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Nitrogen in water

Nitrogen in water, Total:498 items.

In the international standard classification, Nitrogen in water involves: Fertilizers, Water quality, Paint ingredients, Analytical chemistry, Agricultural machines, implements and equipment, General methods of tests and analysis for food products, Meat, meat products and other animal produce, Vocabularies, Medical sciences and health care facilities in general, Animal feeding stuffs, Air quality, Ferroalloys, Coals, Geology. Meteorology. Hydrology, Coatings and related processes used in aerospace industry, Photography, Springs, Chipless working equipment, Farming and forestry, Products of the chemical industry, Milk and milk products, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Ferrous metals, Leather technology, Fuels, Textile fibres, Nuclear energy engineering, Non-ferrous metals, Refractories, Construction materials, Inorganic chemicals, Test conditions and procedures in general, Soil quality. Pedology, Fruits. Vegetables, Organic chemicals, Testing of metals, Products of the textile industry, Petroleum products in general, Paper and board, Burners. Boilers, Patents. Intellectual property, Non-metalliferous minerals, Bearings, Materials for the reinforcement of composites, Conducting materials, Environmental testing, Beverages, Microbiology, Protection of and in buildings, Spices and condiments. Food additives, Pulps, Lubricants, industrial oils and related products, Environmental protection, Road engineering, Natural gas, Food products in general, Installations in buildings.

Association Francaise de Normalisation, Nitrogen in water

NF U42-191:1988 Fertilizers. Nitrogenous fertilizers containing synthetic organic nitrogen. Determination of the types of nitrogen.
NF T90-060:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN sub b), following oxidation to nitrogen oxides.
XP CEN/TS 17403:2021 Engrais - Dosage de l'azote insoluble dans l'eau froide et de l'azote insoluble dans l'eau chaude dans les engrais à libération lente urée-formaldéhyde solides etméthylène-urée, et détermination de la solubilité des polymères nutritifs da...
XP P41-280:2008 Effect of materials on the quality of water intended for human consumption . Objects constituted by several components among which at least organic one entering the contact of the water . Obtaining and analysis of the water of migration
XP U42-656*XP 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
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 EN ISO 14362-3:2017 Textiles - Méthodes de détermination de certaines amines aromatiques dérivées de colorants azoïques - Partie 3 : détection de l'utilisation de certains colorants azoïques susceptibles de libérer du 4-aminoazobenzène
NF EN ISO 11905-1:1998 Qualité de l'eau - Dosage de l'azote - Partie 1 : méthode par minéralisation oxydante au peroxodisulfate
NF EN 13831:2007 Vases d'expansion fermés avec membrane incorporée pour installation dans des systèmes à eau
NF EN ISO 17234-2:2011 Cuir - Essais chimiques pour le dosage de certains colorants azoïques dans les cuirs teints - Partie 2 : dosage du 4-aminoazobenzène
NF EN ISO 21676:2021 Qualité de l'eau - Détermination de la fraction dissoute des ingrédients pharmaceutiques actifs sélectionnés, des produits de la transformation et d'autres substances organiques dans l'eau et dans l'eau résiduaire - Méthode par chromatograph...
NF EN ISO 11732:2005 Qualité de l'eau - Dosage de l'azote ammoniacal - Méthode par analyse en flux (CFA et FIA) et détection spectrométrique
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
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 P84-704*NF EN ISO 10769:2011 Clay geosynthetic barriers - Determination of water absorption of bentonite
NF A06-373*NF EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method.
NF ISO 20760-1:2018 Réutilisation de l'eau en milieu urbain - Lignes directrices concernant les systèmes centralisés de réutilisation de l'eau - Partie 1 : principe de conception d'un système centralisé de réutilisation de l'eau
NF P98-120:1992 ROAD FOUDATIONS. HYDRAULIC FLY ASH BOUND GRANULAR MATERIAL. DEFINITION,COMPOSITION,CLASSIFICATION.
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 EN 197-1:2012 Ciment - Partie 1 : composition, spécifications et critères de conformité des ciments courants

PT-IPQ, Nitrogen in water

E 211-1967
NP 2972-1985
E 231-1970 A presente especifica??o destina-se a fixar o modo de efectuar a determina??o, nos cimentos, do teor em halogenetos solúveis nas condi??es do ensaio.
E 339-1980
E 158-1964
E 157-1964
NP 168-1958

