grafted Battery Separator
ASTM D6979-13 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D5523-21 Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-94(1999)e1 Standard Test Method for Polyurethane Raw Materials Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-15 Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM E258-67(1996)e1 Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method

Professional Standard - Environmental Protection, Determination method of ammonia nitrogen in water

HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
HJ 665-2013 Water quality.Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry
HJ 666-2013 Water quality.Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ 101-2019 Ammonia nitrogen water quality online automatic monitor technical requirements and detection methods
HJ 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ/T 64.3-2001 stationary source emission.Determination of cadmium.p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide

VN-TCVN, Determination method of ammonia nitrogen in water

TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content
TCVN 7872-2008 water.Determination of ammonia content.Ammonia selective electrode method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 2615-2008 Liquefied anhydrous ammonia for industrial use.Determination of ammonia content.Titrimetric method
TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 5255-2009 Soil quality.Method for the determination of bio-available nitrogen

RU-GOST R, Determination method of ammonia nitrogen in water

GOST 30181.6-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in ammonium salts (in ammonium form, using the formaldehyde method)
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
GOST R 55479-2013 Meat and meat products. Method for determination of amino-ammonia nitrogen
GOST 30181.7-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, using hypochlorite method)
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 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene
GOST 27753.8-1988 Greenhouse grounds method for determination of ammonium nitrogen
GOST 4192-1982 Drinking water. Methods for determination of mineral nitrogen-containing matters
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 13020.7-1985 Metallic chrome. Methods for determination of nitrogen
GOST 9853.1-1979 Sponge titanium. Method for the determination of nitrogen
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
GOST 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen
GOST 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
GOST R 54947-2012 Honey. Method for determination of proline content
GOST 10671.4-2016 Reagents. Methods for determination of total nitrogen impurity
GOST 24596.3-2015 Feed phosphates. Method for determination of nitrogen
GOST R ISO 24362-3-2016 Textiles. Methods for determination of certain aromatic amines from azo colorants. Part 3. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
GOST 32939-2014 Milk and milk products. Method for determination of ammonia
GOST 20851.1-1975 Mineral fertilizers. Methods for determination of nitrogen content

BE-NBN, Determination method of ammonia nitrogen in water

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 94-301-1976 Determination of nitrogen dioxyde contents of ambient air -Griess-Saltzman method
NBN T 94-302-1976 Determination of nitrogen oxydes and of nitrogen monoxyde contents of ambient air - Griess-Saltzman method
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid

Group Standards of the People's Republic of China, Determination method of ammonia nitrogen in water

T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/CCAS 008-2019 Analytical methods of the ammonia in fly ash for cement and concrete
T/NAIA 044-2021 Urine Total Nitrogen Determination in Livestock Kjeldahl Method
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/NAIA 060-2021 Determination of true protein in feed Kjeldahl method

Professional Standard - Urban Construction, Determination method of ammonia nitrogen in water

CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
CJ/T 3018.6-1993 Leachate.Determination of ammoniacal nitrogen.Distillation and titration method
CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ/T 77-1999 Municipal sewage.Determination of total nitrogen.Distillation and titration method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

Danish Standards Foundation, Determination method of ammonia nitrogen in water

DS 224:1975 Water analysis. Determination of ammonia-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/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DS/EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
DS/EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
DS/EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
DS/EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
DS/EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene
DS/EN 25663:1994 Water quality-Determination of Kjeldahl nitrogen-Method after mineralization with selenium
DS/ISO 5663:1994 Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium
DS/EN 14362-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

PH-BPS, Determination method of ammonia nitrogen in water

PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen

German Institute for Standardization, Determination method of ammonia nitrogen in water

