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Ammonia nitrogen content in water

Ammonia nitrogen content in water, Total:499 items.

In the international standard classification, Ammonia nitrogen content in water involves: Water quality, Fertilizers, Organic chemicals, Raw materials for rubber and plastics, Vocabularies, Soil quality. Pedology, Fuels, Non-ferrous metals, Photography, Inorganic chemicals, Wastes, Textile fibres, Analytical chemistry, Ferrous metals, Plastics, Ferroalloys, Beverages, Leather technology, Air quality, Products of the chemical industry, Paint ingredients, Construction materials, Protection against fire, Animal feeding stuffs, Tobacco, tobacco products and related equipment, Milk and milk products, Adhesives, Nuclear energy engineering, Fruits. Vegetables, Power stations in general, Test conditions and procedures in general, Products of the textile industry, Farming and forestry, Crude petroleum, Testing of metals, Coals, Petroleum products in general, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Burners. Boilers, Metalliferous minerals.

Association Francaise de Normalisation, Ammonia nitrogen content 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 U42-503*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 EN 15750:2010 Engrais - Détermination de la teneur en azote total des engrais ne contenant l'azote que sous forme nitrique, ammoniacale et uréique, selon deux méthodes différentes
NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
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 T51-702*NF EN ISO 9702:1998 Plastics. Amine epoxide hardeners. Determination of primary, secondary and tertiary amine group nitrogen content.
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 U42-416*NF EN 15478:2009 Fertilizers - Determination of total nitrogen in urea.
NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF G06-030*NF ISO 2915:2017 Wool - Determination of cysteic acid content of wool hydrolysates by paper electrophoresis and colorimetry
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 U42-146*NF EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free.
XP U42-794*XP CEN/TS 17762:2022 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
NF V04-407:2002 Meat, meat product and fishery products - Determination of nitrogen content and calculation of the protein content - Kjeldahl method.
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
XP U42-793*XP CEN/TS 17761:2022 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
XP CEN/TS 17761:2022 Engrais inorganiques - Détermination de la teneur en chlorure des engrais à base de nitrate d'ammonium à forte teneur en azote
NF V04-415:2002 Viandes, produits à base de viandes et produits de la pêche - Détermination de la teneur en L-hydroxyproline (collagène)
NF A06-380*NF EN ISO 10720:2007 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas

RO-ASRO, Ammonia nitrogen content in water

SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content
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 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
STAS 6536-1987 DRINKING WATER Determination of dissolved oxygen content in water
STAS 7725-1967
STAS SR EN 10179-1994 Chemicat analysis of ferrous materials - Determination of nitrogen (trace amounts) in steel - Spectrophotometric method

VN-TCVN, Ammonia nitrogen content 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 7373-2004 Soils quality.Index values of total nitrogen content in the soils of Vietnam
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

RU-GOST R, Ammonia nitrogen content 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 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 EN 15478-2013 Fertilizers. Determination of total nitrogen in urea
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 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 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST 27894.3-1988 Peat and products of its proccesing for agriculture. Methods for determination of ammonia nitrogen
GOST 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
GOST 28995-1991 Liquefied anhydrous ammonia for industrial use. Determination of water content. Gas chromatographic method
GOST EN 15561-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide containing nitrates
GOST EN 15560-2013 Fertilizers. Determination of total nitrogen in calcium cyanamide nitrate free

