Nitrogen in Mass Spectrometry

Nitrogen in Mass Spectrometry, Total:240 items.

The international standard classification for "Nitrogen in Mass Spectrometry" includes: Processes in the food industry , Testing of metals , Protection against crime , General methods of tests and analysis for food products , Soil quality and pedology in general , Textiles in general , Solid fuels , Biology. Botany. Zoology , Other materials , Cosmetics. Toiletries , Gases for industrial application , Beekeeping , Animal feeding stuffs , Vegetables and derived products , Farming and forestry , Water quality , Sugar and sugar products , Tobacco, tobacco products and related equipment .

The Chinese standard classification for "Nitrogen in Mass Spectrometry" includes: Food sanitation , Semimetal and semiconductor material analysis method , Crime judging technology , Basic standards and general methods , Soil and fertilizer in general , Coal analysis methods , Basic Subject in general , Other non-metal mine product , Cosmetics , Industrial gas and chemical gas , Beekeeping, silkworm keeping , Livestock and poultry feed and additive , Basic standards and general methods , Pesticide management and application method , Analysis methods for toxic substances in water , Sugar refining , Basic standards and general methods , Tobacco .

Professional Standard - Commodity Inspection

SN/T 4034-2014 Determination of naphthols in cosmetics for import and export - LC-MS/MS method
SN/T 0526-2015 Determination of piperonyl butoxide residues in foodstuffs for export. LC-MS/MS method
SN/T 3786.1-2014 Rapid screening method of banned azo-dye in tetile for import and export - Part 1: Gas chromatography-Mass-spectrography
SN/T 3607-2013 Determination of volatile nitrosamines in cosmetics―Gas chromatography-tandem mass spectrometry method
SN/T 2220-2008 Determination of benzodiazepine residues in food of animal origin for import and export - HPLC-MS/MS method
SN/T 5276-2020 Determination of multiple-allergens in foodstuff of export - LC-MS/MS method
SN/T 0654-2019 Determination of captan residues in fruits for Export GC and GC-MS/MS method
SN/T 4302-2015 Rapid determination of tris (1-aziridinyl) phosphine oxide (TEPA) in textiles - GC-MS method
SN/T 3853-2014 Determination of kojic acid in food for export - Liquid chromatogram-Mass spectrum or mass-spectrography
SN/T 0500-2022 Determination of dodine residue in fruits for export LC-MS/MS Method
SN/T 3649-2013 Determination of fluoroquinolones in feedstuff-LC-MS/MS method
SN/T 3865-2014 Determination of lycopene in health food for export - Liquid chromatogram-Mass spectrum or mass-spectrography
SN/T 1045.2-2002 Method for the determination of banned azo colourants in dyed textiles and leather products for import and export--Gas chromatography/mass spectrography method
SN/T 1923-2007 Determination of glyphosate residues in food for import and export - HPLC-MS/MS method
SN/T 1045.2-2010 Determination of banned azo colourants in dyed textiles and leather products for import and export—Part 2:Gas chromatography/mass spectrography method
SN/T 3847-2019 Determination of benzodiazepines residues in foodstuffs for export--LC-MS/MS method
SN/T 4319-2015 Determination of microcystins in aquatic products for export - LC-MS/MS method
SN/T 3937-2014 Determination of choline phosphate in drinks for export - LC-MS/MS method
SN/T 5147-2019 Determination of inositol in milk products LC-MS/MS method for export
SN/T 3123-2012 Determination of musk xylene in detergent products-Gas chromatography-tandem mass spectrometry
SN/T 4048-2014 Determination of quaternary ammonium compounds in food for export - LC-MS/MS method
SN/T 4146-2015 Determination of nonylphenol in cosmetics - Liquid chromatography tandem mass spectrometry
SN/T 2239-2008 Determination of isometamidium residue in food of animal origin for import and export—LC-MS/MS method
SN/T 4114-2015 Determination of anthracene in carbon black-Gas chromatography-mass spetrometry
SN/T 3847-2014 Determination of benzodiazepines in foods for export - Liquid chromatogram-Mass spectrum or mass-spectrography
SN/T 5438-2022 Determination of nucleotide in milk powder for export - LC-MS/MS method
SN/T 3792-2014 Determination of azo dyes in electronic and electrical product - Liquid chromatogram- Mass-spectrography
SN/T 2221-2008 Determination of azaperone and its metabolite residues in food of animal origin for import and export—GC-MS method
SN/T 3867-2014 Determination of rimonabant in the health food for export- Liquid chromatogram-Mass spectrum or mass-spectrography
SN/T 3929-2014 Determination of L-hydroxyproline in food for export―LC-MS/MS method

