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Ammonia nitrogen measurement in water

Ammonia nitrogen measurement in water, Total:499 items.

In the international standard classification, Ammonia nitrogen measurement in water involves: Water quality, Fertilizers, Vocabularies, Organic chemicals, Sugar. Sugar products. Starch, Medical sciences and health care facilities in general, Animal feeding stuffs, Products of the chemical industry, Paint ingredients, Raw materials for rubber and plastics, Non-ferrous metals, Test conditions and procedures in general, Photography, Coals, Wastes, Leather technology, Plastics, Inorganic chemicals, General methods of tests and analysis for food products, Soil quality. Pedology, Fuels, Textile fibres, Beverages, Spices and condiments. Food additives, Ferroalloys, Analytical chemistry, Ferrous metals, Air quality, Meat, meat products and other animal produce, Construction materials, Products of the textile industry, Cellular materials, Nuclear energy engineering, Tobacco, tobacco products and related equipment, Milk and milk products, Farming and forestry, Adhesives, Fruits. Vegetables, Power stations in general, Protection against fire, Crude petroleum, Testing of metals, Semiconducting materials, Petroleum products in general, Metalliferous minerals, Geology. Meteorology. Hydrology, Installations in buildings, Burners. Boilers, Metrology and measurement in general, Measurement of fluid flow, Radiation protection, Radiation measurements.

American Society for Testing and Materials (ASTM), Ammonia nitrogen measurement 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 UOP740-79T Volatile Nitrogen Bases, Including Ammonia, in Solids and Aqueous Solutions
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 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 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 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 C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
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 D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
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 E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D6979-18 Standard Test Method for Polyurethane Raw Materials: Determination of Basicity in Polyols, Expressed as Percent Nitrogen
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM UOP971-00 Trace Nitrogen in Light Aromatic Hydrocarbons by Chemiluminescence
ASTM UOP981-10 Trace Nitrogen in Liquid Hydrocarbons by Oxidative Combustion with Chemiluminescence Detection

Association Francaise de Normalisation, Ammonia nitrogen measurement in water

NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate
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 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 EN 15561:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique nitratée
NF EN 15560:2009 Engrais - Dosage de l'azote total dans la cyanamide calcique exempte de nitrate
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 T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
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 U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF T51-702*NF EN ISO 9702:1998 Plastics. Amine epoxide hardeners. Determination of primary, secondary and tertiary amine group nitrogen content.
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric 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 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 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 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 U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
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 EN ISO 17180:2013 Aliments des animaux - Détermination de la teneur en lysine, méthionine et thréonine dans les acides aminés du commerce et les prémix
NF G06-030*NF ISO 2915:2017 Wool - Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
XP CEN/TS 17403:2021 Engrais - Dosage de l'azote insoluble dans l'eau froide et de l'azote insoluble dans l'eau chaude dans les engrais à libération lente urée-formaldéhyde solides etméthylène-urée, et détermination de la solubilité des polymères nutritifs da...
XP U42-794*XP CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
NF X34-117:2011 Solid biofuels - Determination of total content of carbon, hydrogen and nitrogen - Instrumental methods.
XP CEN/TS 17762:2022 Engrais inorganiques - Détermination de la teneur en cuivre dans les engrais à base de nitrate d'ammonium et à forte teneur en azote
NF X10-324:1984 Measurement of liquid flow in open channels. Cableway system for stream gauging.
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 M60-803:2001 Nuclear energy - Measurement of radioactivity in the environment - Water - Measurement of radium 226 activity in water.

