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Determination method of nitrite nitrogen

Determination method of nitrite nitrogen, Total:417 items.

In the international standard classification, Determination method of nitrite nitrogen involves: Soil quality. Pedology, Fertilizers, Farming and forestry, Water quality, Vocabularies, Analytical chemistry, Test conditions and procedures in general, Meat, meat products and other animal produce, Animal feeding stuffs, Inorganic chemicals, Environmental testing, Milk and milk products, Biology. Botany. Zoology, Environmental protection, Footwear, Products of the chemical industry, General methods of tests and analysis for food products, Tobacco, tobacco products and related equipment, Ferrous metals, Geology. Meteorology. Hydrology, Paint ingredients, Non-metalliferous minerals, Rubber and plastics products, Metalliferous minerals, Beverages, Non-ferrous metals, Fruits. Vegetables, Ferroalloys, Equipment for entertainment, Coals, External water conveyance systems, Food products in general, Photography, Wastes, Equipment for children, Spices and condiments. Food additives, Prepackaged and prepared foods, Rubber.

FI-SFS, Determination method of nitrite nitrogen

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

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

GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 3597-2002 Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method
GB/T 32737-2016 Determination of nitrate nitrogen in soil - Ultraviolet spectrophotometry method
GB/T 13085-1991 Method for determination of nitrite in feeds
GB 6912.2-1986 Determination of nitrate and nitrite - Nitrite UV photometric method
GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites
GB 6912.1-1986 Determination of nitrate and nitrite - Nitrate UV photometric method
GB/T 13085-2005 Determination of nitrite in feeds-Method using colorimetric analysis
GB/T 6912.1-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrates
GB/T 6912-2008 Analysis of water used in boiler and cooling system.Determination of nitrite
GB/T 223.58-1987 Methods for chemical analysis of iron,steel and alloy--The sodium arsenite-sodium nitrite titrimetric method for the determination of manganese content
GB 223.58-1987 Methods for chemical analysis of iron, steel and alloys Sodium arsenite-sodium nitrite titration for the determination of manganese content
GB 6912.3-1986 Determination of nitrate and nitrite a-naphthylamine hydrochloride spectrophotometric method
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 12143.2-1989 Determination method for amino nitrogen content in fruit and vegetable juice beverages--Formol number
GB/T 24800.13-2009 Determination of nitrite in cosmetics by ion chromatography method
GB/T 6912.1-2006 Methods for analysis of water for boiler and for cooling. Determination of nitrates and nitrites. Part 1: Ultraviolet spectrophotometry for nitrates
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 6730.38-1986 Methods for chemical analysis of iron ores--The nitroso-R salt photometric method for the determination of cobalt content
GB 6730.3-1986 Method for chemical analysis of iron ore by nitroso-R salt photometric method for determination of cobalt content
GB 6730.38-1986 Method for chemical analysis of iron ore by nitroso-R salt photometric method for determination of cobalt content
GB/T 24583.1-2009 Vanadium-Nitrogen alloy.Determination of vanadium content.The ammonium ferrous sulfate titration method
GB/T 4701.4-2008 Ferrotitanium. Determination of manganese content. Arsenite-salt and sodium-salt titrimetric method and periodate photometric method
GB/T 26322-2010 Examination of nitrite bacteria in industrial circulating cooling water.MPN test
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 3600-2000 Fertilizers-Determination of ammoniacal nitrogen content-Formaldehyde method
GB/T 19227-2008 Determination of nitrogen in coal
GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Alpha-naphthylamine hydrochloride photometric method
GB 223.22-1982 Chemical analysis of iron,steel and alloy--The determination of cobalt by the nitroso-R salt photometric method
GB/T 10505.3-1989 Determination of static absorbed ethene and nitrogen for molecular sieve 3A
GB 10505.3-1989 3A Molecular Sieve Static Ethylene and Nitrogen Adsorption Determination Method
GB/T 13580.5-1992 Determination of fluoride,chloride,ntrite,nitrate,salfate in the wet precipitation.Ion chromotography
GB/T 29669-2013 Determination of 10 volatile nitrosamines including N-nitrosodimethylamine in cosmetics.Gas chromatography tandem mass spectrometry
GB/T 3595-2000 Fertilizers-Determination of ammoniacal nitrogen content-Titrimetric method after distillation
GB/T 41965-2022 Photography—Processing waste—Determination of total amino nitrogen(microdiffusion Kjeldahl method)
GB/T 3598-1983 Fertilizers--Determination of urea nitrogen content--Urease method
GB/T 2441.1-2001 Determination of urea-Determination of total nitrogen content
GB/T 13882-2002 Determination of iodine in feeds(Ferric thiocyanate-nitric acid catalytic kinetic method)
GB/T 13882-2010 Determination of iodine in feeds.Ferric thiocyanate-nitric acid catalytic kinetic method
GB/T 8638.7-1988 Nickel base alloy powder--Determination of cubit content--Nitroso-R salt spectrophotometric method
GB/T 223.22-1994 Methods for chemical analysis of iron ,steel and alloy.The nitroso-R-salt spectrophotometric method for the determination of cobalt content
GB/T 13747.8-1992 Zirconium and zirconium alloys--Determination of cobalt content--1-nitroso-2-hydroxy-3.6-naphthalene-disulfonic acid(sodium salt) spectrophotometric method