General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

GB/T 39875-2021 Examination methods for chlordiazepoxide in suspected drugs—Gas chromatography and gas chromatography-mass spectrometry
GB/T 22974-2008 Determination of isometamidium residues in milk and milk powder - LC-MS-MS method
SN/T 4961-2017 Determination of Oligosaccharides in honey for export-HPLC-MS/MS method
GB/T 39144-2020 Test method for magnesium content in gallium nitride materials—Secondary ion mass spectrometry
GB/T 43241-2023 Forensic sciences—Examination methods for nitrous oxide—Gas chromatography-mass spectrometry
SN/T 4523-2016 Determination of various illegal pigment in grape wine for export-LC-MS-MS method
GB/T 17592.1-1998 Textiles--Test method of the use of banned azo colourants--Gas chromatography/mass spectrography method
GB/T 34003-2017 Detection method of impurity elements in boron nitride
GB/T 14605-1993 Determination of trace argon, nitrogen and krypton in oxygen－Gas chromatographic method
SN/T 4777-2017 Determination of anthraquinone residues in tea for export—GC-MS/MS method
SN/T 0683-2014 Determination of tricyclazole residues in cereals for export - HPLS-MS/MS method
GB/T 29675-2013 Determination of nonylphenol in cosmetics—Liquid chromatography tandem mass spectrometry
GB/T 42488-2023 Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
SN/T 4890-2017 Determination of curcuminoids in foodstuffs for export—HPLC method and HPLC-MS/MS method
GB/T 40179-2021 Determination of organic acids in plant—Liquid chromatography-tandem mass spectrometry
SN/T 3381-2012 Determination of fumagillin residues in foods for export-LC-MS/MS method
GB/T 42263-2022 Determination of nitrogen content in silicon single crystal—Secondary ion mass spectrometry method
SN/T 4653-2016 Determination of carbamate residues in Chinese herbal medicine for export - LC-MS/MS method
GB/T 41153-2021 Determination of boron,aluminum and nitrogen impurity content in silicon carbide single crystal―Secondary ion mass spectrometry
SN/T 1114-2014 Determination of diniconazole residue in fruits for export - HPLC-MS/MS method
GB/T 30728-2014 Determination of nitrogen in solid biofuels
GB/T 24313-2009 Determination of olefin in beeswax—Gas chromatographic-mass spectrum method
SN/T 4677-2016 Determination of azodicarbonamide in foods for export―HPLC method
GB/T 40348-2021 Determination of capsaicinoid in plant derived products—Liquid chromatography-tandem mass spectrometry
SN/T 4675.14-2016 Determination of natamycin in wine for export―LC-MS/MS method
GB/T 42274-2022 Determination of the content and distribution of trace elements (magnesium, gallium) in aluminum nitride materials—Secondary ion mass spectrometry
SN/T 4524-2016 Determination of six kinds of ergot alkaloids in cereals for export-LC-MS/MS method
SN/T 4675.16-2016 Determination of fumaric acid in wine for export-LC-MS/MS method
SN/T 4948-2017 Determination of Nitrilotriacetic Acid Salt in Detergent Products - Ion Chromatography
SN/T 4691-2016 Determination of ethylenimine in wood and wood products―Gas chromatography