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 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 CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
DIN 38406-5:1983-10 German standard methods for the examination of water, waste water and sludge; cations (group E); determination of ammonia-nitrogen (E 5)
DIN EN 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
DIN EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; English version of DIN EN 15604:2009-06
DIN EN 15561:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021
DIN EN 15561:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German and English version prEN 15561:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15561 (2009-06).
DIN EN 15561:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2009 / Note: To be replaced by DIN EN 15561 (2021-12).
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
DIN EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
DIN EN 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
DIN EN 13717:2003-03 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration; German version EN 13717:2002
DIN EN 15560:2009-06 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2009 / Note: To be replaced by DIN EN 15560 (2021-12).
DIN EN 25663:1993-11 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN ISO 17234-2:2011-06 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011); German version EN ISO 17234-2:2011
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN EN 15560:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2023
DIN EN 25663:1993 Water quality; determination of Kjeldahl nitrogen; method after mineralization with selenium (ISO 5663:1984); German version EN 25663:1993
DIN EN 15561:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version EN 15561:2023
DIN EN 15560:2021-12 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021 / Note: Date of issue 2021-11-05*Intended as replacement for DIN EN 15560 (2009-06).
DIN EN ISO 14362-3:2017-05 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene (ISO 14362-3:2017); German version EN ISO 14362-3:2017

RO-ASRO, Determination method of ammonia nitrogen in water

STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen
SR ISO 5314:1981 Fertilizers. Determination of ammoniaca! nitrogen content Titrimetric method after distillation
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method

Professional Standard - Agriculture, Determination method of ammonia nitrogen in water

SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
GB/T 14965-1994 Method for Determination of Amino Acids in Food
水产品质量安全检验手册 2.11.2.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) II. Colorimetry
水产品质量安全检验手册 2.11.1.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) 1. Formaldehyde value method
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
GB/T 13112-1991 Determination method of sodium cyclamate in food
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
NY 146.13-1988 Juice Determination Method Determination of Proline
GB/T 5009.3-1985 Method for Determination of Moisture in Food
GB 8570.5-1988 Determination of Moisture in Liquid Anhydrous Ammonia Karl Fischer Method
NY/T 1618-2008 Determination of amino acids in velvet antler by amino acid analyzer

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination method of ammonia nitrogen in water

GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB 12143.2-12143.3-89 Determination method for amino nitrogen content in fruit and vegetable juice beverages-Formol number Determination method for L-ascorbic acid in fruit and vegetable juice beverages-Ethyl ether extract
GB/T 19227-2008 Determination of nitrogen in coal
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products
GB/T 8570.2-2010 Determination of liquefied anhydrous ammonia.Part 2:Estimating of ammonia content
GB/T 30728-2014 Determination of nitrogen in solid biofuels
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 33392-2016 Leather and fur.Chemical tests.Determination of 4-aminoazobenzene derived from azo colorants
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 13598-1992 A method for the determination of agricultural chemical residues containing nitrogenous in tobacco leaves
GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 6906-1986 Methods for analysis of water for boiler and for cooling--The determination of hydrazine
GB/T 6906-2006 Methods for analysis of water for boiler and for cooling The determination of hydrazine
GB 6906-1986 Analytical methods for boiler water and cooling water - Determination of hydrazine
GB/T 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification method
GB/T 12146-1989 Analysis of water used in boiler and cooling system--Determination of ammonia--Phenol method
GB/T 12146-2005 Analysis of water used in boil and cooling system Determination of ammonia-Phenol method
GB/T 12492-1990 Determination of cystine content of wool hydrolysates by colorimetry
GB/T 5687.4-2016 Nitrogen-bearing ferrochromium and nitride ferrochrome with high nitrogen content.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 22974-2008 Determination of isometamidium residues in milk and milk powder.LC-MS-MS method
GB/T 30733-2014 Determination of total carbon, hydrogen and nitrogen content in coal.Instrumental 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 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB 13112-1991 Determination method of sodium cyclamate in food
GB/T 15400-1994 Determination of tryptophan in feedstuffs--Spectrophotometry
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 8570.5-2010 Determination of liquefied anhydrous ammonia.Part 5:Water content.Karl Fishcer method
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 211-1996 Determination of total moisture in coal
GB/T 14769-1993 Method for determination of moisture in foods
GB/T 211-2007 Determination of total moisture in coal
GB/T 211-2017 Determination of total moisture in coal
GB/T 8570.5-1988 Liquefied anhydrous ammonia--Determination of water content--Karl Fischer method
GB 14877-1994 Method for determination of carbamate pesticide residues in foods
GB/T 16031-1995 Workplace air--Determination of ammonia--Messler's reagent spectrophotometric method

