nitrogen in water

nitrogen in water, Total:236 items.

The international standard classification for "nitrogen in water" includes: Workplace atmospheres , Ambient atmospheres , Transport by water , Gases for industrial application , Aerospace fluid systems and components , Forging equipment. Presses. Shears , Water quality , Commercial refrigerating appliances .

The Chinese standard classification for "nitrogen in water" includes: Labor sanitation , Environmental sanitation , Diving and its physiological condition , Industrial gas and chemical gas , Fuel system and its accessories , Mould , Aquatic product and fishery in general , Analysis methods for toxic substances in water , Refrigeration equipment .

Professional Standard - Agriculture

SC/T 9444-2023 Determination of ammonia-nitrogen in aquaculture water by gas- phase molecular absorption spectrometry method
HJ 195-2023 Water quality―Determination of ammonia nitrogen―Gas-phase molecular absorption spectrometry
HJ 199-2023 Water quality―Determination of total nitrogen ―Gas-phase molecular absorption spectrometry

Professional Standard - Energy

NB/SH/T 6014-2020 Standard test method for nitrogen compounds in middle distillates by gas chromatography-nitrogen chemiluminescence detection
NB/T 11531-2024 Determination of total phosphorus, ammonia nitrogen and permanganate index in coal mine water - Flow injection-spectrophotometry

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

GB/T 14605-1993 Determination of trace argon, nitrogen and krypton in oxygen－Gas chromatographic method
GB/T 17871-1999 Decompression procedures for nitrox or air saturation-air excursion diving
GB/T 20914.3-2019 Stamping dies—Gas springs—Part 3:Gas spring with increased spring force and compact built height
SPC GB/T 24583.2-2019 Vanadium-nitrogen -- Determination of nitrogen content -- Thermal conductimetric method after fusion in a current of inert gas (TEXT OF DOCUMENT IS IN CHINESE)
GB/T 17096-1997 Hygienic standard for nitrogen oxides in indoor air
GB/T 6625-1986 Test methods for nitrogen content of nitrogen-doped getter
GB/T 38386-2019 Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy
GB/T 9506.5-1988 Test method for nitrogen-released and gas-absorbed dynamic curve of nitrogen-doped getter
GB 16187-1996 Health standard for hydrazoic acid and sodium azide in the air of workplace
GB/T 43378-2023 Nitrogen for use in aircraft

Professional Standard - Ocean

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

Guangdong Provincial Standard of the People's Republic of China

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

Military Standard of the People's Republic of China-General Armament Department

GJB 2253A-2008 Safe application rules for gaseous nitrogen and liquid nitrogen
GJB 2253-1994 Guidelines for safe use of nitrogen and liquid nitrogen
GJB 3403-1998 Nitrogen and Liquid Nitrogen Specifications

Professional Standard - Aquaculture

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

Professional Standard - Military and Civilian Products

WJ 1969-1990 Hygienic standard for sodium azide in the air of workshop
WJ 2083-1992 Hygienic standard for lead azide in the air of workshops

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

GJB 3403A-2019 Specification for gaseous nitrogen and liquid nitrogen

Professional Standard - Environmental Protection

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

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

Group Standards of the People's Republic of China

T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/ZZB 2828-2022 High purity nitrogen
T/QAS 071-2021 Determination of total nitrogen in brine Kjeldahl method
T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method

Shandong Provincial Standard of the People's Republic of China

DB37/T 3311-2018 Determination of Nitrogen Mustard in Cosmetics by Gas Chromatography

Professional Standard - Chemical Industry

HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water
HG/T 3519-2003 Industrial circulating cooling water - Determination of Benzotriazole
HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water
HG/T 3519-2012 Industrial Circulating Cooling Water - Determination of Benzotriazole