Danish Standards Foundation, Nitrogen in water

DS/EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/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
DS/EN ISO 12782-5:2012 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples
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 260:1978 Water analysis. Aluminium in water. Photometric method
DS 281:1975 Water analysis. Determination of phenol in water
DS/EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS/EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amount) in steels. Spectrophotometric method
DS 280:1976 Water analysis. Determination of sulphide in waste water
DS/EN 197-1:2012 Cement - Part 1: Composition, specifications and conformity criteria for common cements

Lithuanian Standards Office , Nitrogen in water

LST EN 12260-2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
LST 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
LST EN ISO 12782-5:2012 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples (ISO 12782-5:2012)
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 10179-2000 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
LST EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)
LST EN 197-1-2011 Cement - Part 1: Composition, specifications and conformity criteria for common cements

AENOR, Nitrogen in water

UNE-EN 12260:2004 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
UNE 112013:1994 BIOLOGICAL CORROSION. ISOLATION AND IDENTIFICATION OF IRON BACTERIA IN WATER AND WATER-FORMED DEPOSITS.
UNE 30026:1952 DENSITY AND COMPOSITION OF AQUEOUS SOLUTIONS OF HYDROCHLORIC ACID.
UNE 36317-2:1989 Chemical analysis of ferrous materials - Determination of nitrogen (trace mounts) in steel - Spectrophotometric method
UNE-EN ISO 17234-2:2011 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011)
UNE-EN 197-1:2011 Cement - Part 1: Composition, specifications and conformity criteria for common cements

American Society for Testing and Materials (ASTM), Nitrogen in water

ASTM D3590-11 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-02 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-17 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D1426-98 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15(2021)e1 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-03 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-15 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D1426-08 Standard Test Methods for Ammonia Nitrogen In Water
ASTM D6146-97(2002) Standard Guide for Monitoring Aqueous Nutrients in Watersheds
ASTM D6146-97 Standard Guide for Monitoring Aqueous Nutrients in Watersheds
ASTM D6146-97(2007) Standard Guide for Monitoring Aqueous Nutrients in Watersheds
ASTM D3590-02(2006) Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM D3590-89(1994)e1 Standard Test Methods for Total Kjeldahl Nitrogen in Water
ASTM UOP740-79T Volatile Nitrogen Bases, Including Ammonia, in Solids and Aqueous Solutions
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D6016-06(2012) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM D5463-98 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water
ASTM D6016-96 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-96(2001) Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-06 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D6016-17 Standard Test Method for Determination of Nitrogen, Water Extractable in Leather
ASTM D5463-18 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D5463-13 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water
ASTM UOP276-85 Pyrrole Nitrogen in Petroleum Distillates by Visible Spectrophotometry
ASTM D3179-89(2002) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997) Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-89(1997)e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D3179-02e1 Standard Test Methods for Nitrogen in the Analysis Sample of Coal and Coke
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D932-89(2007) Standard Test Method for Iron Bacteria in Water and Water-Formed Deposits
ASTM D93-18 Standard Test Method for Iron Bacteria in Water and Water-Formed Deposits
ASTM E778-15 Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM E778-87(2004) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-87(1996) Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM E778-08 Standard Test Methods for Nitrogen in the Analysis Sample of Refuse-Derived Fuel
ASTM UOP313-89 Nitrogen Bases in Petroleum Distillates by Color Indicator Titration
ASTM UOP936-95 Combined Nitrogen in LPG by Chemiluminescence
ASTM UOP936-20 Combined Nitrogen in LPG by Chemiluminescence
ASTM E778-15(2021) Standard Test Methods for Nitrogen in Refuse-Derived Fuel Analysis Samples
ASTM D5463-03 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water
ASTM D5463-08 Standard Guide for Use of Test Kits to Measure Inorganic Constituents in Water
ASTM D5373-21 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D4412-84(2002) Standard Test Methods for Sulfate-Reducing Bacteria in Water and Water-Formed Deposits
ASTM D4412-84(2009) Standard Test Methods for Sulfate-Reducing Bacteria in Water and Water-Formed Deposits
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5864-11 Standard Test Method for Determining Aerobic Aquatic Biodegradation of Lubricants or Their Components
ASTM D1428-82e1 Methods of Test for Sodium and Potassium in Water and Water-Formed Deposits by Flame Photometry
ASTM D5373-14e1 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-13 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5373-14 Standard Test Methods for Determination of Carbon, Hydrogen and Nitrogen in Analysis Samples of Coal and Carbon in Analysis Samples of Coal and Coke
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5864-00 Standard Test Method for Determining Aerobic Aquatic Biodegradation of Lubricants or Their Components
ASTM D5864-95 Standard Test Method for Determining Aerobic Aquatic Biodegradation of Lubricants or Their Components
ASTM D5864-05 Standard Test Method for Determining Aerobic Aquatic Biodegradation of Lubricants or Their Components
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection

British Standards Institution (BSI), Nitrogen in water

BS EN 12260:2003 Water quality. Determination of nitrogen. Determination of bound nitrogen (TN<sub>b</sub>), following oxidation to nitrogen oxides
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 ISO 18905:2002 Imaging materials - Ammonia-processed diazo photographic film - Specifications for stability
21/30426878 DC BS ISO 23697-2. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 2. Chromotropic acid based method
21/30426875 DC BS ISO 23697-1. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 1. Dimethylphenol based method
BS ISO 23697-2:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Chromotropic acid colour reaction
BS ISO 23697-1:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Dimethylphenol colour reaction
BS ISO 22449-2:2020 Use of reclaimed water in industrial cooling systems - Guidelines for cost analysis
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
23/30446960 DC BS EN ISO 21068-3. Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 3. Determination of nitrogen, oxygen and metallic and oxidic constituents
BS EN 13361:2013 Geosynthetic barriers. Characteristics required for use in the construction of reservoirs and dams
BS EN 13361:2018 Geosynthetic barriers. Characteristics required for use in the construction of reservoirs and dams
22/30441348 DC BS ISO 24575. Guidelines for cost analysis in planning of decentralized wastewater treatment and/or reuse
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
PD ISO/TS 19700:2016 Controlled equivalence ratio method for the determination of hazardous components of fire effluents. Steady-state tube furnace
BS EN ISO 9509:2006 Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms
BS EN 13361:2004 Geosynthetic barriers - Characteristics required for use in the construction of reservoirs and dams
BS ISO 24575:2023 General principles and guidelines for cost analysis in planning of decentralized wastewater treatment and/or reuse
19/30363874 DC BS ISO 22449-2. Use of reclaimed water in industrial cooling systems. Part 2. Guidelines for cost analysis
19/30378136 DC BS EN ISO 17234-1. Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 1. Determination of certain aromatic amines derived from azo colorants
BS ISO 24215:2022 Lignins. Determination of carbohydrate composition in kraft lignin, soda lignin and hydrolysis lignin
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
20/30375934 DC BS ISO 4652. Rubber compounding ingredients. Carbon black. Determination of specific surface area by nitrogen adsorption methods. Single-point procedures
23/30470586 DC BS EN 17979. Reactivity of Cement Constituents. Heat of Hydration and Bound Water methods

German Institute for Standardization, Nitrogen in water

DIN EN 12260:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TN<(Index)b>), following oxidation to nitrogen oxides; German version EN 12260:2003
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN 38413-8:2000-09 German standard methods for the examination of water, waste water and sludge - Single components (group P) - Part 8: Determination of nitrilotriacetic acid (NTA), ethylenedinitrilotetraacetic acid (EDTA) and diethylenetrinitrilopentaacetic acid (DTPA) ...
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 CEN/TS 17403:2021-03 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 w...
DIN EN ISO 12782-5:2012-09 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples (ISO 12782-5:2012); German version EN ISO 12782-5:2012
DIN EN ISO 21068-3:2023-07 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/DIS 21068-3:2023); German and En...
DIN EN 13361:2018-07 Geosynthetic barriers - Characteristics required for use in the construction of reservoirs and dams; German version EN 13361:2018
DIN EN 12138:1997 Fruit and vegetable juices - Enzymatic determination of D-malic acid content - NAD spectrometric method; German version EN 12138:1997
DIN EN 17204:2020 Water quality - Guidance on analysis of mesozooplankton from marine and brackish waters
DIN EN 17979:2023-06 Reactivity of cement constituents - Heat of hydration and bound water methods; German and English version prEN 17979:2023 / Note: Date of issue 2023-05-05
DIN EN ISO 17234-2:2011-06 Leather - Chemical tests for the determination of certain azo colorants in dyed leathers - Part 2: Determination of 4-aminoazobenzene (ISO 17234-2:2011); German version EN ISO 17234-2:2011
DIN 10529-2:2012-10 Dosing apparatus for the oral medication of powdery or liqiud proprietary medicinal products at farm livestock - Part 2: Dosing apparatus for liquid proprietary medicinal products for application by using drinking water
DIN EN ISO 13395:1996-12 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 10179:1990-04 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
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 10179:1990 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
DIN EN 197-1:2011-11 Cement - Part 1: Composition, specifications and conformity criteria for common cements; German version EN 197-1:2011 / Note: Under certain conditions, DIN EN 197-1 (2004-08), DIN EN 197-1 Berichtigung 1 (2004-11), DIN EN 197-1/A3 (2007-09) and DIN EN ...
DIN 1164-11:2023-02 Special cement - Part 11: Cement with short setting time - Composition and requirements