Korean Agency for Technology and Standards (KATS), Determination method of nitrite nitrogen

KS M ISO 4176-2006(2011) Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS M ISO 4176:2012 Fertilizers－Determination of nitrate nitrogen content－Nitron gravimetric method
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS M ISO 5313:2007 High nitrogen content, straight ammonium nitrate fertilizers-Determination of oil retention
KS M ISO 5313:2013 High nitrogen content, straight ammonium nitrate fertilizers－Determination of oil retention
KS H ISO 4099:2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099:2006 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2006 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 6736:2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS E ISO 316:2011 Manganese ores-Determination of cobalt content-Nitroso-R-salt photometric method
KS E ISO 316:2013 Manganese ores－Determination of cobalt content－Nitroso-R-salt photometric method
KS I ISO 6777:2007 Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS I ISO 6777-2007(2017) Water quality－Determination of nitrite－Molecular absorption spectrometric method
KS M ISO 5314-2007(2012) Fertilizers－Determination of ammoniacal nitrogen content－Titrimetric method after distillation
KS H ISO 22303-2012(2017) Tobacco－Determination of tobacco specific nitrosamines－Method using buffer extraction
KS H ISO 22303-2012(2022) Tobacco－Determination of tobacco specific nitrosamines－Method using buffer extraction
KS D 2555-1995 Methods for determination of nitrogen in tantalum
KS D 2555-2015 Methods for determination of nitrogen in tantalum
KS M ISO 10130-2014(2019) Cosmetics — Analytical methods — Nitrosamines: Detection and determination of N-nitrosodiethanolamine(NDELA) in cosmetics by HPLC, post-column photolysis and derivatization
KS H ISO 6740:2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6740:2006 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS M ISO 6851:2002 Photography-Processing waste-Determination of total amino nitrogen-Microdiffusion Kjeldahl method
KS H ISO 6739:2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739:2006 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 19290:2018 Cigarettes － Determination of tobacco specific nitrosamines in mainstream cigarette smoke － Method using LC-MS/MS
KS D 1811-1993 Methods for determination of nitrogen in iron and steel
KS D 2555-2020 Determination of nitrogen in tantalum
KS D 1811-2003(2018) Methods for determination of nitrogen in iron and steel
KS H ISO 22303:2012 Tobacco－Determination of tobacco specific nitrosamines－Method using buffer extraction
KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS M 1992-2008(2018) Child use and care articles－Methods for determining the release of N-Nitrosamines and N-Nitrosatable substances from elastomer or rubber teats and soothers

Tianjin Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

DB12/T 512-2014 Determination method of nitrate nitrogen in soil samples

Professional Standard - Agriculture, Determination method of nitrite nitrogen

NY/T 1116-2014 Fertilizers.Determination of nitrate nitrogen, ammonium nitrogen, amide nitrogen contents
GB 3597-1983 Determination of nitrate nitrogen content in fertilizers Nitrogen reagent gravimetric method
GB/T 5009.33-1996 Determination method of nitrite and nitrate in food
GB 13085-1991 Determination method of nitrite in feed
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
GB/T 5009.26-1996 Determination method of N-nitrosamines in food
GB 13025.10-1991 Determination of Ferrous Potassium Nitride General Test Method for Salt Industry
NY/T 1375-2007 Determination of Nitrite and Nitrate in Plant Products Ion Chromatography Method
GB/T 13882-1992 Determination method of iodine in feedstuffs Ferric thiocyanate-nitrous acid catalytic kinetic method
GB 10511-1989 Determination of total nitrogen content in nitrophosphate fertilizers Titration after distillation
GB 3595-1983 Determination of ammonia nitrogen content in fertilizers Titration method after distillation
GB 3598-1983 Determination of Urea Nitrogen Content in Fertilizers Urease Method