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 content 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 content 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 8570.2-1988 Liquefied anhydrous ammonia--Estimating of ammonia content
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 12492-1990 Determination of cystine content of wool hydrolysates by colorimetry
GB/T 41964-2022 Photography—Processing waste—Determination of ammoniacal nitrogen (microdiffusion method)
GB/T 24583.3-2009 Vanadium-Nitrogen alloy.Determination of nitrogen content.The distillation-neutralization titration method
GB/T 24101-2009 Limit and determination of 4-aminoazobenzene in dye products
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 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 12292-1990 Juice of fruits and vegetables--Determination of free amino acid
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 14605-1993 Determination of trace argon, nitrogen and krypton inoxygen. Gas chromatographic method
GB/T 12491-1990 Determination of systine acid content of wool hydrolysates by paper electrophoresis and colorimetry
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 22974-2008 Determination of isometamidium residues in milk and milk powder.LC-MS-MS method
GB/T 8570.3-2010 Determination of liquefied anhydrous ammonia.Part 3:Residue content.Gravimetric method
GB/T 8570.4-2010 Determination of liquefied anhydrous ammonia- Part 4:Residue content-Titrimetric method
GB 9170-1988 Determination method of total nitrogen content in lubricating oil and fuel oil (improved Kjeldahl method)
GB/T 9170-1988 Lubricating oils and fuel oils--Determination of total nitrogen--Modified kjeldahl method
GB/T 8570.7-1988 Liquefied anhydrous ammonia--Determination of iron content--o-Phenanthroline spectrophotometric method
GB/T 12152-2007 Water for boiler and cooling system.Determination of mineral oil

German Institute for Standardization, Ammonia nitrogen content in water

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 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 15604:2009-06 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 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 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 12135:1997-12 Fruit and vegetable juices - Determination of nitrogen content - Kjeldahl method; German version EN 12135:1997
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 15560:2023-10 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free; German version EN 15560:2023
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 CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates; German version CEN/TS 15561:2007
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 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 1141:1994-12 Fruit and vegetable juices - Spectrometric determination of proline content; German version EN 1141:1994
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 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 17761:2022-07 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content; German version CEN/TS 17761:2022
DIN EN ISO 10720:2007-06 Steel and iron - Determination of nitrogen content - Thermal conductimetric method after fusion in a current of inert gas (ISO 10720:1997); German version EN ISO 10720:2007

British Standards Institution (BSI), Ammonia nitrogen content 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 EN ISO 9702:1997 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
BS EN 15560:2023 Inorganic fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 ISO 6853:2002 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
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
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS DD CEN/TS 15561:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
BS EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrates
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 6851:2002 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
BS EN 12135:1998 Fruit and vegetable juices - Determination of nitrogen content - 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 DD CEN/TS 15560:2007 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
BS EN 15560:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide nitrate free
PD CEN/TS 17762:2022 Inorganic fertilizers. Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS ISO 14897:2023 Plastics. Polyols for use in the production of polyurethanes. Determination of water content
PD CEN/TS 17761:2022 Inorganic fertilizers. Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content

European Committee for Standardization (CEN), Ammonia nitrogen content 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 ISO 13904:2016 Animal feeding stuffs - Determination of tryptophan content
EN 1243:2011 Adhesives - Determination of free formaldehyde in amino and amidoformaldehyde condensates
FprCEN/TS 17762-2021 Inorganic fertilizers - Determination of the copper content in ammonium nitrate fertilizers of high nitrogen content
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN 1141:1994 Fruit and vegetable juices - Spectrometric determination of proline content
FprCEN/TS 17761-2021 Inorganic fertilizers - Determination of the chloride content in ammonium nitrate fertilizers of high nitrogen content
EN ISO 960:1997 Plastics - Polyamides (PA) - Determination of Water Content ISO 960:1988

GOSTR, Ammonia nitrogen content 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

PT-IPQ, Ammonia nitrogen content in water

E 211-1967
NP EN 12135-2000 Fruit and vegetable juices Determination of nitrogen content Kjeldahl method
NP EN 1243-2000 Adhesives Determination of free formaldehyde in amino and amidoformaldehyde condensates
NP 1233-1976
NP 3779-1988 Leather Determination of nitrogen content and hide substance. Titrimetric method
NP 1273-1976

FI-SFS, Ammonia nitrogen content 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

American Society for Testing and Materials (ASTM), Ammonia nitrogen content in water

ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 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 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 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 D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM E258-67(2002) Standard Test Method for Total Nitrogen in Organic Materials by Modified Kjeldahl Method
ASTM D3645-97 Standard Test Methods for Beryllium in Water
ASTM D3859-98 Standard Test Methods for Selenium in Water
ASTM D3559-08 Standard Test Methods for Lead in Water
ASTM D1607-91(2000)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D1607-91(2018)e1 Standard Test Method for Nitrogen Dioxide Content of the Atmosphere (Griess-Saltzman Reaction)
ASTM D3454-97 Standard Test Method for Radium-226 in Water
ASTM D3731-87(2004) Standard Practices for Measurement of Chlorophyll Content of Algae in Surface Waters
ASTM D3697-92(1996) Standard Test Method for Antimony in Water
ASTM D3697-02 Standard Test Method for Antimony in Water
ASTM D3920-02(2007)e1 Standard Test Method for Strontium in Water
ASTM D1886-03 Standard Test Methods for Nickel in Water
ASTM D3558-94(1998) Standard Test Methods for Cobalt in Water
ASTM D3920-92(1996) Standard Test Method for Strontium in Water
ASTM D3920-02 Standard Test Method for Strontium in Water
ASTM D857-02 Standard Test Method for Aluminum in Water
ASTM D857-95 Standard Test Method for Aluminum in Water
ASTM D3557-02(2007)e1 Standard Test Methods for Cadmium in Water
ASTM D1687-02(2007)e1 Standard Test Methods for Chromium in Water
ASTM D1687-02 Standard Test Methods for Chromium in Water
ASTM D3866-02 Standard Test Methods for Silver in Water
ASTM D3866-92(1996) Standard Test Methods for Silver in Water
ASTM D3645-02 Standard Test Methods for Beryllium in Water
ASTM D3557-02 Standard Test Methods for Cadmium in Water
ASTM D3557-95 Standard Test Methods for Cadmium in Water
ASTM D3559-03 Standard Test Methods for Lead in Water
ASTM D3372-02(2007)e1 Standard Test Method for Molybdenum in Water
ASTM D1691-02(2007)e1 Standard Test Methods for Zinc in Water
ASTM D857-07 Standard Test Method for Aluminum in Water
ASTM D3697-07 Standard Test Method for Antimony in Water
ASTM D3559-96 Standard Test Methods for Lead in Water
ASTM D3558-03 Standard Test Methods for Cobalt in Water
ASTM D1688-02 Standard Test Methods for Copper in Water
ASTM D1688-95 Standard Test Methods for Copper in Water
ASTM D3866-07 Standard Test Methods for Silver in Water
ASTM D4107-98 Standard Test Method for Tritium in Drinking Water
ASTM D4107-98(2002)e1 Standard Test Method for Tritium in Drinking Water
ASTM D3645-03 Standard Test Methods for Beryllium in Water
ASTM D3372-92(1996) Standard Test Method for Molybdenum in Water
ASTM D3372-02 Standard Test Method for Molybdenum in Water
ASTM D3373-03(2007)e1 Standard Test Method for Vanadium in Water
ASTM D3373-03 Standard Test Method for Vanadium in Water
ASTM D1385-88(2001) Standard Test Method for Hydrazine in Water
ASTM D1385-01 Standard Test Method for Hydrazine in Water
ASTM D1688-90 Standard Test Methods for Copper in Water
ASTM D1691-90 Standard Test Methods for Zinc in Water
ASTM D3082-92(1996) Standard Test Method for Boron In Water
ASTM D3557-90 Standard Test Methods for Cadmium in Water
ASTM D4107-91 Standard Test Method for Tritium in Drinking Water
ASTM D857-07e1 Standard Test Method for Aluminum in Water
ASTM D1691-95 Standard Test Methods for Zinc in Water
ASTM D1691-02 Standard Test Methods for Zinc in Water
ASTM D858-95 Standard Test Methods for Manganese in Water
ASTM D858-02 Standard Test Methods for Manganese in Water
ASTM D4107-08 Standard Test Method for Tritium in Drinking Water
ASTM D1687-12 Standard Test Methods for Chromium in Water
ASTM D3372-12 Standard Test Method for Molybdenum in Water
ASTM D1886-14 Standard Test Methods for Nickel in Water
ASTM D2972-08 Standard Test Methods for Arsenic in Water
ASTM D1886-08 Standard Test Methods for Nickel in Water
ASTM D1687-17 Standard Test Methods for Chromium in Water
ASTM D3559-15 Standard Test Methods for Lead in Water
ASTM D3645-15 Standard Test Methods for Beryllium in Water
ASTM D3558-15 Standard Test Methods for Cobalt in Water
ASTM D2972-15 Standard Test Methods for Arsenic in Water
ASTM D3082-15 Standard Test Method for Boron in Water
ASTM D3859-03 Standard Test Methods for Selenium in Water
ASTM D3859-08 Standard Test Methods for Selenium in Water
ASTM D4107-08(2013) Standard Test Method for Tritium in Drinking Water
ASTM D3859-15 Standard Test Methods for Selenium in Water
ASTM D3645-08 Standard Test Methods for Beryllium in Water
ASTM D3558-08 Standard Test Methods for Cobalt in Water
ASTM D3697-17 Standard Test Method for Antimony in Water
ASTM D168-94(2000) Standard test method for copper content in water
ASTM C563-17 Standard Guide for Approximation of Optimum SO3 in Hydraulic Cement
ASTM D3875-97 Standard Test Method for Alkalinity in Brackish Water, Seawater, and Brines