RO-ASRO, Ammonia nitrogen measurement in water

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen
SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
SR ISO 5314:1981 Fertilizers. Determination of ammoniaca! nitrogen content Titrimetric method after distillation
STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination
STAS 9065/7-1974 MEAT AND MEAT PRODUCTS Determination of easyly hydrolisable nitrogen content
STAS 11985-1985 WOOL Oetcrmination ol solubility index in permethanoic acid-ammonia
STAS 12303-1985 WATER Determination ol cesium 137 content
STAS 12293-1985 WATER Determination of 3 hydrogen (tritium) content
STAS 12218-1984 WATER Determination of iodine 131 content
STAS SR 12303-1997 Water - Determination of caesium 137 content
STAS 12031-1984 WATER Radon 222 content determination

RU-GOST R, Ammonia nitrogen measurement 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 EN 15750-2016 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
GOST 30181.8-1994 Mineral fertilizers. Method for determination of mass fraction of ammonium nitrogen in compound fertilizers (chloramine method)
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 30181.1-1994 Mineral fertilizers. Method for determination of total overall mass fraction of nitrogen in compound fertilizers (in ammonium and amide forms, with deammoniation)
GOST 30181.2-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in single - component fertlizers (in ammonium and amide forms, no deammoniation)
GOST EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
GOST 28995-1991 Liquefied anhydrous ammonia for industrial use. Determination of water content. Gas chromatographic method
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 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
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 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST R 50193.1-1992 Measurement of water flow in closed conduits. Meters for cold potable water. Specifications
GOST R 8.920-2016 State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with Nitrogen oxide, Nitrogen dioxide, Hydrogen sulfide, Sulfur dioxide, Ammonia. Procedure of determining the metrological characteristics

VN-TCVN, Ammonia nitrogen measurement 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 2615-2008 Liquefied anhydrous ammonia for industrial use.Determination of ammonia content.Titrimetric method
TCVN 2616-2008 Liquefied anhydrous ammonia for industrial use.Determination of water content.Volumetric method
TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 8005-2008 Liquefied anhydrous ammonia for industrial use.Determination of water content.Karl Fischer method
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant

Professional Standard - Environmental Protection, Ammonia nitrogen measurement 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 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry

Danish Standards Foundation, Ammonia nitrogen measurement in water

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
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 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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 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 ISO 13903:2005 Animal feeding stuffs – Determination of amino acids content
DS/EN 1141:1995 Fruit and vegetable juices - Spectrometric determination of proline content

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, Ammonia nitrogen measurement 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 6730.37-2017 Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Ammonia nitrogen measurement in water

GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
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 8570.2-1988 Liquefied anhydrous ammonia--Estimating of ammonia content
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 33392-2016 Leather and fur.Chemical tests.Determination of 4-aminoazobenzene derived from azo colorants
GB/T 22974-2008 Determination of isometamidium residues in milk and milk powder.LC-MS-MS method
GB/T 12492-1990 Determination of cystine content of wool hydrolysates by colorimetry
GB/T 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion 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 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
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 8570.2-2010 Determination of liquefied anhydrous ammonia.Part 2:Estimating of ammonia content
GB/T 8570.3-1988 Liquefied anhydrous ammonia--Determination of residue content--Gravimetric method
GB/T 8570.4-1988 Liquefied anhydrous ammonia--Determination of residue content--Titrimetric method
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 21704-2008 Determination of non-protein-nitrogen content in milk and dairy products
GB/T 12491-1990 Determination of systine acid content of wool hydrolysates by paper electrophoresis and colorimetry
GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
GB/T 17767.1-1999 Determination of total nitrogen content for organic-inorganic compound fertilizers
GB/T 12292-1990 Juice of fruits and vegetables--Determination of free amino acid
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton inoxygen. Gas chromatographic method
GB/T 19227-2003 Determination of nitrogen in coal and coke semi-micro gasification method
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
GB/T 17674-2012 Determination of nitrogen in crude oil by boat-inlet chemiluminescence
GB/T 7717.16-1994 Acrylonitrile for industrial use-Determination of content of ammonia-Titrimetrie method
GB/T 17674-1999 Determination of nitrogen in petroleum and petroleum products by chemiluminescence method
GB/T 8572-2001 Determination of total nitrogen content for compound fertilizers-Titrimetric method after distillation
GB/T 10511-1989 The determination of total nitrogen content for nitrophosphate titrimetric method after distillation
GB/T 10511-2008 Determination of tatal nitrogen content for nitrophosphate.Titrimetric method after distillation
GB/T 8572-2010 Determination of total nitrogen content for compound fertilizers titrimetric method after distillation
GB/T 8570.6-1988 Liquefied anhydrous ammonia--Determination of oil content--Gravimetric and infra-red methods
GB/T 22313-2008 Determination of water content of polyols used in plastics for polyurethane production
GB/T 8570.3-2010 Determination of liquefied anhydrous ammonia.Part 3:Residue content.Gravimetric method