Anhui Provincial Standard of the People's Republic of China

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

Professional Standard - Non-ferrous Metal

YSBS 21371-1-2022 Series standard sample 1# for nitrogen gas analysis in steel
YSBS 21371-4-2022 Series standard sample 4# for nitrogen gas analysis in steel
YSBC 31926-2022 Standard sample for oxygen and nitrogen gas analysis in steel ([O]0.0035%, [N]0.0060%)
YSBS 21371-3-2022 Series standard sample 3# for nitrogen gas analysis in steel
YSBS 21371-5-2022 Series standard sample 5# for nitrogen gas analysis in steel
YSBS 21371-2-2022 Series standard sample 2# for nitrogen gas analysis in steel

Fujian Provincial Standard of the People's Republic of China

DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water

Professional Standard - Business

SB/T 10931-2012 Controlled atmosphere storage appliance—Hollow fiber membrane nitrogen generator

Taiwan Provincial Standard of the People's Republic of China

CNS 4084-1977 Method of Test for Nitrogen Dioxide in Exhaust Gases (Saltzman Method)
CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water
CNS 13199-1993 Method of Test for Nitrogen Oxides in Ambient Air (Chemiluminescence Method)
CNS 3943-1976 Method for Determination of Organic Nitrogen in Poliuted and Waste Water
CNS 4085-1977 Method of Test for Oxides of Nitrogen in Exhaust Gases:(PDS (Phenol Disulfonic Acid) Method)

Professional Standard - Light Industry

QB/T 2186-1995 Determination of Nitrogen Content of Hydrolyzed Protein Liquid with Ammonia Electrode Method

Yunnan Provincial Standard of the People's Republic of China

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

Professional Standard - Aviation

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

Professional Standard - Coal

MT 279-1994 Harmful Gas Existing in Mine Air Detection Method of Nitrogen Oxide（Detector Tube Method）
MT/T 279-1994 Method for determination of harmful gas nitrogen oxides in mine air (detection tube method)

Hunan Provincial Standard of the People's Republic of China

DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

Standards Norway

NS 4865:1983 Air quality — Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 4855:1981 Air quality — Determination of nitrogendioxide in ambient air
NS 4855-1981 Air quality - Determination of nitrogendioxide in ambient air
NS-EN 15750:2009 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
SN-CEN/TS 15750:2008 Fertilizers — Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NS 4869:1985 Air quality — Nitrogen dioxide content in workplace atmosphere — Colometric metod
SN-CEN/TS 15604:2007 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
NS 4869-1985 Air quality - Nitrogen dioxide content in workplace atmosphere - Colometric metod
NS-EN 15604:2009 Fertilizers — Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

Gosstandart of Russia

GOST 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen

American Society for Testing and Materials (ASTM)

ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17(2025) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM UOP430-70T Basic Nitrogen in Gases by Acid Scrubbing
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM UOP315-59 Basic Nitrogen in Gases by Low Temperature Acid Scrubbing
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D2072-92(1998)e1 Determination of water in aliphatic nitrogen compounds
ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM UOP740-79T Volatile Nitrogen Bases, Including Ammonia, in Solids and Aqueous Solutions
ASTM UOP936-16 Combined Nitrogen in LPG by Chemiluminescence
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM UOP939-96 Basic Nitrogen in LPG by Ion Chromatography
ASTM D8001-16(2024) Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography

Deutsche Vereinigung des Gas- und Wasserfachs

DVGW W Information Nr 85:2015-03 Nitrogen cycle in groundwater
DVGW Abschlussbericht W 201625:2021-08 Meta-analysis: Empirical Connection between Nitrogen Balance Surplus, Autumn Soil Mineral Nitrogen Content and the Nitrate Load of Percolating Water

Polski Komitet Normalizacyjny (PKN)

PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
PN C04576 ArkusZ11-1973 Water and waste water Tests for nitrogen Determination of organie nitrogen
PN C04576 ArkusZ13-1973 Water and waste water Tests for nilrogen Determination of albuminous nitrogen
PN C04576 ArkusZ14-1973 Water and wastewater Nitrogen compound content testing Calculation of total nitrogen
PN C04576 ArkusZ12-1973 Water and waste water Tests for nitrogenDetermination of total nitrogen of Kjeldahl
PN Z04075-1961 Speedy Me?hod for De?er mina?ion of Ni?rogen Oxyde* in Air
PN C04576 ArkusZ02-1973 Water and waste water Tests for nitrogen Determination of ammonium nitrogen by titrimetric method
PN C04576 ArkusZ05-1973 Water and wastewater Tests for nitrogen compounds Determination of nitrogen in the form of ammonia and ammonium ions
PN Z04092-05-1990 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen oxide, dioxide and total nitrogen oxides in waste gases (emission)

Association of German Mechanical Engineers

VDI 3003 Blatt 4-2012 Nitrogen gas springs in large stamping dies - Nitrogen gas springs with enhanced force
VDI 3003 BLATT 4-2013 Gas pressure springs for cutting and forming tools — Gas pressure springs with increased spring force
VDI 3003 Blatt 3-2012 Nitrogen gas springs in large stamping dies - Nitrogen gas springs with enhanced force and low height
VDI 3003-2010 Gas springs for cutting and forming tools
VDI 3003 BLATT 3-2013 Gas pressure springs for cutting and forming tools — Gas pressure springs with increased spring forces and low installation height

Indonesia Standards

SNI 3477-2:2017 Analysis of moisture content in coal and coke samples – Part 2: Nitrogen gas flow
SNI 19-4780-1998 Cara uji kadar nitrogen amoniak dalam air limbah penyamakan kulit

South African Bureau of Standard

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
SANS 11722:2005 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in 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

Finnish Standards Institute

SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation
SFS 3032-1976 Determination of ammonium nitrogen in water

Swedish Institute for Standards

SS 28133:1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SS 28101:1992 Nitrogen content of water - Determination with Kjeldahl method after reduction with Devarda's alloy
SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SS-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
SS-ISO 333:1996 Coal - Determination of nitrogen - Semi-micro Kjeldahl method
SS-ISO 11107:2009 Recreational diving services - Requirements for training programmes on enriched air nitrox (EAN) diving (ISO 11107:2009, IDT)

Canadian Standards Association (CSA)

CSA Z223.24-M1983-1983(R1999) Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air
CSA Z223.24 -M1983-1983 Method for the Measurement of Nitric Oxide and Nitrogen Dioxide in Air General Instruction No 1 R(1999)

American Water Works Association (AWWA)

AWWA WQTC58855 Dissolved Organic Nitrogen Analysis in Drinking Water
AWWA ACE58255 Analytical Methods for Organic-N in Water Sources
AWWA WQTC69408 An Innovative Approach to Predicting Nitrogen Removal in Repurified Wastewater
AWWA ACE60025 Occurrence of Dissolved Organic Nitrogen in US Drinking Water
AWWA WQTC56984 How Organic Nitrogen Compounds in Surface Water Relate to DBP Formation in the Drinking Water Treatment Process

GCC Standardization Organization

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
BH GSO ISO 23695:2024 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
GSO 2403:2014 GASES – MEDICAL NITROGEN GAS

Netherlands Institute for Standardization

NEN 2038-1979 Air quality - Calibration gas mixture of nitrogen monoxide in nitrogen - Gravimetric preparation

British Standards Institution (BSI)

BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN 14211:2024 Ambient air. Standard method for the measurement of the concentration of nitrogen dioxide and nitrogen monoxide by chemiluminescence
BS PD CEN/TS 17403:2021 Fertilizers. Determination of cold water insoluble nitrogen and hot water insoluble nitrogen in solid urea formaldehyde and methylene urea slow-release fertilizers and determination of the solubility of nutrient polymers in phosphate buffer solution with
08/30179332 DC BS EN 15604. Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
BS EN 12260:2003(2008)*BS 6068-2.83:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS DD CEN/TS 15750:2008 Fertilizers. Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