Professional Standard - Agriculture, Ammonia nitrogen content in water

GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
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
SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
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
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
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
GB/T 42957-2023 Determination of lysine, methionine and threonine content in amino acid products and additive premixed feed
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
GB 8570.7-1988 Determination of the content of liquid anhydrous ammonium ferric o-phenanthroline spectrophotometric method

YU-JUS, Ammonia nitrogen content 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 E.L8.005-1980 Method of determination ofwather content in caces
JUS H.G8.158-1984 Reagents. Sodium carbonate anhydrous and sodium carbonate decahydrate. Determination of total ni-trogen contont. Colorimetric method
JUS E.M8.022-1987 Determination of moisture in bakery yeast

ZA-SANS, Ammonia nitrogen content in water

SANS 5217:2007 Water - Free and saline ammonia content
SANS 5218:2007 Water - Albuminoid ammonia content
SANS 5742:1971 Sulphide sulphur content of cement
SANS 5855:2008 Free water content of aggregates
SANS 377:2005 Standard test methods for selenium in water
SANS 379:2005 Standard test method for antimony in water
SANS 381:2007 Standard test method for aluminium in water
SANS 382:2007 Standard test methods for iron in water
SANS 383:2007 Standard test methods for zinc in water
SANS 384:2007 Standard test methods for lead in water
SANS 5250:2006 Water-soluble matter content of textiles
SANS 374:2005 Standard test methods for chloride ion in water

NL-NEN, Ammonia nitrogen content 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 6642-1992 Water-Calculation of total nitrogen content
NEN 6644-1983 Water - Calculation of free ammoniac content
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
NEN 6494-1984 Water - Enzymatic determination of urea content in swimming water

CZ-CSN, Ammonia nitrogen content 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 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 65 7084-1983 Water-soluble matters contalned in asphalts
CSN 44 1384-1978 Determination of total moisture content in coke
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method
CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 83 0521 Cast.5-1976 Determination of tars in phenol waste waters
CSN 83 0570-1963 Determination of sulphocyanides in phenol waste waters
CSN 83 0571-1963 Determination of tars in phenol waste waters

Danish Standards Foundation, Ammonia nitrogen content in water

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 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 13903:2005 Animal feeding stuffs – Determination of amino acids content
DS/EN 1141:1995 Fruit and vegetable juices - Spectrometric determination of proline content

Lithuanian Standards Office , Ammonia nitrogen content 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 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 1141-2000 Fruit and vegetable juices - Spectrometric determination of proline content

AENOR, Ammonia nitrogen content 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 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

International Organization for Standardization (ISO), Ammonia nitrogen content 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 7108:1985 Ammonia solution for industrial use; Determination of ammonia content; Titrimetric method
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 2913:1975 Wool; Colorimetric determination of cystine plus cysteine in hydrolysates
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 6851:2001 Photography - Processing waste - Determination of total amino nitrogen (microdiffusion Kjeldahl method)
ISO 2515:1973 Ammonium hydrogen carbonate for industrial use (including foodstuffs); Determination of ammoniacal nitrogen content; Volumetric method after distillation
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 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 6851:1987 Photography; Processing waste; Determination of total amino nitrogen; Microdiffusion Kjeldahl method
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
ISO/R 960:1969 Plastics — Determination of the water content in polyamides
ISO 960:1988 Plastics; polyamides (PA); determination of water content