Professional Standard - Urban Construction, Ammonia nitrogen measurement in water

CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ/T 3018.6-1993 Leachate.Determination of ammoniacal nitrogen.Distillation and titration method

GOSTR, Ammonia nitrogen measurement 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

Professional Standard - Light Industry, Ammonia nitrogen measurement 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
QB/T 2409-1998 Determination of amino acid content in cosmetics

British Standards Institution (BSI), Ammonia nitrogen measurement in water

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 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 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
BS EN ISO 9702:1997 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
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
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
DD CEN/TS 15561:2007 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2023 Inorganic fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
21/30442090 DC BS EN 15561. Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
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 ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion 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 ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS ISO 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
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 EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method
BS DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
PD CEN/TS 17762:2022 Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
BS ISO 14897:2023 Plastics. Polyols for use in the production of polyurethanes. Determination of water content

German Institute for Standardization, Ammonia nitrogen measurement in water

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 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 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 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 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 15560:2021 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German and English version prEN 15560:2021
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 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; English version of DIN EN 15561:2009-06
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 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
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 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
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 15560:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2023
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 54286:1975 Testing of textiles; determination of the cysteic acid content in wool hydrolysates
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 1141:1994-12 Fruit and vegetable juices - Spectrometric determination of proline content; German version EN 1141:1994
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
DIN CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version CEN/TS 15560:2007
DIN CEN/TS 17762:2022-07 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17762:2022
DIN 51614:1989 Testing of liquefied petroleum gases; detection of ammonia, water and alkaline solution

PT-IPQ, Ammonia nitrogen measurement in water

E 211-1967
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method
NP 4109-1990 Textiles Wool. Determination of cystine plus cysteine in hydrolysates. Colorimetric method
NP EN 1243-2000 Adhesives Determination of free formaldehyde in amino and amidoformaldehyde condensates
NP 1233-1976
NP 320-1963
NP 1273-1976
NP 3779-1988 Leather Determination of nitrogen content and hide substance. Titrimetric method

BE-NBN, Ammonia nitrogen measurement 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 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method
NBN T 03-081-1979 Ammonium hydrogen carbonate for industrial use (including food-stuffs) - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-093-1988 Liquefied anhydrous ammonia for industrial use - Détermination of water content - Gas chromatographic method
NBN T 03-094-1988 Liquefied anhydrous ammonia for industrial use - Determination of water content - Karl Fischer method
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 V 21-008-1977 Gravimetrie determination of the water content of dried milk
NBN T 95-301-1977 Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid

Group Standards of the People's Republic of China, Ammonia nitrogen measurement in water

T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method
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/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/CCAS 008-2019 Analytical methods of the ammonia in fly ash for cement and concrete
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/GDASE 0009-2020 Determination of the content of carbon, hydrogen, oxygen, nitrogen and sulfur in graphene
T/CSEE 0289-2022 Electrode method for determination of ammonia content in coal-fired power plant ash
T/GXAS 477-2023 Determination of total nitrogen content in sugarcane juice —sulphuric acid titrimetric method
T/LNIQA 010-2023 Determination of methylselenocysteine and selenomethionine in selenium-enriched foods
T/SDAQI 064-2021 Determination of urea content in diesel engines NOx reduction agent - Aqueous urea solution by refractive index
T/CHBAS 14-2021 Determination of amino acids content in milk powder High performance liquid chromatography
T/QAS 027-2021 Gravimetric method for determination of loss on ignition in brine