VN-TCVN, Nitrogen in water

TCVN 6624-2-2000 Water quality.Determination of nitrogen.Part 1: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
TCVN 6624-1-2000 Water quality.Determination of nitrogen.Part 1: Method using oxidative digestion with peroxodisunfate

Korean Agency for Technology and Standards (KATS), Nitrogen in water

KS I ISO 11905-2:2008 Water quality-Determination of nitrogen-Part 2:Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence 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 I 2203-2011 Methods for determination of oxides of nitrogen in flue gases
KS I ISO 17381-2010(2015) Water quality－Selection and application of ready-to-use test kit methods in water analysis
KS B 5355-1993 Continuous analyzers for oxides of nitrogen in flue gas
KS D ISO 4945-2002(2017) Steel－Determination of nitrogen content－Spectrophotometric method
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 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 5360-1990(2021) Continuous Analysers for Oxides of Nitrogen in Ambient Air
KS I ISO 6332:2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
KS M ISO 287:2009 Paper and board－Determination of moisture content of a lot－Oven-drying 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 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus 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 F 4911-2012 Waterproofing sheets of synthetic polymer
KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11905-1-2008(2018) Water quality－Determination of nitrogen－Part 1：Method using oxidative digestion with peroxodisulfate
KS E ISO 11722:2007 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS E ISO 11722:2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS M ISO 17234-2:2019 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS M ISO 17234-1:2019 Leather ─ Chemical tests for the determination of certain azo colorants in dyed leathers ─ Part 1: Determination of certain aromatic amines derived from azo colorants
KS M ISO 17234-1:2014 Leather ─ Chemical tests for the determination of certain azo colorants in dyed leathers ─ Part 1: Determination of certain aromatic amines derived from azo colorants
KS M ISO 17234-2:2014 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS D ISO 22960-2010(2020) Titanium and titanium alloys－Determination of iron－Molecular absorption spectrometry using 1,10-phenanthroline

International Organization for Standardization (ISO), Nitrogen in water

ISO/TR 11905-2:1997 Water quality - Determination of nitrogen - Part 2: Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
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 11722:2013 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 18905:2002 Imaging materials - Ammonia-processed diazo photographic film - Specifications for stability
ISO 23697-2:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
ISO 23697-1:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO/DIS 21068-3 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon — Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents
ISO 22449-2:2020 Use of reclaimed water in industrial cooling systems — Part 2: Guidelines for cost analysis
ISO 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
ISO 287:2009 Paper and board - Determination of moisture content of a lot - Oven-drying method
ISO 287:2017 Paper and board - Determination of moisture content of a lot - Oven-drying method
ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods
ISO 17234-2:2011 | IULTCS/IUC 20-2 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
ISO 24575:2023 General principles and guidelines for cost analysis in planning of decentralized wastewater treatment and/or reuse
ISO 11722:1999 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
ISO 20760-1:2018 Water reuse in urban areas - Guidelines for centralized water reuse system - Part 1: Design principle of a centralized water reuse system

FI-SFS, Nitrogen in water

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

SE-SIS, Nitrogen in water

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 01-1992 Nitrogen content of water — Determination with Kjeldahl method after reduction with Devarda's alloy
SIS SS-EN 10 179-1989 Chemical analysis of ferrous materials — Determination of nitrogen (trace amounts) in steel — spectrophotometric method