Association Francaise de Normalisation, Determination method of nitrite nitrogen

NF U42-142*NF EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda
NF EN ISO 13395:1996 Qualité de l'eau - Détermination de l'azote nitreux et de l'azote nitrique et de la somme des deux par analyse en flux (CFA et FIA) et détection spectrométrique
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 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 U42-141:1984 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.
NF T20-296:1970 Chemical analysis of sulphuric acid and oleums. Determination of nitrous nitrogen and nitric nitrogen.
FD T75-637*FD ISO/TR 14735:2013 Cosmetics - Analytical methods - Nitrosamines : technical guidance document for minimising and determining N-nitrosamines in cosmetics
NF ISO 22863-10:2021 Artifices de divertissement - Méthodes d'essai pour la détermination de substances chimiques spécifiques - Partie 10 : taux d'azote dans la nitrocellulose par titration de l'ion sulfate de fer (II)
NF ISO 15819:2014 Cosmétiques - Méthodes analytiques - Nitrosamines : recherche et dosage de la N-nitrosodiéthanolamine (NDELA) dans les produits cosmétiques par CLHP-SM-SM
NF V04-291:1989 WHEY CHEESE. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND SPECTROMETRY.
NF EN 12014-4:2005 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 4 : détermination par chromatographie ionique (CI) de la teneur en nitrates et en nitrites dans les produits carnés
NF V04-292:1986 Dried whey. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V04-290:1985 Cheese. Determination of nitrate and nitrite contents. Method by cadmium reduction and photometry.
NF V04-351:1985 DRIED MILK. DETERMINATION OF NITRATE AND NITRITE CONTENTS. METHOD BY CADMIUM REDUCTION AND PHOTOMETRY.
NF V03-010-4*NF EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4 : ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
NF ISO 10130:2010 Cosmétiques - Méthodes analytiques - Nitrosamines : recherche et dosage de la N-nitrosodiéthanolamine (NDELA) dans les cosmétiques par CLHP, photolyse et dérivation post-colonne
NF T20-286:1982 Nitric acid for industrial use. Determination of ammoniacal nitrogen content. Spectrophotometric method.
NF T75-632*NF ISO 10130:2010 Cosmetics - Analytical methods - Nitrosamines : detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC, post-column photolysis and derivitization.
NF EN 12014-2:2017 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 2 : méthode de détermination par CLHP/CI de la teneur en nitrates des légumes et des produits à base de légumes
NF V04-409:1974 Meat and meat products. Determination of nitrite content (reference method).
NF EN 12868:2017 Articles de puériculture - Méthode pour déterminer la libération de N-nitrosamines et de substances N-nitrosables par les tétines et les sucettes en élastomère ou en caoutchouc
NF T90-042:1995 Water quality - Determination of dissolved fluoride, chloride, nitrite, orthophosphate, bromide, nitrate and sulfate ions, using liquid chromatography of ions - Part 1 : method for water with low contamination.
NF V04-390:1988 Caseins and caseinates. Determination of nitrate and nitrite contents. Method by cadmium reduction and spectrometry.
NF V37-199:2017 Cigarettes - Determination of tobacco specific nitrosamines in mainstream cigarette smoke - Method using LC-MS/MS
NF V37-199*NF ISO 19290:2021 Cigarettes - Determination of tobacco specific nitrosamines in mainstream cigarette smoke - Method using LC-MS/MS
NF T75-631:2008 Cosmetics - Analytical methods - Nitrosamines : Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC-MS-MS.
NF T75-631*NF ISO 15819:2014 Cosmetics - Analytical methods - Nitrosamines : detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC-MS-MS
NF V37-040*NF ISO 22303:2008 Tobacco - Determination of tobacco specific nitrosamines - Method using buffer extraction
NF ISO 22303:2008 Tabac - Dosage des nitrosamines spécifiques du tabac - Méthode d'extraction par solution tampon
NF EN 12014-5:1997 Produits alimentaires - Détermination de la teneur en nitrates et/ou en nitrites - Partie 5 : détermination enzymatique de la teneur en nitrates des aliments à base de légumes pour bébés et petits enfants.
NF V03-010-2*NF EN 12014-2:2017 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
NF V03-010-2:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 2 : HPLC/IC method for the determination of nitrate content of vegetables and vegetable products.
NF V03-010-5*NF EN 12014-5:1997 Foodstuffs. Determination of nitrate and/or nitrite content. Part 5 : enzymatic determination of nitrate content of vegetable containing food for babies and infants.

British Standards Institution (BSI), Determination method of nitrite nitrogen

BS EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS 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 4267-7:1987 Ammonium nitrate - Methods for determination of nitrite content
14/30313910 DC BS ISO 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS 4267-2:1988 Ammonium nitrate - Method for determination of total nitrogen content
BS 4267-1:1988 Ammonium nitrate - Method for determination of ammoniacal nitrogen content
BS ISO 22303:2009 Tobacco. Determination of tobacco specific nitrosamines. Method using buffer extraction
BS ISO 22303:2008 Tobacco - Determination of tobacco specific nitrosamines - Method using buffer extraction
BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
19/30401664 DC BS ISO 22863-10. Fireworks. Test methods for determination of specific chemical substances. Part 10. Nitrogen content in nitrocellulose by Iron(II) sulfate titration
PD ISO/TR 14735:2013 Cosmetics. Analytical methods. Nitrosamines: Technical guidance document for minimising and determining N-nitrosamines in cosmetics
DD ENV 12014-4-1998 Foodstuffs. Determination of nitrate and/or nitrite content. Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
BS 770-9:1985 Methods for chemical analysis of cheese. Determination of nitrate and nitrite contents. Cadmium reduction and photometry method
BS 5551-3.4:1987 Fertilizers. Physical properties. Method for determination of oil retention of high nitrogen content, straight ammonium nitrate fertilizers
BS 1728-9:1957 Methods for the analysis of aluminium and aluminium alloys - Determination of manganese (volumetric: arsenite/nitrite method)
BS DD ISO/TS 22304:2009 Tobacco - Determination of tobacco specific nitrosamines - Method using alkaline dichloromethane extraction
BS 1743 Sec.16.1:1983 Methods for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Method for dried milk by cadmium reduction
BS EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using cadmium reduction and spectrometry
BS ISO 22863-10:2021 Fireworks. Test methods for determination of specific chemical substances. Nitrogen content in nitrocellulose by iron(II) sulfate titration
BS 1743 Sec.16.3:1987 Method for analysis of dried milk and dried milk products. Determination of nitrate and nitrite contents. Screening method for nitrate content by cadmium reduction and spectrometry
BS ISO 10130:2010 Cosmetics. Analytical methods. Nitrosamines. Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC, post-column photolysis and derivatization
BS ISO 10130:2009 Cosmetics - Analytical methods - Nitrosamines - Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC, post-column photolysis and derivatization
BS EN 12014-2:1997 Foodstuffs - Determination of nitrate and/or nitrite content - HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
BS EN 26777:1993 Water quality. Physical, chemical and biochemical methods. Determination of nitrite: molecular absorption spectrometric method
BS 4401-8:1976 Methods of test for meat and meat products - Determination of nitrite content
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS ISO 15819:2008 Cosmetics - Analytical methods - Nitrosamines - Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC-MS-MS
BS ISO 15819:2014 Cosmetics. Analytical methods. Nitrosamines: Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC-MS-MS
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN 26777:1984 Water quality - Physical, chemical and biochemical methods - Determination of nitrite: molecular absorption spectrometric method
23/30444433 DC BS ISO 7158. Meat and meat products. Determination of nitrite and nitrate content. Ion chromatography method
BS 5551-4.1.3:1986 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of total nitrogen content (titrimetric method after distillation)