国家市场监督管理总局、中国国家标准化管理委员会, Ammonia nitrogen measurement 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 40970-2021 Determination of ammonia in cosmetics—Titration method
GB/T 17674-2021 Determination of nitrogen in crude oil—Boat-inlet chemiluminescence
GB/T 39144-2020 Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry

Professional Standard - Agriculture, Ammonia nitrogen measurement in water

GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
GB 8570.2-1988 Determination of ammonia content in liquid anhydrous ammonia
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
NY/T 1977-2010 Water-suluble fertilizers-Determination of total nitrogen, phosphorus and potassium content
GB 8570.3-1988 Gravimetric method for determination of residue content of liquid anhydrous ammonia
GB 8570.4-1988 volumetric method for determination of residue content of liquid anhydrous ammonia
NY/T 1975-2010 Water-soluble fertilizers.Determination of amino-acids content
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
GB/T 42957-2023 Determination of lysine, methionine and threonine content in amino acid products and additive premixed feed
GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method
GB/T 42955-2023 Determination of total nitrogen content in fertilizers Dumas combustion method
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 12292-1990 Determination of free amino acid content in fruit and vegetable juice
NY/T 2878-2015 Determination of Polyaspartic Acid Content in Water Soluble Fertilizer
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/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
GB 8570.6-1988 Determination of the content of liquid anhydrous ammonia oil by gravimetric and infrared spectroscopic methods
SN/T 0695-2018 Determination of the residues of azinamide in food of plant origin for export

FI-SFS, Ammonia nitrogen measurement 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
SFS 5183-1986

European Committee for Standardization (CEN), Ammonia nitrogen measurement 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 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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 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 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
EN ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
FprCEN/TS 17762-2021 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
EN 1141:1994 Fruit and vegetable juices - Spectrometric determination of proline content

BR-ABNT, Ammonia nitrogen measurement in water

Lithuanian Standards Office , Ammonia nitrogen measurement in water

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 15750-2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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 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 1141-2000 Fruit and vegetable juices - Spectrometric determination of proline content

AENOR, Ammonia nitrogen measurement in water

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 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
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 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)

YU-JUS, Ammonia nitrogen measurement in water

JUS H.B8.285-1983 Fertilizers. Determination of content amoniac-nitrogen. Volumetric method
JUS E.Z8.017-1993 Soups,broaths,sauces and seasonings -Determination of the α-amino nitrogen content
JUS H.G8.298-1987 Reagents. Oxaiic acid dihydrate. Determination of total nitrogen content. Colorimetric metbod
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method

International Organization for Standardization (ISO), Ammonia nitrogen measurement in water

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 15604:2016 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 7108:1985 Ammonia solution for industrial use; Determination of ammonia content; Titrimetric method
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 2913:1975 Wool; Colorimetric determination of cystine plus cysteine in hydrolysates
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO/FDIS 14897 Plastics — Polyols for use in the production of polyurethanes — Determination of water content
ISO 6853:1987 Photography; Processing waste; Determination of ammoniacal nitrogen content; Microdiffusion 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 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 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 2515:1973 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of ammoniacal nitrogen content; Volumetric method after distillation
ISO 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 2899:1974 Sulphuric acid and oleums for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 9006:1994 Uranium metal and uranium dioxide powder and pellets - Determination of nitrogen content - Method using ammonia-sensing electrode
ISO 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
ISO 7104:1985 Liquefied anhydrous ammonia for industrial use; Determination of water content; Gas chromatographic method
ISO 7105:1985 Liquefied anhydrous ammonia for industrial use; Determination of water content; Karl Fischer method
ISO 25761:2014 Plastics - Polyols for use in the production of polyurethanes - Determination of basicity (total amine value), expressed as percent nitrogen
ISO 7109:1985 Ammonia solution for industrial use; Determination of residue after evaporation at 105 degrees C; Gravimetric method
ISO 4276:1978 Anhydrous ammonia for industrial use; Evaluation of residue on evaporation; Gravimetric method
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 14897:2002 Plastics - Polyols for use in the production of polyurethane - Determination of water content
ISO 14897:2000 Plastics - Polyols for use in the production of polyurethane - Determination of water content
ISO 14897:2023 Plastics — Polyols for use in the production of polyurethanes — Determination of water content
ISO/DTS 17234:2002 Leather - Chemical tests - Determination of certain azo colourants in dyded leathers
ISO 7106:1985 Liquefied anhydrous ammonia for industrial use; Determination of oil content; Gravimetric and infra-red spectrometric methods