American Association of Textile Chemists and Colorists

AATCC 164-2013 Colorfastness to Oxides of Nitrogen in the Atmosphere Under High Humidities
AATCC 164-2006 Colorfastness to Oxides of Nitrogen in the Atmosphere Under High Humidities
AATCC 164-2001 Colorfastness to Oxides of Nitrogen in the Atmosphere Under High Humidities

International Organization for Standardization (ISO)

ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 11722:2013 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
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

Czech Standards Institute (UNMZ)

CSN 38 5537-1965 Determination of nitrogen oxide in fuel gases
CSN 65 4335-1996 Compressed nitrogen gas
CSN 65 4335 Z1-1999 Nitrogen compression

Korean Agency for Technology and Standards (KATS)

KS I 2203-2011 Methods for determination of oxides of nitrogen in flue gases
KS E ISO 11722-2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS B 5355-1993 Continuous analyzers for oxides of nitrogen in flue gas
KS B 5360-1990 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-2001 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS B 5360-2021 Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS E ISO 11722-2022 Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
KS B 5360-1990(2021) Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS E ISO 11722-2017(2022) Solid mineral fuels — Hard coal — Determination of moisture in the general analysis test sample by drying in nitrogen
KS B 4905-1986(2018) Gas nitriding processing of steel
KS D 2530-1993 Determination of nitrogen in titanium
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 E ISO 333-2003(2013) Coal－Determination of nitrogen－Semi-micro Kjeldahl method

Danish Standards Foundation

DANSK DS/ISO 23695:2023 Water quality – Determination of ammonium nitrogen in water – Small-scale sealed tube method
DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DANSK DS/EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
DANSK DS/EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
DANSK DS/ISO 15604:2020 Fertilizers – Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

Ente Nazionale Italiano di Unificazione

UNI ISO 23695:2023 Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method
UNI 11658:2016 Water quality - Determination of Total Nitrogen in waste, natural and drinking waters with small-scale sealed-tube method
UNI CEN/TS 15604:2008 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNI EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNI CEN/TS 15478:2006 Fertilizers - Determination of total nitrogen in urea
UNI 11700:2017 Water quality - Determination of Nitric Nitrogen (Nitrates) in waste, natural and drinking waters with small-scale sealed-tube method

National Standardisation Body (ASRO)

STAS 10500/4-1976 MINE AIR etermination of nitrogen oxides
SR 184-25-1998 Ethyl alcohol. Determination of ammonia and azotic bases nitrogen content

Japanese Industrial Standards Committee (JISC)

JIS K 0110:2018 Methods for determination of dinitrogen monoxide in flue gas
JIS K 1107:2005 Nitrogen
JIS B 7988:2007 Continuous analyzers for dinitrogen monoxide in flue gas
JIS K 0104:2000 Methods for determination of nitrogen oxides in flue gas
JIS K 0104:1984 Methods for determination of oxides of nitrogen in flue gases
JIS B 7982:1995 Continuous analyzers for oxides of nitrogen in flue gas
JIS B 7953:2004 Continuous analyzers for oxides of nitrogen in ambient air
JIS K 0104:2011 Methods for determination of nitrogen oxides in flue gas
JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air
JIS K 0227:1984 Analytical method for trace nitrogen oxides in diluent gas and zero gas

Universal Oil Products Company (UOP)

UOP 430-70T Basic Nitrogen in Gases by Acid Scrubbing
UOP 936-2020 Combined Nitrogen in LPG including Propylene by Chemiluminescence
UOP 315-1959 Basic Nitrogen in Gases by Low Temperature Acid Scrubbing
UOP 432-65T Total nitrogen in liquefied petroleum gases by acid extraction-kjeldahl procedure
UOP 936-1995 COMBINED NITROGEN IN LPG BY CHEMILUMINESCENCE
UOP 939-1996 BASIC NITROGEN IN LPG BY ION CHROMATOGRAPHY

Magyar Szabványügyi Testület

MSZ 21 118-1980 Nitrogen
MNOSZ 448-27.lap-1955 Determination of total nitrogen water
MNOSZ 260-12.lap-1955 Experiments to detect sewage nitrogen and organic nitrogen