Japanese Industrial Standards Committee (JISC), Determination method of nitrite nitrogen

JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0400-43-30:2000 Water quality -- Determination of nitrite -- Molecular absorption spectrometric method
JIS H 1685:2000 Method for determination of nitrogen in tantalum
JIS H 1685:1976 Methods for determination of nitrogen in tantalum

BE-NBN, Determination method of nitrite nitrogen

NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 03-055-1979 Ammonium nitrate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 03-069-1979 Ammonium sulphate for industrial use - Determination of ammoniacal nitrogen content - Titrimetric method after distillation
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 03-037-1979 Nitric acid for industrial use - Determination of nitrous compounds -- Titrimetric method
NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN V 21-027-1982 Cheese - Determination of nitrate and nitrite contents - Reference method
NBN-EN 26777-1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)
NBN V 21-028-1982 Dried milk and whey powder - Determination of nitrate and nitrite contents -Reference method
NBN T 03-056-1979 Ammonium nitrate for industrial use - Determination of total nitrogen content - Titrimetric method after distillation
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

International Organization for Standardization (ISO), Determination method of nitrite nitrogen

ISO 4176:1981 Fertilizers; Determination of nitrate nitrogen content; Nitron gravimetric method
ISO 2991:1974 Nitric acid for industrial use; Determination of ammoniacal nitrogen content; Spectrophotometric method
ISO 3330:1975 Ammonium nitrate for industrial use; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 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 1981:1977 Nitric acid for industrial use; Determination of nitrous compounds; Titrimetric method
ISO 6740:1985 Dried whey; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 4099:1978 Cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 6736:1982 Dried milk; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 3331:1975 Ammonium nitrate for industrial use — Determination of total nitrogen content — Titrimetric method after distillation
ISO 6777:1984 Water quality; Determination of nitrite; Molecular absorption spectrometric method
ISO/TR 14735:2013 Cosmetics - Analytical methods - Nitrosamines: Technical guidance document for minimizing and determining N-nitrosamines in cosmetics
ISO 5314:1981 Fertilizers; Determination of ammoniacal nitrogen content; Titrimetric method after distillation
ISO 6739:1982 Whey cheese — Determination of nitrate and nitrite contents — Method by cadmium reduction and photometry
ISO 4099:1984 Cheese; Determination of nitrate and nitrite contents; Method by cadmium reduction and photometry
ISO 6739:1988 Whey cheese; determination of nitrate and nitrite contents; method by cadmium reduction and spectrometry
ISO/DIS 7158 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO/FDIS 7158:2023 Meat and meat products — Determination of nitrite and nitrate content — Ion chromatography method
ISO 316:1982 Manganese ores; Determination of cobalt content; Nitroso-R-salt photometric method
ISO 2918:1975 Meat and meat products; Determination of nitrite content (Reference method)
ISO 10130:2009 Cosmetics - Analytical methods - Nitrosamines: Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC, post-column photolysis and derivatization
ISO 8195:1987 Caseins and caseinates; Determination of nitrate and nitrite contents; Method by cadmium reduction and spectrometry
ISO 15819:2008 Cosmetics - Analytical methods - Nitrosamines: Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC-MS-MS
ISO 15819:2014 Cosmetics - Analytical methods - Nitrosamines: Detection and determination of N-nitrosodiethanolamine (NDELA) in cosmetics by HPLC-MS-MS
ISO 22303:2008 Tobacco - Determination of tobacco specific nitrosamines - Method using buffer extraction
ISO 6853:2001 Photography - Processing waste - Determination of ammoniacal nitrogen (microdiffusion method)
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method