Professional Standard - Agriculture

NY/T 4610-2025 Determination of stable isotope ratios (carbon, nitrogen, hydrogen, and oxygen) in plant-based agricultural products Stable Isotope Ratio Mass Spectrometry
SN/T 5712-2024 Determination of fluorescent whiteners in cosmetics by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry (LC-MS/MS)
HJ 195-2023 Water quality―Determination of ammonia nitrogen―Gas-phase molecular absorption spectrometry
NY/T 1757-2009 Determination of benzodiazepines in feeds High performance liquid chromatography tandem mass spectrometry
NY/T 3277-2018 Determination of 88 pesticides and their metabolites residues in water— Liquid chromatography-tandem mass spectrometry and gas chromatography-tandem mass spectrometry
SN/T 5071-2018 Determination of 19 kinds of nonprotein nitrogen compounds infoodstuffs of origin for export - LC-MS/MS method
SN/T 5074-2018 Determination of dimethyl yellow in foods for export - LC-MS/MS Method
SN/T 5638-2023 Determination of 20 kinds of aldehydes and ketones in ice wineGas chromatography-tandem mass spectrometry method
HJ 199-2023 Water quality―Determination of total nitrogen ―Gas-phase molecular absorption spectrometry
HJ 198-2024 Water quality-Determination of nitrate nitrogen-Gas phase molecular absorption spectrometry
NY/T 1379-2007 Multi-residue Determination of 334 Pesticides in Vegetable by GC/MS and LC/MS
SN/T 5520-2023 Determination of phenylethanol amine A residues in foodstuffs for animalorigin-Liquid chromatography tandem mass spectrometry method
HJ 197-2024 Water quality-Determination of nitrite nitrogen-Gas phase molecular absorption spectrometry

Professional Standard - Electron

SJ/T 11493-2015 Test method for measuring nitrogen concentration in silicon substrates by secondary ion mass spectrometry
SJ 2804.2-1987 Method for determination of trace Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part two)
SJ 3238-1989 Method for determination of trace Nitrogen in electronic grade Argon--Argon ionization gas chromatography method
SJ 2805-1987 Method for determination of Oxygen with Argon and Nitrogen in electronic grade Hydrogen--Concentration gas chromatographic method
SJ 2804.1-1987 Method for determination of Nitrogen in electronic grade Argon--Concentration gas chromatographic method (Part one)

Group Standards of the People's Republic of China

T/SDNY 010-2020 Determination of 8 Pesticide Residues in Dongzao by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
T/CTMA 007-2020 Determination of Imidaclothiz Residue in Tea Liquid Chromatography-Tandem Mass Spectrometry
T/SSAE 26-2023 Determination of AZO in automobiles materials- gas chromatography mass spectrometry method
T/CITS 0112-2024 Determination of aroma substances in tea-Gas chromatography-mass spectrometr
T/ZJATA 0023-2024 Determination of perchlorate in water Ion chromatography-mass spectrometry/mass spectrometry
T/NAIA 101-2021 Determination of ethifenapyr residues in wolfberry by liquid chromatography-mass spectrometry/mass spectrometry
T/BPMA 32-2004 Determination of chlorate and perchlorate in leek by ion chromatography-mass spectrometry/mass spectrometry
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NAIA 0237-2023 Determination of chlorate and perchlorate in wolfberry by liquid chromatography-mass spectrometry/mass spectrometry
T/HCAA 001-2024 "Determination of 10 Mycotoxins in Cereals by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry"
T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NAIA 0287-2024 Determination of the contents of six flavonoids in wolfberry by liquid chromatography-mass spectrometry/mass spectrometry
T/NAIA 0220-2023 Determination of nine mycotoxins in silage by liquid chromatography-mass spectrometry/mass spectrometry
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/NAIA 0147-2022 Determination of 6 Anthocyanins in Wine by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
T/SATA 069-2024 Determination of 3-nitropropionic acid in sugarcane by liquid chromatography—tandem mass spectrometry
T/NAIA 048-2021 Determination of vitamin B12 in functional beverages by liquid chromatography-mass spectrometry/mass spectrometry
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry

Professional Standard - Public Safety Standards

GA/T 1631-2019 Forensic sciences—Examination methods for mirtazepine and fluoxetine in blood and urine samples—GC and GC-MS
GA/T 1615-2019 Forensic sciences—Examination methods for clozapine in biological samples—GC and GC-MS
GA/T 1917-2021 Forensic sciences-Examination methods for 18 benzodiazepines including diazepam in hair samples-LC- MS
GA/T 1008.12-2013 GC and GC-MS examination methods for drugs—Part 12:Chlordiazepoxide
GA/T 1647-2019 Liquid chromatography and liquid chromatography-mass spectrometry for detection of five benzodiazepines including bromazepam in suspected drugs in forensic science
GA/T 1638-2019 Gas chromatography-mass spectrometry for detection of diazepam and other four benzodiazepines and their metabolites in urine in forensic science
GA/T 1322-2016 GC-MS examination methods for ten benzodiazepines including diazepam in blood in forensic science