CZ-CSN, Ammonia nitrogen measurement in water

CSN 65 4835-1983 Minerál fertilizers. Determination of ammoniacal nitrogen content by distillating method
CSN 65 4814-1976 Determinaíion of nitrogen oontent in fertilizers
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 83 4728 Cast.1-1984 Air quality. Emission measurement of ammonia from stationary sources of air pollution. General part
CSN 50 0393-1986 Determination of the content of or- ganic nitrogen in páper and paper- board
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 83 4728 Cast.4-1984 Air quality. Emission measurement of ammonia from stationary sources of air pollution. Photometric method
CSN 83 4728 Cast.3-1984 Air quality. Emission measurement of ammonia from stationary sources of air pollution. Titration method
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method

NL-NEN, Ammonia nitrogen measurement in water

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
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 6398-1992 Fruit lemonades - Determination of proline content - Spectrometric method
NEN 6641-1983 Sludge - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6622-1988 Sludge - Determination of sand and other acidinsoluble material, and the fraction with a partiele size greater than 0,1 mm - Gravimetric method

CEN - European Committee for Standardization, Ammonia nitrogen measurement 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
EN ISO 13904:2005 Animal feeding stuffs Determination of tryptophan content
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

Korean Agency for Technology and Standards (KATS), Ammonia nitrogen measurement in water

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 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 I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS M ISO 9702:2002 Plastics－Amine epoxide hardners－Determination of primary, secondary and tertiary amine group nitrogen content
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 I ISO 11732:2008 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 K ISO 2913:2018 Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
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 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 D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
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 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 K ISO 2913:2009 Wool－Colorimetric determination of cystine plus cysteine in hydrolysates
KS A ISO 9006:2008 Uranium metal and uranium dioxide powder and pellets－Determination of nitrogen content－Method using ammonia-sensing electrode
KS A ISO 9006-2008(2018) Uranium metal and uranium dioxide powder and pellets－Determination of nitrogen content－Method using ammonia-sensing electrode
KS K ISO 2915:2018 Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
KS M ISO 5397-2002(2017) Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS M ISO 7408:2007 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 7408:2013 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 7105-2017(2022) Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS M ISO 7105:2002 Liquefied anhydrous ammonia for industrial use－Detemination of water content－Karl Fischer method
KS M ISO 7105:2017 Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method

未注明发布机构, Ammonia nitrogen measurement 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

Professional Standard - Aviation, Ammonia nitrogen measurement in water

HB 5297.17-1984 Determination of Nitrogen in Titanium and Titanium Alloys by Steam Distillation
HB 5220.23-1982 Determination of nitrogen content in superalloys
HB 5297.13-1984 Determination of Cerium in Titanium Alloy Chlorophosphine Azo Ⅲ Absorption Spectrophotometry

CU-NC, Ammonia nitrogen measurement in water

NC 93-01-120-1988 Standards System for Envirorment Protection. Hydrosphere. Determination of Ammo-nial and Organic Nitrogen

Hunan Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement 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

中华人民共和国环境保护部, Ammonia nitrogen measurement in water

GB 13580.11-1992 Determination of ammonium in the wet precipitation

SE-SIS, Ammonia nitrogen measurement in water

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 01-1992 Nitrogen content of water — Determination with Kjeldahl method after reduction with Devarda's alloy
SIS 02 81 19-1974 Determination of calcium content of water