German Institute for Standardization, Determination method of nitrite nitrogen

DIN EN 15558:2009-06 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; German version EN 15558:2009
DIN CEN/TS 15750:2008 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version CEN/TS 15750:2008
DIN CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version CEN/TS 15604:2007
DIN EN 15604:2009-06 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen; German version EN 15604:2009 / Note: To be replaced by DIN EN ISO 15604 (2019-06).
DIN EN 12014-4:2005-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN 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 (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN 26777:1993 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN 12014-2:2018-02 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:2017
DIN EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
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 EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005
DIN EN ISO 14673-2:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004); German version EN ISO 14673-2:2004
DIN EN 26777:1993-04 Water quality; determination of nitrite; molecular absorption spectrometric method (ISO 6777:1984); german version EN 26777:1993
DIN EN ISO 14673-1:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN EN ISO 14673-1:2004-05 Milk and milk products - Determination of nitrate and nitrite contents - Part 1: Method using cadmium reduction and spectrometry (ISO 14673-1:2004); German version EN ISO 14673-1:2004
DIN 19746:2005 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN 19746:2005-06 Soil quality - Determination of mineral nitrogen (nitrat and ammonium) in soil profiles (Nmin laboratory method)
DIN EN 12014-5:1997-08 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997
DIN EN 12868:2017-04 Child use and care articles - Method for determining the release of N-nitrosamines and N-nitrosatable substances from elastomer or rubber teats and soothers; German version EN 12868:2017

NO-SN, Determination method of nitrite nitrogen

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

Xinjiang Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

DB65/T 602.4-2001 The determinanation of nitrate nitrogen in soil
DB65/T 602.3-2001 The determinanation of ammonium nitrogen in soil

CZ-CSN, Determination method of nitrite nitrogen

CSN 65 4833-1982 Minerál Fertilizers Determination of Nitrie Nitrogen by Titrimetric Method
CSN 66 8102 Cast.28-1997
CSN 66 8102 Cast.17-1997
CSN 57 0158-1986 Testing methods for meat products and canned sterilized food. Determination of nitrite and nitrate content
CSN 66 8102 Cast.28-1978 Smokeless powders. Methods of testing. Determination of nitrocellulose-nitrogen in double-base powders
CSN 65 0176 Cast.7-1979 Testing methods for tarch. Determination of nitrogen

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

GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
GB 13580.5-1992 Determination of fluoride,chloride,ntrite nitrate,salfate in the wet precipitation-Ion chromotography

Shandong Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

DB37/T 1897-2011 Determination of Soil Nitrate Nitrogen by Ion Chromatography

European Committee for Standardization (CEN), Determination method of nitrite nitrogen

PD CEN/TS 15750:2008 Fertilizers - Determination of different forms of nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
EN 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 26777:1993 Water Quality - Determination of Nitrite - Molecular Absorption Spectrometric Method (ISO 6777: 1984)
prEN 26777-1992 Water quality; determination of nitrate; molecular absorption spectrometric method (ISO 6777:1984)
EN 12014-4:2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products

Professional Standard - Forestry, Determination method of nitrite nitrogen

LY/T 1230-1999 Determination of nitrate nitrogen in forest soil

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

GJB 770.308-1990 Test methods for gunpowder analysis Determination of nitrogen content of nitrocellulose Ferrous iron-titanium chloride method
GJB 337-1987 Determination method of nitrogen content of nitrocellulose (interferometer method)
GJB 337-1987(XG1-2015) Modification sheet 1-2015 for determination method of nitrogen content of nitrocellulose
GJB 770.303-1989 Test methods for gunpowder analysis: Determination of nitrogen content of nitrocellulose. Five-tube nitrogen meter method
GJB 8682.11-2015 Methods of chemical analysis of pyrotechnics Part 11: Determination of barium nitrate content and nitrogen determination method

Professional Standard - Environmental Protection, Determination method of nitrite nitrogen

HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ 809-2016 Water quality—Determination of nitrosamine compounds —Gas chromatography
HJ/T 198-2005 Water quality - Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 346-2007 Water quality. Determination of nitrate-nitrogen. Ultraviolet spectrophotometry

Jilin Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

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

Yunnan Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration
DB53/T 917-2019 Determination methods of carbon-nitrogen ratio, self-heating, ammonium-nitrate ratio and germination index in organic fertilizer maturity

YU-JUS, Determination method of nitrite nitrogen

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method
JUS H.B8.286-1983 Fertilizers. Determination of content nitrat-nitrogen. Volumetric method
JUS H.B8.817-1992 Straight ammonium nitrate fertilizers of high nitrogen content - Determination of the particle size (granulometry)