Professional Standard - Light Industry, Determination method of ammonia nitrogen in water

QB/T 5015-2016 The determination of α-amino nitrogen in sugar beet
QB/T 2186-1995 Determination of Liquid Nitrogen in Hydrolyzed Protein by Ammonia Gas Sensitive Electrode

Association Francaise de Normalisation, Determination method of ammonia nitrogen in water

NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
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 U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
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 EN ISO 14362-3:2017 Textiles - Méthodes de détermination de certaines amines aromatiques dérivées de colorants azoïques - Partie 3 : détection de l'utilisation de certains colorants azoïques susceptibles de libérer du 4-aminoazobenzène
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF U42-125:1985 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method.
NF EN 15604:2009 Engrais - Détermination des différentes formes d'azote dans un même échantillon contenant l'azote sous forme nitrique, ammoniacale, uréique et cyanamidique
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
NF EN ISO 17234-2:2011 Cuir - Essais chimiques pour le dosage de certains colorants azoïques dans les cuirs teints - Partie 2 : dosage du 4-aminoazobenzène
NF G08-014-3:2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3 : detection of the use of certain azo colorants, which may release 4-aminoazobenzene.
NF T20-297:1971 Chemical analysis of sulphuric acid and oleum. Determination of ammoniacal nitrogen. Spectrophotometric method.
NF EN 25663:1994 Qualité de l'eau - Dosage de l'azote Kjeldahl - Méthode après minéralisation au sélénium
NF G08-014-3*NF EN ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3 : detection of the use of certain azo colorants, which may release 4-aminoazobenzene

Lithuanian Standards Office , Determination method of ammonia nitrogen in water

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 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
LST EN 15560-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
LST EN 15561-2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
LST EN 12135-2001 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
LST EN 13717-2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
LST EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)
LST EN 14362-3-2012 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

AENOR, Determination method of ammonia nitrogen in water

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-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
UNE-EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
UNE-EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
UNE-EN 13717:2003 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration.
UNE-EN 25663:1994 WATER QUALITY. DETERMINATION OF KJELDAHL NITROGEN. METHOD AFTER MINERALIZATION WITH SELENIUM. (ISO 5663:1984).
UNE-EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)

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, Determination method of ammonia nitrogen in water

GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 34003-2017 Detection method of impurity elements in boron nitride

GOSTR, Determination method of ammonia nitrogen in water

GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
GOST 9853.1-1996 Sponge titanium. Method for determination of nitrogen
GOST R 58596-2019 Soils. Methods for determination of total nitrogen

British Standards Institution (BSI), Determination method of ammonia nitrogen in water

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 DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DD CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS DD CEN/TS 15750:2009 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
DD CEN/TS 15560:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
21/30442087 DC BS EN 15560. Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS ISO 6851:2001 Photography. Processing waste. Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS ISO 6853:2001 Photography. Processing waste. Determination of ammoniacal nitrogen (microdiffusion method)
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 25663:1993 Water quality. Determination of Kjeldahl nitrogen. Method after mineralization with selenium
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS 4651-2:1987 Ammonia solution. Method for determination of ammonia content
BS ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
BS EN ISO 14362-3:2017 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
BS EN 14362-3:2012 Textiles. Methods for determination of certain aromatic amines derived from azo colorants. Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)
BS 7755-3.7:1995 Soil quality. Chemical methods. Determination of total nitrogen. Modified Kjeldahl method
BS 5551 SubSec.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 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation

European Committee for Standardization (CEN), Determination method of ammonia nitrogen in water

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 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
EN 15561:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 13717:2002 Surface active agents - Determination of primary, secondary and tertiary amino nitrogen - Potentiometric titration
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