Professional Standard - Energy

NB/SH/T 6014-2020 Standard test method for nitrogen compounds in middle distillates by gas chromatography-nitrogen chemiluminescence detection
NB/SH/T 0994-2019 Standard test method for separation and determination of oxygenates and nitrogenous compounds in gasoline by solid-phase extraction and gas chromatography-mass spectrometry

Professional Standard - Environmental Protection

HJ/T 195-2005 Water quality -- Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 199-2005 Water quality -- Determination of total-nitrogen Gas-phase molecular absorption spectrometry
HJ 537-2009 Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration
HJ/T 197-2005 Water quality -- Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 198-2005 Water quality -- Determination of nitrate-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 196-2005 Water quality -- Determination of Kjeldahl-nitrogen Gas-phase molecular absorption spectrometry

Professional Standard - Chemical Industry

HG/T 4963.2-2016 Determination of the content of harmful substances in pigment printing paste products Part 2: Determination of 4-aminoazobenzene Gas chromatography-mass spectrograph

Hubei Provincial Standard of the People's Republic of China

DB42/T 2120-2023 Determination of ammonia nitrogen, nitrite nitrogen and nitrate nitrogen in soil by gas phase molecular absorption spectrometry

Shandong Provincial Standard of the People's Republic of China

DB37/T 3991-2020 Determination of cyantraniliprole residues in food by liquid chromatography-mass spectrometry/mass spectrometry
DB37/T 3043-2017 Determination of Morpholine Hydrochloride in Feedstuffs by Liquid Chromatography-Mass Spectrometry
DB37/T 3031-2017 Determination of Cantharidin in Cosmetics by Liquid Chromatography-Mass Spectrometry-Mass Spectrometry
DB37/T 3990-2020 Determination of Tetrachlorantraniliprole Residues in Food by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB37/T 3311-2018 Determination of Nitrogen Mustard in Cosmetics by Gas Chromatography

Professional Standard - Supply and Marketing Cooperative

GH/T 1394-2022 Determination of oligosaccharides in honey - liquid chromatography-tandem mass spectrometry method

Jilin Provincial Standard of the People's Republic of China

DB22/T 1987-2013 Determination of diethylstilbestrol in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1696-2012 Determination of Arformoterol in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1615-2012 Determination of Olaquinol in Meat and Aquatic Products Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 1613-2012 Determination of melamine in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1618-2012 Determination of Zearalenone in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 2838-2017 Test method for 10 kinds of antibiotics in drinking water and source water by ultra-high performance liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 2268-2015 Determination of amantadine in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 2964-2019 Determination of Nonylphenol in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 2695-2017 Determination of lincomycin and erythromycin in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1679-2012 Determination of Thiram Residues in Bean Sprouts Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 2965-2019 Determination of Psychotropic Drugs in Feed by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
DB22/T 2686-2017 Determination of fluazinam in ginseng by liquid chromatography-mass spectrometry/mass spectrometry
DB22/T 1697-2012 Determination of Nifurene Hydrazone in Feeds by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

Heilongjiang Provincial Standard of the People's Republic of China

DB23/T 1435-2011 Determination of norethistereth in feed by liquid chromatography-mass spectrometry/mass spectrometry
DB23/T 1436-2011 Determination of terbutaline in feed by liquid chromatography-mass spectrometry/mass spectrometry

Professional Standard - Ferrous Metallurgy

YB/T 4779-2019 Vanadium-nitrogen - Determination of nitrogen contents - TOF-mass spectroscopy method after fusion in a current of inert gas (Routine method)

Professional Standard - Textile

FZ/T 01133-2016 Textile - Rapid Screening Method of the Banned Azo Colorants - Gas Chromatography Mass Spectrometry Method

Guangxi Provincial Standard of the People's Republic of China

DB45/T 1013-2014 Determination of Phenylethanolamine A in Urine by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry

National Health Commission of the People's Republic of China

GB 23200.70-2016 National food safety standard— Determination of acifluorfen residue in foods Liquid chromatography - mass spectrometry
GB 23200.76-2016 National food safety standard―Determination of flubendiamide residue in foodsLiquid chromatography-mass spectrometry
GB 23200.20-2016 National food safety standard―Determination of abamectin residue in foods Liquid chromatography-mass spectrometry
GB 23200.51-2016 National food safety standard―Determination of dinotefuran residue in foods Liquid chromatography -mass spectrometry
GB 23200.63-2016 National food safety standard―Determination of tiadinil residue in foods Liquid chromatography-mass spectrometry
GB 23200.21-2016 National food safety standard―Determination of gibberellic acid residue in fruit Liquid chromatography-mass spectrometry
GB 23200.74-2016 National food safety standard―Determination of validamycin residue in foods Liquid chromatography-mass spectrometry
GB 23200.64-2016 National food safety standard―Determination of pyriproxyfen residue in foods Liquid chromatography-mass spectrometry

Anhui Provincial Standard of the People's Republic of China

DB34/T 1541-2011 Determination of Azodicarbonamide in wheat flour High performance liquid chromatography method

Professional Standard - Non-ferrous Metal

YS/T 1654-2023 Methods for chemical analysis of high purity gallium nitride —Determination of trace impurity elements contents —Glow discharge mass spectrometry

Professional Standard - Tobacco

YC/T 348-2010 Cigarettes—Determination of nitrogen oxides in cigarette mainstream smoke—Ion chromatographic method

Agricultural Standard of the People's Republic of China

农业部1068号公告-7-2008 Determination of strychnine in feeds.Gas chromatography-mass spectrometry method
农业部1068号公告-1-2008 Determination of strychnine in swine urine.Gas chromatography-mass spectrometry method

Tianjin Provincial Standard of the People's Republic of China

DB12/T 952-2020 Detection method of antibiotic residues in pig manure by liquid chromatography-mass spectrometry/mass spectrometry
DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry

Hebei Provincial Standard of the People's Republic of China

DB1302/T 423-2015 Determination of 58 pesticide residues in fresh chestnuts by liquid chromatography-tandem mass spectrometry
DB1302/T 423-2025 Determination of 58 pesticide residues in fresh chestnut by liquid chromatography-tandem mass spectrometry

Korean Agency for Technology and Standards (KATS)

KS M 9106-1996 Water quality-Determination of borate(Spectrometric method using azomethine-H)
KS I ISO 9390-2021 Water quality－Determination of borate－Spectrometric method using azomethine-H
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 I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11732-2023 Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 10695-2006(2016) Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS I ISO 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS M ISO 5397-2002(2017) Leather－Determination of nitrogen content and “hide substance”－Titrimetric method
KS I ISO 10695:2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 10695-2021 Water quality — Determination of selected organic nitrogen and phosphorus compounds — Gas chromatographic methods
KS I ISO 17734-1-2025 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry — Part 1: Isocyanates using dibutylamine derivatives
KS I ISO 17734-1:2019 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry — Part 1: Isocyanates using dibutylamine derivatives

British Standards Institution (BSI)

BS ISO 17734-1:2006 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry-Isocyanates using dibutylamine derivatives
BS ISO 17734-1:2013 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry. Isocyanates using dibutylamine derivatives
BS EN ISO 17184:2014 Soil quality. Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
19/30381735 DC BS IEC 63209-11. Determination of certain substances in electrotechnical products - Part 11. TCEP in polymers by gas chromatography-mass spectrometry and liquid chromatography-mass spectrometry
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN ISO 10695:2000(2008) Water quality-Determination of selected organic nitrogen and phosphorus compounds-Gas chromatography

Universal Oil Products Company (UOP)

UOP 276-1985 Pyrrole Nitrogen in Petroleum Distillates by Visible Spectrophotometry
UOP 939-1996 BASIC NITROGEN IN LPG BY ION CHROMATOGRAPHY
UOP 384-1976 Nitrogen in Petroleum Distillates and Heavy Oils by Acid Extraction or Direct Kjeldahl Procedure
UOP 971-2000 TRACE NITROGEN IN LIGHT AROMATIC HYDROCARBONS BY CHEMILUMINESCENCE

Swedish Institute for Standards

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SS-EN 17411:2020 Fertilizers - Determination of perchlorate in mineral fertilizers by liquid chromatography and tandem mass spectrometry detection (LC-MS/MS)