RU-GOST R, Determination method of nitrite nitrogen

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 10671.3-1974 Reagents. Methods for determination of nitrites
GOST 8558.1-2015 Meat products. Methods for determination of nitrite
GOST 27753.7-1988 Greenhouse grounds methods for determination of nitrate nitrogen
GOST R 51460-1999 Cheese. Method for determination of nitrate and nitrite contents
GOST 10671.3-2016 Reagents. Methods for determination of nitrites impurity
GOST 8558.1-1978 Meat products. Methods for determination of nitrit
GOST 30181.3-1994 Mineral fertilizers. Method for determination of mass fraction of nitrogen in fertilizers with nitrate nitrogen
GOST 29299-1992 Meat and meat products. Determination of nitrite content
GOST 30181.9-1994 Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
GOST 14839.9-1969 Industrial explosives. Method for determination of nitroamines (hexogen) content
GOST 32257-2013 Milk and milk products. Method for determination of nitrate and nitrite contents
GOST 13496.19-2015 Feeds, mixed feeds and raw material. Methods for determination of nitrate and nitrite
GOST R 50706.2-1994 Nitric acid for industrial use. Determination of nitrous compounds. Titrimetric method
GOST EN 12014-3-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3. Spectrophotometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite
GOST EN 12868-2013 Child and care articles. Child teats and soothers. Test methods for determining N-Nitrosamines and N-Nitrosatable substances
GOST R 50465-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrate and nitrite determination
GOST EN 12014-4-2015 Foodstuffs. Determination of nitrate and/or nitrite content. Part 4. Determination of nitrate and nitrite content in meat products by ion-exchange chromatographic method
GOST R 51454-1999 Caseins and caseinates. Method of determination of nitrate and nitrite contents
GOST 29302-1992 Ammonium nitrate for industrial use. Method for determination of total nitrogen content (titrimetric) after distillation
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 29288-1992 Fertilizers with high content of nitrogen. Ammonium nitrate. Method for determination of the ability to suppress the lubricant
GOST 13020.7-1985 Metallic chrome. Methods for determination of nitrogen
GOST 9853.1-1979 Sponge titanium. Method for the determination of nitrogen
GOST 10671.2-1974 Reagents. Methods for determination of nitrates
GOST 33294-2015 Food additives. Methods for determination of the main substance in the food additive potassium nitrite E249
GOST 33045-2014 Water. Methods for determination of nitrogen-containing matters
GOST 14338.4-1982 Molybdenum. Methods for determination of nitrogen, oxygen and hydrogen
GOST 14339.4-1982 Tungsten. Methods for the determination of nitrogen, oxygen, hydrogen

Professional Standard - Urban Construction, Determination method of nitrite nitrogen

CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

VN-TCVN, Determination method of nitrite nitrogen

TCVN 2323-1978 Reagents.Methods for the determination of nitrites
TCVN 6178-1996 Water quality.Determination of nitrite.Molecular absorption spectrometric 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
TCVN 6180-1996 Water quality.Determination of nitrate.Spectrometric method using sulfosalicylic acid sunfosalixilic
TCVN 6268-1-2007 Milk and milk products.Determination of nitrate and nitrite contents.Part 1: Method using cadmium reduction and spectrometry
TCVN 2318-1978 Reagents.Methods for the determination of nitrates
TCVN 7814-2007 Foodstuffs.Determination of nitrate and/or nitrite content.Part 2: HPLC/LC method for the determination of nitrade content of vegetables and vegetable products

Group Standards of the People's Republic of China, Determination method of nitrite nitrogen

T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/ZFL 022-2023 Detection method of nitrate nitrogen and ammonium nitrogen uptake in root hair cells of Arabidopsis thaliana based on non-invasive micro-measurement technology
T/ZFL 022-2022 Detection method of nitrate nitrogen and ammonium nitrogen uptake in root hair cells of Arabidopsis thaliana based on non-invasive micro-measurement technology
T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method
T/QAS 037-2021 Spectrophotometric method for the determination of nitrite in brine
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry

Indonesia Standards, Determination method of nitrite nitrogen

SNI 06-2484-2002 Test methods for nitrite content in water by colorymetry
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry
SNI 4146-2013

PL-PKN, Determination method of nitrite nitrogen

PN C04576-10-1986 Water and waste water Tests for nitrogen Determination of nitrate nitrogen by potentiometric method with ion selective electrode
PN C04576 ArkusZ06-1973 Water and waste waiter Tests for nitrogen Deterrninatian of nitrite by colo- rime?ric method with sulphanilic aicid and 1-naphty lamin?
PN H04730-1971 Method of mercurous nitrat test for copper alloys
PN Z04092 Arkusz 01-1974 Air purity protectlon Tests tor nitric acid and nitrogen oxides Determination of nitric acid and total amount of nitric acid and nitrogen oxides in the work station by the colorimetric method with phenoldisulphonic acid
PN-EN 17041-2018-07 P Fertilizers--Determination of boron in concentrations ≤ 10 % using spectrometry with azomethine-H
PN-EN 12014-2-2018-01 P Foodstuffs--Determination of nitrate and/or nitrite content--Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
PN Z04199-02-1988 Air purity protection ests for iV-nitrosoamines etermination f N-nitrosodimethylamine n work places by gas chromatography ith sample enrichment

PH-BPS, Determination method of nitrite nitrogen

PTS 86-1970 Method of Test for the Determination of Armoniacal Nitrogen
PTS 83-1970 Method of Test for the Determination of Nitrogen Content of Nitrate-Free Fertilizers

未注明发布机构, Determination method of nitrite nitrogen

BS 4267-7:1987(1999) Ammonium nitrate — Part 7 : Methods for determination of nitrite content
BS 4267-2:1988(1999) Ammonium nitrate — Part 2 : Method for determination of total nitrogen content
BS 4267-1:1988(1999) Ammonium nitrate — Part 1 : Method for determination of ammoniacal nitrogen content