Japanese Industrial Standards Committee (JISC), Determination method of ammonia nitrogen in water

JIS H 1685:2000 Method for determination of nitrogen in tantalum
JIS H 1685:1976 Methods for determination of nitrogen in tantalum
JIS G 1228:1997 Iron and steel -- Methods for determination of nitrogen content
JIS K 0099:1983 Methods for determination of ammonia in exhaust gas
JIS K 0099:1998 Methods for determination of ammonia in flue gas
JIS H 1653:1991 Methods for determination of nitrogen in zirconium and zirconium alloys
JIS H 1612:1993 Methods for determination of nitrogen in titanium and titanium alloys
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 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0099:2004 Methods for determination of ammonia in flue gas
JIS K 2609:1990 Crude petroleum and petroleum products -- Determination of nitrogen content
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0099 ERRATUM 1:2000 Methods for determination of ammonia in flue gas (Erratum 1)
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS L 1940-3:2014 Textiles.Methods for determination of certain aromatic amines derived from azo colorants.Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS L 1940-3:2019 Textiles -- Methods for determination of certain aromatic amines derived from azo colorants -- Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
JIS G 1228-1:2022 Iron and steel -- Determination of nitrogen -- Part 1: Amidosulfuric acid titrimetric method after ammonium distillation separation
JIS K 0555:1995 Testing methods for determination of silica in highly purified water

Korean Agency for Technology and Standards (KATS), Determination method of ammonia nitrogen in water

KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS D 1811-1993 Methods for determination of nitrogen in iron and steel
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS D 2555-2005 Methods for determination of nitrogen in tantalum
KS D 2530-2007 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2530-2016 Methods for determination of nitrogen in titanium and titanium alloys
KS D 2573-1995 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2573-2015 Methods for determination of nitrogen in zirconium and zirconium alloys
KS D 2530-2021 Methods for determination of nitrogen in titanium and titanium alloys
KS M ISO 5314:2007 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
KS M ISO 5314:2013 Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 5314-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 6851-2002(2017) Photography－Processing waste－Determination of total amino nitrogen－Microdiffusion Kjeldahl method
KS E ISO 333-2003(2013) Coal－Determination of nitrogen－Semi-micro Kjeldahl method
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS M ISO 7108:2002 Ammonia solution for industrial use－Determination of ammonia content－Titrimetric method
KS M ISO 7108:2017 Ammonia solution for industrial use — Determination of ammonia content — Titrimetric method
KS K ISO 2913:2009 Wool－Colorimetric determination of cystine plus cysteine in hydrolysates
KS K ISO 2913:2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
KS D 2555-2020 Determination of nitrogen in tantalum
KS D 1811-2003(2018) Methods for determination of nitrogen in iron and steel
KS M ISO 3332:2012 Ammonium sulphate for industrial use－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS M ISO 3332-2017(2022) Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M ISO 3332:2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS M 2112-2011 Crude petroleum and petroleum products-Determination of nitrogen content
KS M ISO 17234-2:2019 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS M ISO 17234-2:2014 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS I ISO 5663-2007(2017) Water quality－Determination of Kjeldahl nitrogen－Method after mineralization with selenuium
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
KS K 0739-2017 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K 0739-2014 Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
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 M ISO 7408-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide－Titrimetric method
KS M ISO 5397-2002(2017) Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS K ISO 14362-3:2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS D 0274-1993 Method of measuring nitrided case depth for iron and stee1
KS D 2573-2015(2020) Methods for determination of nitrogen in zirconium and zirconium alloys
KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection

CZ-CSN, Determination method of ammonia nitrogen in water

CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 65 4835-1983 Minerál fertilizers. Determination of ammoniacal nitrogen content by distillating method
CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of nitrogen
CSN ISO 7408:1993 Fertizers - Determination of ammoniacal nitogen content in the presence of other substances which release ammonia when treated with sodium hydroxide - Titrimetric method
CSN 66 8102 Cast.17-1997
CSN 83 5711-1983 Determination of ammonia in ambient air. Indophenole method
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen

KR-KS, Determination method of ammonia nitrogen in water

KS D 1811-2003(2023) Methods for determination of nitrogen in iron and steel
KS K ISO 2913-2018(2023) Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
KS M ISO 3332-2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
KS K ISO 2913-2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
KS M ISO 17234-2-2019 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS K ISO 14362-3-2022 Textiles — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
KS K 0739-2017(2022) Textile — Methods for determination of certain aromatic amines derived from azo colorants — Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene

International Organization for Standardization (ISO), Determination method of ammonia nitrogen in water

ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 7408:1983 Fertilizers; Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide; Titrimetric method
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
ISO 7108:1985 Ammonia solution for industrial use; Determination of ammonia content; Titrimetric method
ISO 6853:2001 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 3332:1975 Ammonium sulphate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 17234-2:2011 | IULTCS/IUC 20-2 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
ISO 2913:1975 Wool; Colorimetric determination of cystine plus cysteine in hydrolysates
ISO 24362-3:2014 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
ISO 6853:1987 Photography; Processing waste; Determination of ammoniacal nitrogen content; Microdiffusion method
ISO 14362-3:2017 Textiles - Methods for determination of certain aromatic amines derived from azo colorants - Part 3: Detection of the use of certain azo colorants, which may release 4-aminoazobenzene
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

BR-ABNT, Determination method of ammonia nitrogen in water

未注明发布机构, Determination method of ammonia nitrogen in water

BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content
BS EN 1141:1995(2000) Method for Determination of proline content of fruit and vegetable juices : Spectrometric method

Hunan Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry
DB43/T 751-2013 Determination of Nitrogen in Graphite by Semi-Micro Kelvin Method

IN-BIS, Determination method of ammonia nitrogen in water

Professional Standard - Geology, Determination method of ammonia nitrogen in water

DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry

YU-JUS, Determination method of ammonia nitrogen in water

JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?

PT-IPQ, Determination method of ammonia nitrogen in water

E 211-1967
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method

CEN - European Committee for Standardization, Determination method of ammonia nitrogen in water

PD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
PD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
PD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample@ containing nitrogen as nitric@ ammoniacal@ urea and cyanamide nitrogen

Inner Mongolia Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage
DB15/T 2037-2020 Determination of tryptophan in feed by microwave hydrolysis-amino acid automatic analyzer method

Professional Standard - Chemical Industry, Determination method of ammonia nitrogen in water

HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water
HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water

Professional Standard - Commodity Inspection, Determination method of ammonia nitrogen in water

SN/T 4042-2014 Determination of azide in wines for export
SN/T 0858-2000 Method for the determination of tryptophan in pollen for import and export
SN/T 0930-2000 Method for the determination of total amino acid in pollen for import and export-Amino acid automatic analyzer method
SN/T 0850-2000 Method for the determination of proline in honey for import and export.Spectrophotometry
SN/T 1083.4-2012 Determination of total moisture in coke
SN/T 0464-2003 Quantitative analysis of polyurethane fiber of textile
SN/T 2422-2010 Determination of nitrogen in petroleum coke for import and export- Thermal conductivity method

Tianjin Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples
DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry

国家市场监督管理总局、中国国家标准化管理委员会, Determination method of ammonia nitrogen in water

GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products
GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method
GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
GB/T 40970-2021 Determination of ammonia in cosmetics—Titration method

中华人民共和国环境保护部, Determination method of ammonia nitrogen in water

GB 13580.11-1992 Determination of ammonium in the wet precipitation

FI-SFS, Determination method of ammonia nitrogen in water

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation

SE-SIS, Determination method of ammonia nitrogen in water

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method

Ningxia Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB64/T 1734-2020 Soil Hydrolyzable Nitrogen Determination Kjeldahl Method

Association of Official Analytical Chemists (AOAC), Determination method of ammonia nitrogen in water

AOAC 991.20 AOAC Official Method 991.20 Nitrogen (Total) in Milk Kjeldahl Methods