Indonesia Standards, Ammonia nitrogen measurement in water

SNI 13-4721-1998 Methods for determination of total nitrogen content in soils
SNI 06-6323-2000 Determination of total nitrogen content in peat
SNI 06-6876-2002 Test methods of ammonia content in water by ion selective electrode
SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)

Japanese Industrial Standards Committee (JISC), Ammonia nitrogen measurement in water

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 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 0099:1983 Methods for determination of ammonia in exhaust gas
JIS K 0099:1998 Methods for determination of ammonia in flue gas
JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0099:2004 Methods for determination of ammonia in flue gas
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS B 7982:2002 Automated measuring systems and analyzers for nitrogen oxides in flue gas

National Health Commission of the People's Republic of China, Ammonia nitrogen measurement in water

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

工业和信息化部, Ammonia nitrogen measurement 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
YB/T 4566.5-2016 Determination of vanadium ferrosilicon content by sulfuric acid dehydration gravimetric method
YB/T 4582.8-2017 Determination of silicon content in ferrosilicon nitride perchloric acid dehydration gravimetric method

NO-SN, Ammonia nitrogen measurement in water

NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4855-1981 Air quality - Determination of nitrogendioxide in ambient air

TR-TSE, Ammonia nitrogen measurement in water

TS 3244-1978 WOOL - COLORIMETRIC DETERMINATION OP CYSTINE PLUS CYTEINE IN HYDROLYSATES

HU-MSZT, Ammonia nitrogen measurement in water

AR-IRAM, Ammonia nitrogen measurement in water

IRAM 14 522-1961

TN-INNORPI, Ammonia nitrogen measurement in water

NT 14.33-1983

Professional Standard - Ferrous Metallurgy, Ammonia nitrogen measurement in water

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

Guangdong Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

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

Professional Standard - Aquaculture, Ammonia nitrogen measurement in water

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

KR-KS, Ammonia nitrogen measurement in water

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 2913-2018(2023) Wool — Colorimetric determination of cystine plus cysteine in hydrolysates
KS K ISO 2915-2018 Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
KS K ISO 2915-2018(2023) Wool－Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
KS M ISO 7105-2017 Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method

Professional Standard - Commodity Inspection, Ammonia nitrogen measurement in water

SN/T 0840-2015 Determination of nitrogen content of urea for import and export
SN/T 0840-1999 Method for the determination of nitrogen content of urea for import and export
SN/T 0464-2003 Quantitative analysis of polyurethane fiber of textile
SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 2239-2008 Determination of isometamidium residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export

TH-TISI, Ammonia nitrogen measurement in water

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

Professional Standard - Chemical Industry, Ammonia nitrogen measurement in water

HG/T 2409-1992 Determination of isoamyl ester group content in polyurethane prepolymer
HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water

ZA-SANS, Ammonia nitrogen measurement 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

Shandong Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

DB37/T 2094-2012 Determination of Hydroxyproline Content in Aquatic Products by High Performance Liquid Chromatography
DB37/T 2735-2015 Determination of ammonium sulfate content in dry powder fire extinguishing agent Total nitrogen content method

Professional Standard - Petrochemical Industry, Ammonia nitrogen measurement in water

SH/T 1627.3-1996 Determination of ammonia content in industrial acetonitrile

American National Standards Institute （ANSI), Ammonia nitrogen measurement in water

ANSI/PIMA IT4.48-1998 Photography (Processing) - Effluents - Determination of Ammoniacal Nitrogen Content - Microdiffusion Method
ANSI/PIMA IT4.47-1998 Photography (Processing) - Effluents - Determination of Total Amino Nitrogen - Microdiffusion Kjeldahl Method

国家质量监督检验检疫总局, Ammonia nitrogen measurement in water

SN/T 4675.23-2016 Determination of ammonia nitrogen in exported wine and grape juice using continuous flow analyzer method
SN/T 4764-2017 Elemental analyzer method for determination of carbon, hydrogen, nitrogen and sulfur content in coal