TR-TSE, Determination method of nitrite nitrogen

TS 2466-1976 Nitric Acit For Industrial Use Determination of Ammoniacal Nitrogen Content Spectrophotoraetric Method
TS 3137-1978 Meat And Meat Products - Determination Of Nitrite Content (Reference Method)

Danish Standards Foundation, Determination method of nitrite nitrogen

DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 22863-10:2021 Fireworks – Test methods for determination of specific chemical substances – Part 10: Nitrogen content in nitrocellulose by iron(II) sulfate titration
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 26777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method
DS/EN 12014-4:2005 Foodstuffs – Determination of nitrate and/or nitrite content – Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
DS/EN 26777:2003 Water quality - Determination of nitrite - Molecular absorption spectrometric method
DS/EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2:HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
DS/ISO 22303:2008 Tobacco - Determination of tobacco specific nitrosamines - Method using buffer extraction
DS/EN 12868/AC:2002 Child use and care articles - Methods for determining the release of N-Nitrosamines and N-Nitrosatable substances from elastomer or rubber teats and soothers
DS/EN 12868:2000 Child use and care articles - Methods for determining the release of N-Nitrosamines and N-Nitrosatable substances from elastomer or rubber teats and soothers
DS/EN 12014-5:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

ZA-SANS, Determination method of nitrite nitrogen

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
SANS 6777:1984 Water quality - Determination of nitrite - Molecular absorption spectrometric method

GOSTR, Determination method of nitrite nitrogen

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

American Society for Testing and Materials (ASTM), Determination method of nitrite nitrogen

ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D8456-22 Standard Test Method for Determination of Nitrosamines in Water by Liquid Chromatography Tandem Mass Spectrometry (LC-MS/MS)

Professional Standard - Chemical Industry, Determination method of nitrite nitrogen

HG/T 4488-2012 The calculation method of N<下标2>O emission in nitric acid production
HG 5-1509-1985 Determination method of nitrite ion in industrial circulating cooling water
HG/T 3526-1985 Determination method of nitrite ion in industrial circulating cooling water
HG/T 3526-2003 Industrial circulating cooling water-Determination of nitrite-Molecular absorption spectrometric method

Sichuan Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

DB51/T 2105.2-2016 Footwear chemical test methods for the determination of N-nitrosamines

Professional Standard - Coal, Determination method of nitrite nitrogen

MT/T 251-2000 Determination method of nitrite ion in coal mine water
MT 251-1991 Determination method of nitrite ion in coal mine water

Lithuanian Standards Office , Determination method of nitrite nitrogen

LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
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 12014-4-2005 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
LST EN 12014-2-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
LST ISO 2918:1997 Meat and meat products. Determination of nitrite content (Reference method)
LST EN 26777-1999 Water quality - Determination of nitrite - Molecular absorption spectrometric method (ISO 6777:1984)
LST EN 12868-2000 Child use and care articles - Methods for determining the release of N-Nitrosamines and N-Nitrosatable substances from elastomer or rubber teats and soothers
LST EN 12868-2000/AC-2003 Child use and care articles - Methods for determining the release of N-Nitrosamines and N-Nitrosatable substances from elastomer or rubber teats and soothers
LST EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004)
LST EN 12014-5-2001 Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants

RO-ASRO, Determination method of nitrite nitrogen

SR ISO 4176:1981 Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method
STAS SR ISO 6777:1996 Water quality - Determination of nitrite - Molecular absorption spectrometric method
SR ISO 5314:1981 Fertilizers. Determination of ammoniaca! nitrogen content Titrimetric method after distillation

AENOR, Determination method of nitrite nitrogen

UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
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 12014-4:2006 Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products
UNE-EN 12014-2:1998 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE 34206:1981 SODIUM CHLORIDE. DETERMINATION OF NITRITE CONTENT. PERMANGANIMETRIC METHOD.
UNE-EN 26777:1994 WATER QUALITY. DETERMINATION OF NITRITE. MOLECULAR ABSORPTION SPECTROMETRIC METHOD. (ISO 6777:1984).
UNE-EN 12868:2000 Child use and care articles - Methods for determining the release of N-Nitrosamines and N-Nitrosatable substances from elastomer or rubber teats and soothers
UNE-EN 12014-5:1997 FOODSTUFFS. DETERMINATION OF NITRATE AND/OR NITRITE CONTENT. PART 5: ENZYMATIC DETERMINATION OF NITRATE CONTENT OF VEGETABLE-CONTAINING FOOD FOR BABIES AND INFANTS.
UNE-EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Part 2: Method using segmented flow analysis (Routine method) (ISO 14673-2:2004)

Professional Standard - Light Industry, Determination method of nitrite nitrogen

QB/T 4446-2012 General test method in salt industry.Determination of nitrite

IN-BIS, Determination method of nitrite nitrogen

Professional Standard - Commodity Inspection, Determination method of nitrite nitrogen

SN/T 3838-2014 Determination of N-nitrosamines and N-nitrosatable substances from condoms for import and export.Mass spectrometry method
SN/T 3151-2012 Determination of nitrate and nitrite in food for export.Ion chromatography