Professional Standard - Environmental Protection, Ammonia nitrogen content in water

HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration

CEN - European Committee for Standardization, Ammonia nitrogen content in water

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 content in water

KS M ISO 5314-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
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 M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS D 1811-2003 Methods for determination of nitrogen in iron and steel
KS M ISO 9702:2002 Plastics－Amine epoxide hardners－Determination of primary, secondary and tertiary amine group nitrogen content
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
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 A ISO 9006:2008 Uranium metal and uranium dioxide powder and pellets－Determination of nitrogen content－Method using ammonia-sensing electrode
KS M ISO 5397-2002(2017) Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
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 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 7105-2017(2022) Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer 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 7105:2002 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
KS D ISO 10720:2003 Steel and iron-Determination of nitrogen content-Thermal conductimetric method after fusion in a current of inert gas
KS M ISO 7106-2017(2022) Liquefied anhydrous ammonia for industrial use — Determination of oil content — Gravimetric and infra-red spectrometric methods

未注明发布机构, Ammonia nitrogen content 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

Indonesia Standards, Ammonia nitrogen content 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 7617-2013
SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
SNI 7617 AMD 1-2014
SNI 03-6824-2002 Determination of cement content in cement aggregate by titration

VE-FONDONORMA, Ammonia nitrogen content in water

NORVEN 378

Japanese Industrial Standards Committee (JISC), Ammonia nitrogen content 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 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 0099:2004 Methods for determination of ammonia in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air

SE-SIS, Ammonia nitrogen content 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
SIS 02 81 20-1974 Determination of chloride content of water
SIS 02 81 26-1974 Determination of orthophosphate content of water
SIS SS 02 81 21-1983 Determination of the sum of calcium and magnesium in water -Titrimetric method

HU-MSZT, Ammonia nitrogen content in water

AR-IRAM, Ammonia nitrogen content in water

TN-INNORPI, Ammonia nitrogen content in water

NT 14.33-1983

工业和信息化部, Ammonia nitrogen content in water

YB/T 4582.7-2017 Determination of total nitrogen content of ferrous silicon nitride by neutralization titration method
YB/T 4566.5-2016 Determination of vanadium ferrosilicon content by sulfuric acid dehydration gravimetric method
YB/T 4566.2-2016 Determination of nitrogen content of vanadium iron nitride, distillation and separation-acid-base neutralization titration method
YB/T 4582.8-2017 Determination of silicon content in ferrosilicon nitride perchloric acid dehydration gravimetric method

BR-ABNT, Ammonia nitrogen content in water

ABNT MB-1133-1979

Professional Standard - Ferrous Metallurgy, Ammonia nitrogen content in water

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

国家市场监督管理总局、中国国家标准化管理委员会, Ammonia nitrogen content in water

GB/T 24583.3-2019 Vanadium-nitrogen—Determination of nitrogen content—Distillation-neutralization titration method
GB/T 24101-2018 Limit and determination of 4-aminoazobenzene in dye products
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

TR-TSE, Ammonia nitrogen content 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

Professional Standard - Commodity Inspection, Ammonia nitrogen content 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 3382-2012 Determination of non-protein-nitrogen content in milk and dairy products for export

KR-KS, Ammonia nitrogen content in water

KS M ISO 3332-2017 Ammonium sulphate for industrial use — Determination of ammoniacal nitrogen content — Titrimetric method after distillation
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