PL-PKN, Ammonia nitrogen measurement in water

PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
PN Z04009-02-1991 Air purity protection Tests for nitrogen compounds Determination of ammonia in the atmosphere (imision) by photometric, indophenol method
PN C04595 ArkusZ04-1974 Water and waste water Tests for lead Dctermination of lead by dithiocarbamate method
PN C04611 ArkusZ04-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with sodium diethyldithiocarbamate Rang?: 0,001÷1,0 rag/l
PN C04595-03-1990 Water and waste water Tests for lead Determination of lead by extractivetitrimetric method with sodium diethyldithicarbamate
PN C04593-1971 Water and waste water Determination of formaldehyde content

农业农村部, Ammonia nitrogen measurement in water

NY/T 3039-2016 Determination of polyglutamic acid content in water-soluble fertilizers

ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc., Ammonia nitrogen measurement in water

ASHRAE CH-03-5-3-2003 Modeling of Local Measured Heat and Mass Transfer Variations in a Microchannel Ammonia-Water Absorber

Inner Mongolia Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

DB15/T 2037-2020 Determination of tryptophan in feed by microwave hydrolysis-amino acid automatic analyzer method

Natural Gas Processor's Association (NGPA), Ammonia nitrogen measurement in water

GPA RR-90-1985 Vapor-Liquid Equilibrium Measurements on the Ammonia-Water System from 313K to 589K

Standard Association of Australia （SAA）, Ammonia nitrogen measurement in water

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 3778.4.3:1991(R2009)

Professional Standard - Geology, Ammonia nitrogen measurement in water

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

ES-AENOR, Ammonia nitrogen measurement in water

Universal Oil Products Company (UOP), Ammonia nitrogen measurement in water

UOP 971-2000 TRACE NITROGEN IN LIGHT AROMATIC HYDROCARBONS BY CHEMILUMINESCENCE

Yunnan Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

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

ES-UNE, Ammonia nitrogen measurement in water

UNE-CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)
UNE-EN 1141:1995 FRUIT AND VEGETABLE JUICES. SPECTROMETRIC DETERMINATION OF PROLINE CONTENT.
UNE-CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content (Endorsed by Asociación Española de Normalización in May of 2022.)

Shanxi Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

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

Professional Standard - Electron, Ammonia nitrogen measurement in water

SJ/T 11493-2015 Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry

Anhui Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas

Henan Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

DB41/T 1704-2018 Determination of total nitrogen content in compound fertilizers Dumas combustion method

国家能源局, Ammonia nitrogen measurement in water

NB/SH/T 0980-2019 Determination of basic nitrogen content in petroleum fractions by potentiometric titration method

Tianjin Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry

Professional Standard - Ocean, Ammonia nitrogen measurement in water

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 263-2018 Determination of dissolved nitrous oxide in seawater—Headspace equilibrium gas chromatography method

Agricultural Standard of the People's Republic of China, Ammonia nitrogen measurement in water

GB 31660.8-2019 National food safety standard— Determination of isometamidium residues in bovine tissue and milk by liquid chromatography-tandem mass spectrometric method

Professional Standard - Energy, Ammonia nitrogen measurement in water

NB/SH/T 0162-2021 Color indicator method for determination of basic nitrogen content in petroleum distillates

AT-ON, Ammonia nitrogen measurement in water

ONORM DIN 10321-1993 Determination of water content of dried milk
ONORM DIN 10317-1993 Determination of water content of butter

Fujian Provincial Standard of the People's Republic of China, Ammonia nitrogen measurement in water

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

Professional Standard - Electricity, Ammonia nitrogen measurement in water

DL/T 1494-2016 Determination of ammonia content in fly ash of coal-fired power plant.Ion chromatography method
DL/T 1984-2019 Determination of Ammonia Content in Coal-fired Boiler Fly Ash by Spectrophotometry

Professional Standard - Non-ferrous Metal, Ammonia nitrogen measurement in water

YS/T 227.5-1994 Determination of selenium content in tellurium (2 3-diaminonaphthalene absorptiometry)