German Institute for Standardization

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 ISO 7996:1990-02 Determination of nitrogen oxides in the atmosphere - Chemiluminescence method
DIN EN ISO 15604 E:2019 Draft Document - Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen (ISO 15604:2016); German and English version prEN ISO 15604:2019
DIN 50450-1:1987-08 Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of water impurity in hydrogen, oxygen, nitrogen, argon and helium by using a diphosphorus pentoxide cell
DIN EN 15750:2010-02 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

Society of Automotive Engineers (SAE)

SAE AIR6942-2025 Nitrogen Absorption/Desorption (Gas Dissolution) in Aircraft Shock Absorbers
SAE AMS2759/10A Automated Gaseous Nitriding Controlled by Nitriding Potential
SAE AMS2759/10C Automated Gaseous Nitriding, Controlled by Nitriding Potential
SAE AMS2759/10D Automated Gaseous Nitriding Controlled by Nitriding Potential
SAE AMS2759/10 Automated Gaseous Nitriding Controlled By Nitriding Potential

Deutsche Vereinigung für Wasserwirtschaft, Abwasser und Abfall e. V. (DWA)

DWA-M 349:2019-05 Removal of Nitrogen from Wastewater Stabilization by Biological Anaerobic Sludge

American Petroleum Institute (API)

API 4264-1974 THE FATE OF NITROGEN OXIDES IN THE ATMOSPHERE - FINAL REPORT

Spanish Association for Standardization (UNE)

UNE-EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
UNE-CEN/TS 15604:2008 EX Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
AENOR 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 77-211-1989 Gas emission characteristics in continuous monitoring of nitrogen oxides
UNE 28596:1986 NITROGEN FOR USE IN AIRCRAFT.

Kingdom of Bahrain Testing and Metrology Directorate

BH GSO 2403:2015 GASES – MEDICAL NITROGEN GAS
BH GSO ISO 2435:2017 Nitrogen for use in aircraft

Bureau of Indian Standards

IS 1747-1972 Nitrogen specifications
IS 14684-1999 Determination of Nitrogen and Nitrogenous Compounds in Soils
IS 3025-34-1-2023 Methods of Sampling and Test (Physical and Chemical) for Water and Wastewater - Part 34 Nitrogen - Section 1 Determination of Various Types of Nitrogen like Ammoniacal, Nitrate, Nitrite and Organic Nitrogen

GM Europe

GME B 040 0957-2007 Nitrogen (liquefied)

The Directorate General of Specifications and Metrology (DGSM)

OS GSO 2403:2014 GASES – MEDICAL NITROGEN GAS
OS GSO ISO 2435:2015 Nitrogen for use in aircraft

Association Francaise de Normalisation

NF X43-009:1973 Nitrogen dioxyde content of the atmosphere (griess saltzman reaction).
NF U42-503*NF EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods
NF EN 12135:1997 Fruit and vegetable juices - Nitrogen dosage - Kjeldahl method
NF U42-147*NF EN 15561:2009 Fertilizers - Determination of total nitrogen in calcium cyanamide containing nitrate

European Committee for Standardization (CEN)

EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
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

Lithuanian Standards Office

LST EN 15604-2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

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

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

Cuban Institute of Standards and Metrology

NC 24-65-1986 Inorganic Chemical Products Nitrogen. Determination of Water Vapor Content. Aerial Water Point Method

National Association of Corrosion Engineers (NACE)

NACE Paper 05548-2015 Corrosion of Sprinkler Piping Under Compressed Nitrogen and Air Supervision

Military Standards (MIL-STD)

MIL MIL-G-83794/4-1976 GASES, CALIBRATING, AND MIXTURES; OXYGEN (5%) IN NITROGEN MIXTURE (NO S/S DOCUMENT)

Belgian Standards Institute

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)

SCC

FM Approvals 1035:2018 Nitrogen Generators

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