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

GB/T 13085-2018 Determination of nitrite in feeds—Colorimetry method
GB/T 24583.1-2019 Vanadium-nitrogen—Determination of vanadium content—Ammonium ferrous sulfate titration method
GB/T 39305-2020 Reclaimed water quality—Determination of fluoride,chloride,nitrite,nitrate,sulfate—Ion chromatography

Professional Standard - Water Conservancy, Determination method of nitrite nitrogen

SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Determination method of nitrite nitrogen

GB/T 35109-2017 Static test method of nitrogen and oxygen separation for molecular sieves
GB/T 6730.38-2017 Iron ores—Determination of cobalt content—Nltroso-R salt spectrophotometric method

NL-NEN, Determination method of nitrite nitrogen

NEN 3765-1981 Cheese - Physical and chemical test methods - Determination of the nitrate content (routine method)
NEN 3764-1981 Cheese - Physical and chemical test methods - Determination of the nitrite and the nitrate content (reference method)
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-ISO 6777:1993 Water quality. Determination of nitrite. Molecular absorption spectrometric method (ISO 6777:1984)

Professional Standard - Ocean, Determination method of nitrite nitrogen

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell

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

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

Professional Standard - Geology, Determination method of nitrite nitrogen

DZ/T 0064.60-1993 Spectrophotometric method for determination of nitrite radicals in groundwater quality testing
DZ/T 0064.60-2021 Analytical methods of groundwater quality - Part 60: Determination of nitrite spectrophotometric method

Standard Association of Australia （SAA）, Determination method of nitrite nitrogen

AS 2300.6.8:1997 Methods of chemical and physical testing for the dairying industry - Cheese - Determination of nitrate and nitrite in cheese by cadmium reduction and photometry

AT-ON, Determination method of nitrite nitrogen

ONORM DIN 10338-1992 Determination of nitrate and nitrite contents of cheese - Method by cadmium reduction

KR-KS, Determination method of nitrite nitrogen

KS H ISO 6736-2001 Dried milk－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS H ISO 4099-2001 Cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and photometry
KS E ISO 316-2011 Manganese ores－Determination of cobalt content－Nitroso-R-salt photometric method
KS H ISO 6740-2001 Dried whey－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 6739-2001 Whey cheese－Determination of nitrate and nitrite contents－Method by cadmium reduction and spectrometry
KS H ISO 19290-2018 Cigarettes － Determination of tobacco specific nitrosamines in mainstream cigarette smoke － Method using LC-MS/MS
KS D 1811-2003(2023) Methods for determination of nitrogen in iron and steel

ES-AENOR, Determination method of nitrite nitrogen

UNE 34-850-1986

ES-UNE, Determination method of nitrite nitrogen

UNE-EN 12014-2:2018 Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products
UNE-EN 12868:2018 Child use and care articles - Method for determining the release of N-nitrosamines and N-nitrosatable substances from elastomer or rubber teats and soothers

PT-IPQ, Determination method of nitrite nitrogen

NP 1846-2002 Meat and meat products Determination of nitrite content Reference method

工业和信息化部, Determination method of nitrite nitrogen

YB/T 4566.3-2016 Determination of vanadium content in iron vanadium nitride Ferrous ammonium sulfate titration method

Inner Mongolia Provincial Standard of the People's Republic of China, Determination method of nitrite nitrogen

DB15/T 1458-2018 Method for Determination of pH Value, Organic Acid and Ammonia Nitrogen in Silage

Professional Standard - Railway, Determination method of nitrite nitrogen

TB/T 2059.3-2006 Methods for analysis of diesel locomotive collants Part 3: Determination of sodium nitrite

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

SN/T 4694-2016 Determination of migration of N-nitrosamines and nitrosable substances in toy materials by gas chromatography-tandem mass spectrometry
SN/T 4451-2016 Determination of migrated N-nitrosamine content in infant pacifiers by gas chromatography-mass spectrometry
SN/T 4773-2017 Determination of migration of N-nitrosamines and N-nitroso compounds in toy materials by high performance liquid chromatography-tandem mass spectrometry

(U.S.) Ford Automotive Standards, Determination method of nitrite nitrogen

FORD FLTM AM 107-1-2001 DETERMINATION OF NITRITE IN ENGINE COOLANT BY ION CHROMATOGRAPHY

CEN - European Committee for Standardization, Determination method of nitrite nitrogen

EN ISO 14673-1:2001 Milk and Milk Products - Determination of Nitrate and Nitrite Contents - Part 1: Method Using Cadmium Reduction and Spectrometry

Professional Standard - Aviation, Determination method of nitrite nitrogen

HB 5422.14-1989 Copper Alloy Chemical Analysis Method Nitroso-R Salt Absorption Spectrophotometry Determination of Cobalt Content
HB 5220.26-1995 Determination of Cobalt Content by Nitroso R Salt Absorption Spectrophotometry Method for Chemical Analysis of Superalloys

National Information Standard Organization, Determination method of nitrite nitrogen

BS EN ISO 14673-2:2004 Milk and milk products - Determination of nitrate and nitrite contents - Method using segmented flow analysis (Routine method)

Professional Standard - Non-ferrous Metal, Determination method of nitrite nitrogen

YS/T 539.7-2006 Nickel-based alloy powder chemical analysis method Nitroso R salt spectrophotometric determination of cobalt content