AT-ON, Determination method of ammonia nitrogen in water

ONORM M 6248-1988 Water quality; determlnation of Kjeldabl nitrogen; method ajter mineralization with selenium

CU-NC, Determination method of ammonia nitrogen in water

NC 93-01-120-1988 Standards System for Envirorment Protection. Hydrosphere. Determination of Ammo-nial and Organic Nitrogen
NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

Anhui Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB34/T 2135-2014 Determination method of carbon, hydrogen and nitrogen in coal thermal conductivity method
DB34/T 2004-2013 Determination method of lactic acid in yellow pulp water

工业和信息化部, Determination method of ammonia nitrogen in water

YB/T 4582.7-2017 Determination of total nitrogen content of ferrous silicon nitride by neutralization titration method
YB/T 4566.2-2016 Determination of nitrogen content of vanadium iron nitride, distillation and separation-acid-base neutralization titration method
HG/T 4963.2-2016 Determination of Hazardous Substances in Pigment Printing Paste Products Part 2: Determination of 4-Aminoazobenzene Gas Chromatography-Mass Spectrometry

国家质量监督检验检疫总局, Determination method of ammonia nitrogen in water

SN/T 4675.23-2016 Determination of ammonia nitrogen in exported wine and grape juice using continuous flow analyzer method
SN/T 4677-2016 Determination method of azocarboxamide in exported food by high performance liquid chromatography

PL-PKN, Determination method of ammonia nitrogen in water

PN Z04009-02-1991 Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method
PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
PN C04595 ArkusZ04-1974 Water and waste water Tests for lead Dctermination of lead by dithiocarbamate method
PN C04595-03-1990 Water and waste water Tests for lead Determination of lead by extractivetitrimetric method with sodium diethyldithicarbamate
PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air
PN C04596-02-1990 Water and waste water Tests for zinc Determination of zinc by zincon method

NL-NEN, Determination method of ammonia nitrogen in water

NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
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

Professional Standard - Coal, Determination method of ammonia nitrogen in water

MT/T 371-1994 Determination method of sulfur ion in coal mine water p-aminodimethylaniline colorimetric method
MT/T 890-2000 Determination of lithium in coal mine water
MT/T 891-2000 Determination of boron in coal mine water
MT/T 893-2000 Determination of bromine in coal mine water
MT/T 359-2005 Determination of arsenic in coal mine water
MT/T 359-1994 Determination method of arsenic in coal mine water
MT/T 806-1999 Determination of trace oil in groundwater from coal mines
MT/T 742.1-1997 Determination of total chrominum in mine water
MT/T 743.1-1997 Determination of total phosphorus in mine water
MT/T 742.1-2011 Determination of total chrominum in mine water
MT/T 743.1-2011 Determination of total phosphorus in mine water
MT/T 256-2000 Measuring method of pH value in coal mine water
MT 278-1994 Harmful gas existing in mine air Detection method of ammonia gas（detector tube method）
MT 279-1994 Harmful gas existing in mine air Detection method of nitrogen oxide（detector tube method）
MT/T 279-1994

Professional Standard - Aviation, Determination method of ammonia nitrogen in water

HB 5297.17-1984 Determination of Nitrogen in Titanium and Titanium Alloys by Steam Distillation

National Health Commission of the People's Republic of China, Determination method of ammonia nitrogen in water

GB 5009.235-2016 Determination of Amino Acid Nitrogen in Food Safety National Standard Food

Shanxi Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB14/T 1099-2015 Determination of Hydrolyzable Nitrogen in Soil Alkaline Hydrolysis Distillation Potentiometric Titration

Professional Standard - Ferrous Metallurgy, Determination method of ammonia nitrogen in water

YB/T 4530-2016 Nitrogen-bearing ferromanganese.Determination of nitrogen content.The distillation-neutralization titration method