American Society for Testing and Materials (ASTM)

ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM UOP939-96 Basic Nitrogen in LPG by Ion Chromatography
ASTM C1494-01 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM RR-D31-1008 1996 D2868-Standard Test Method for Nitrogen Content (Kjeldahl) and Hide Substance Content of Leather
ASTM C1494-13(2024) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder

Association Francaise de Normalisation

NF X31-016*NF EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF EN ISO 11732:2005 Water quality - Determination of ammoniacal nitrogen - Flow analysis method (CFA and FIA) and spectrometric detection
NF T90-121*NF EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
NF EN ISO 10695:2000 Water quality - Determination of certain selected organic nitrogen and phosphorus compounds - Gas chromatography methods

International Organization for Standardization (ISO)

ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
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 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods
ISO 11732:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
ISO 10695 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method

European Committee for Standardization (CEN)

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 ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 17041:2018 Fertilizers - Determination of boron in concentrations ��10 % using spectrometry with azomethine-H

Lithuanian Standards Office

LST ISO 9390:1998 Water quality. Determination of borate. Spectrometric method using azomethine-H

The Directorate General of Specifications and Metrology (DGSM)

OS GSO ISO 9390:2013 Water quality - Determination of borate - Spectrometric method using azomethine-H
OS GSO ISO 17184:2016 Soil quality -- Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
OS GSO ISO 10695:2015 Water quality -- Determination of selected organic nitrogen and phosphorus compounds -- Gas chromatographic methods
OS GSO ISO 11732:2015 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection

South African Bureau of Standard

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

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO ISO 17184:2017 Soil quality -- Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
BH GSO ISO 10695:2016 Water quality -- Determination of selected organic nitrogen and phosphorus compounds -- Gas chromatographic methods

GCC Standardization Organization

GSO ISO 17184:2016 Soil quality -- Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
OS GSO ISO 23695:2024 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
GSO ISO 23695:2024 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
GSO ISO 4945:2015 Steel -- Determination of nitrogen content -- Spectrophotometric method
GSO ISO 10695:2015 Water quality -- Determination of selected organic nitrogen and phosphorus compounds -- Gas chromatographic methods
BH GSO ISO 23695:2024 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
GSO ISO 11732:2015 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection

Danish Standards Foundation

DANSK DS/EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DANSK DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS/EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
DANSK DS/ISO 23695:2023 Water quality – Determination of ammonium nitrogen in water – Small-scale sealed tube method
DANSK DS/EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)

German Institute for Standardization

DIN EN ISO 17184 E:2013-03 Determination of carbon and nitrogen in soil using near-infrared spectroscopy (NIRS) (draft)
DIN EN ISO 10695:2000-11 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods (ISO 10695:2000); German version EN ISO 10695:2000
DIN EN ISO 17184:2014-09 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS) (ISO 17184:2014); German version EN ISO 17184:2014

Ente Nazionale Italiano di Unificazione

UNI 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
UNI EN ISO 10695:2006 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas chromatographic methods
UNI EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS)
UNI ISO 23695:2023 Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method

Bureau of Indian Standards

IS 15669-2006 Water quality - determination of selected organic nitrogen and phosphorus compounds - gas chromatographic method

Gosstandart of Russia

GOST ISO 10695-2023 Water quality. Determination of individual nitrogen and phosphorus organic compounds. Gas chromatographic methods
GOST R ISO 17734-1-2009 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry. Part 1. Isocyanates using dibutylamine derivatives
GOST R ISO 17734-1-2017 Determination of organonitrogen compounds in air using liquid chromatography and mass spectrometry. Part 1. Isocyanates using dibutylamine derivatives

Spanish Association for Standardization (UNE)

UNE 59-018-1986 leather. Determination of nitrogen content in cortex. Volume determination
UNE-EN ISO 17184:2014 Soil quality - Determination of carbon and nitrogen by near-infrared spectrometry (NIRS) (ISO 17184:2014) (Endorsed by AENOR in July of 2014.)

Belgian Standards Institute

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method

COMMISSION FOR THE STANDARDS, METROLOGY AND QUALITY OF VIETNAM (STAMEQ)

TCVN 6498-1999 Soil quality.Determination of total nitrogen.Modifierd Kejldahl method