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

T/CCAS 008-2019 Analytical methods of the ammonia in fly ash for cement and concrete
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/CSEE 0289-2022 Electrode method for determination of ammonia content in coal-fired power plant ash
T/GDASE 0009-2020 Determination of the content of carbon, hydrogen, oxygen, nitrogen and sulfur in graphene
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/CHBAS 14-2021 Determination of amino acids content in milk powder High performance liquid chromatography
T/NXCL 023-2023 Determination of hydrogen and nitrogen in Beryllium— Inert gas fusion infrared absorption/ thermal conductivity method
T/GXAF 0010-2023 Spectrophotometric method for the determination of free amino acid content in water-soluble fertilizers
T/SDAQI 064-2021 Determination of urea content in diesel engines NOx reduction agent - Aqueous urea solution by refractive index
T/CNFAGS 6-2023
T/SXCIES 002-2020 Crude benzol- Determination of moisture content

Professional Standard - Chemical Industry, Ammonia nitrogen content in water

HG/T 2409-1992 Determination of isoamyl ester group content in polyurethane prepolymer

Professional Standard - Petrochemical Industry, Ammonia nitrogen content in water

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

Professional Standard - Light Industry, Ammonia nitrogen content in water

QB/T 2409-1998 Determination of amino acid content in cosmetics

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

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

TH-TISI, Ammonia nitrogen content in water

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

BE-NBN, Ammonia nitrogen content in water

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 03-093-1988 Liquefied anhydrous ammonia for industrial use - Détermination of water content - Gas chromatographic 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 V 21-008-1977 Gravimetrie determination of the water content of dried milk
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 T 95-301-1977 Determination of the nitrogen oxides content of flue gasses -Photometrie method with chromotropic acid
NBN-EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method

ES-UNE, Ammonia nitrogen content 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-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.)
UNE-EN 1141:1995 FRUIT AND VEGETABLE JUICES. SPECTROMETRIC DETERMINATION OF PROLINE CONTENT.

农业农村部, Ammonia nitrogen content in water

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

American National Standards Institute （ANSI), Ammonia nitrogen content 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

ES-AENOR, Ammonia nitrogen content in water

UNE 59-018-1986
UNE 80-217-1991 Methods of testing cement. Determination of the chloride, carbon dioxide and alcali content of cement

AT-ON, Ammonia nitrogen content in water

ONORM DIN 10334-1994 Determination of nitrogen content of milk according to Kjeldahl and calculation of crude protein content
ONORM DIN 10321-1993 Determination of water content of dried milk
ONORM DIN 10317-1993 Determination of water content of butter

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

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

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

DB34/T 3690-2020 Determination of carbon dioxide and nitrogen content in liquefied petroleum gas
DB3418/T 005-2019 Determination of moisture content in ink sticks

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

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

国家能源局, Ammonia nitrogen content in water

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

PL-PKN, Ammonia nitrogen content in water

PN C04593-1971 Water and waste water Determination of formaldehyde content
PN C04288-12-1987 Technical fats Methods of testing Determination of water content
PN C04587 ArkusZ02-1973 Water and waste water Tests for sodium Determination of sodium by titrimetric method
PN Z04009-04-1993 Air purity protection. Tests for content of nitrogen and its compounds. Determination of nitrates in dust in ambient air (imission) by spectrophotometric method with sodium salicilate
PN C87070-03-1992 Fertilizers Test of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of arsenie
PN C87070-04-1992 Fertilizers Tests of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of cadmium
PN C87070-05-1992 Fertilizers Tests of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of lead
PN C87070-06-1992 Fertilizers Tests of arsenie, cadmium, lead and mercury in nitrogenous and phosphatic fertilizers Determination of mercury

NO-SN, Ammonia nitrogen content in water

NS 4869-1985 Air quality - Nitrogen dioxide content in workplace atmosphere - Colometric metod
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

Professional Standard - Energy, Ammonia nitrogen content in water

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

Professional Standard - Electricity, Ammonia nitrogen content 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 - Aviation, Ammonia nitrogen content in water

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

(U.S.) Ford Automotive Standards, Ammonia nitrogen content in water

FORD WSK-M6J160-A1-1991 PRIMER SURFACER, COLOURED, PU-MODIFIED POLYESTER, MEDIUM SOLID, 165 C BAKING TEMPERATURE

International Truck and Engine Corporation (ITEC), Ammonia nitrogen content in water

INTERN CEMS BT-38-2009 Test For Water Content In Air Conditioner Refrigerant