Indonesia Standards, Determination method of ammonia nitrogen in water

SNI 4146-2013
SNI 06-6876-2002 Test methods of ammonia content in water by ion selective electrode
SNI 19-6964.3-2003 Seawater quality - Part 3: Test methods of ammonia solution (NH3-N) with indophenol blue by spectrophotometry

中华人民共和国国家卫生和计划生育委员会, Determination method of ammonia nitrogen in water

GB/T 18204.25-2000 Method for determination of ammonia in air of public places
WS/T 55-1996 Urine.Determination of 4-aminophenol.Spectrophotometric method

Guangdong Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB44/T 317-2006 Determination of the total volatile basic nitrogen in seafood

Professional Standard - Aquaculture, Determination method of ammonia nitrogen in water

SC/T 3032-2007 Determination of the total volatile basic nitrogen in fishery products

Standard Association of Australia （SAA）, Determination method of ammonia nitrogen in water

AS 1050.12:1983/Amdt 1:1984
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 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk

AR-IRAM, Determination method of ammonia nitrogen in water

HU-MSZT, Determination method of ammonia nitrogen in water

MSZ 21853/14-1981

Yunnan Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration

Fujian Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water
DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

TH-TISI, Determination method of ammonia nitrogen in water

TIS 1771-1999 Ammonium sulphate for industrial use.determination of ammoniacal nitrogen content.titrimetric method after distillation

Canadian Standards Association (CSA), Determination method of ammonia nitrogen in water

CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

TR-TSE, Determination method of ammonia nitrogen in water

TS 3244-1978 WOOL - COLORIMETRIC DETERMINATION OP CYSTINE PLUS CYTEINE IN HYDROLYSATES
TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Xinjiang Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

煤炭工业部, Determination method of ammonia nitrogen in water

MT/T 743-1997 Determination method of phosphorus in coal mine water
MT/T 742-1997 Determination method of chromium in coal mine water

Professional Standard - Hygiene , Determination method of ammonia nitrogen in water

WS/T 56-1996 Urine.Determination of p-aminophenol.High performance liquid chromatographic method
WS/T 23-1996 Urine.Determination ofδ-aminolevulinic acid.Spectrophotometric method

Shandong Provincial Standard of the People's Republic of China, Determination method of ammonia nitrogen in water

DB37/T 2094-2012 Determination of Hydroxyproline Content in Aquatic Products by High Performance Liquid Chromatography

Professional Standard - Ocean, Determination method of ammonia nitrogen in water

HY/T 263-2018 Determination of dissolved nitrous oxide in seawater—Headspace equilibrium gas chromatography method

海关总署, Determination method of ammonia nitrogen in water

SN/T 4675.32-2021 Method for determination of nitrogen stable isotope ratios in exported wines

International Federation of Trucks and Engines, Determination method of ammonia nitrogen in water

NAVISTAR CEMS DT-3-2001 Methods of Determining Glass and PTFE Fillers in Thermoplastic Urethane

Professional Standard - Electron, Determination method of ammonia nitrogen in water

SJ 2804.1-1987 Method for determination of Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part one)
SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)
SJ 3238-1989 Method for determination of trace Nitrogen in electronic grade Argon--Argon ionization gas chromatography method
SJ 2805-1987 Method for determination of Oxygen with Argon and Nitrogen in electronic grade Hydrogen--Concentration gas chromatographic method

Professional Standard - Energy, Determination method of ammonia nitrogen in water

NB/SH/T 6014-2020 Determination of Nitrogenous Compounds in Middle Distillates by Gas Chromatography-Nitrogen Chemiluminescence Detection

American National Standards Institute （ANSI), Determination method of ammonia nitrogen in water

ANSI/PIMA IT4.48-1998 Photography (Processing) - Effluents - Determination of Ammoniacal Nitrogen Content - Microdiffusion Method

ZA-SANS, Determination method of ammonia nitrogen in water

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

ES-AENOR, Determination method of ammonia nitrogen in water

UNE 59-018-1986

Universal Oil Products Company (UOP), Determination method of ammonia nitrogen in water

UOP 269-2010 Nitrogen Bases in Hydrocarbons by Titration