Taiwan Provincial Standard of the People's Republic of China, Nitrogen in water

CNS 10880-15-1996 Method of Test for Paint Components(Quantitative Test of Nitrogen in Solvent Solubles)
CNS 12965-1992 Method of Test for Hazardous Components in Fertilizers:Determination of Biuret Nitrogen Content
CNS 10880.15-1996 Method of Test for Paint Components(Quantitative Test of Nitrogen in Solvent Solubles)
CNS 10509-1983 Methods of Chemical Analysis for Nitrogen in Ferrochromium
CNS 10880-18-1996 Method of Test for Paint Components-Water Soluble Matter in Solvent Insolubles
CNS 10880.18-1996 Method of Test for Paint Components-Water Soluble Matter in Solvent Insolubles
CNS 13265-2000 Extruded Cement Composite Hollow Panel
CNS 7728-1981 Method of Test for Percent of Non - Amines in Fatty Nitrogen Compounds
CNS 10880-6-1995 Method of Test for Paint Components - Determination of Water by the Karl Fischer Method
CNS 10880.6-1995 Method of Test for Paint Components - Determination of Water by the Karl Fischer Method

Professional Standard - Agriculture, Nitrogen in water

SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
NY/T 1116-2006 Fertilizers-Determination of nitrate nitrogen content.UItraviolet spectro-photometric method
水产品质量安全检验手册 2.11.2.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) II. Colorimetry
水产品质量安全检验手册 2.11.1.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) 1. Formaldehyde value method
2药典中药成方制剂卷-2010 Chapter Two: The Nomenclature, Classification and Composition of Chinese Proprietary Medicines
水产品质量安全检验手册 2.17.2.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Basic Nitrogen in Aquatic Products (GBT 5009.44-2003) 2. Trace Diffusion Method
NY/T 1373-2007 Determination of Sulfite in Edible Fungus Distill under Nitrogen with the Method of Spectrophotometer
1357药典一部-2020 Prescription preparation and single preparation Qihua Buzhong Yiqi Wan (water pill)
1313药典一部-2015 Prescription preparation and single preparation Qihua Buzhong Yiqi Wan (water pill)
1147药典一部-2010 Prescription preparation and single preparation Qihua Buzhong Yiqi Wan (water pill)

Guangdong Provincial Standard of the People's Republic of China, Nitrogen in water

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

Professional Standard - Aquaculture, Nitrogen in water

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

BE-NBN, Nitrogen in water

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
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 B 12-001-1993
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN-EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method

European Committee for Standardization (CEN), Nitrogen in water

DD ENV 12 260-1996 Water Quality - Determination of Nitrogen - Determination of Bound Nitrogen, After Combustion and Oxidation to Nitrogen Dioxide, Using Chemiluminescence Detection
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
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
EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
prEN 17979 Reactivity of Cement Constituents - Heat of Hydration and Bound Water methods
DD ENV 1250-2-1994 Wood Preservatives - Methods for Measuring Losses of Active Ingredients and Other Preservative Ingredients from Treated Timber - Part 2: Laboratory Method for Obtaining Samples for Analysis to Measure Losses By Leaching Into Water or Synthetic Sea Water
EN ISO 10695:2000 Water Quality - Determination of Selected Organic Nitrogen and Phosphorus Compounds - Gas Chromatographic Methods ISO 10695: 2000
EN 10179:1989 Chemical Analysis of Ferrous Materials - Determination of Nitrogen (Trace Mounts) in Steel Spectrophotometric Method
prENV 197-1989 Cement; composition, specifications and conformity criteria
DD ENV 197-1-1992 Cement; composition, specifications and conformity criteria; part 1: common cements
EN ISO 6974-5:2014 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 5: Isothermal method for nitrogen@ carbon dioxide@ C1 to C5 hydrocarbons and C6+ hydrocarbons
EN ISO 11905-1:1998 Water Quality - Determination of Nitrogen - Part 1: Method Using Oxidative Digestion with Peroxodisulfate ISO 11905-1:1997
prEN 413-1-1990 Masonry cement; part 1: composition, specifications and conformity criteria

API - American Petroleum Institute, Nitrogen in water

API PUBL 4331-1980 Cost and Cost Effectiveness of NOx Control in Petroleum Industry Operartions
API 4217-1974 FOUNDATION FOR MODELING NOx AND SMOKE FORMATION IN DIESEL FLAMES
API PUBL 4422-1986 Cost Model for Selected Technologies for Removal of Gasoline Components from Groundwater
API PUBL 4499-1989 Evaluation of Analytical Methods for Measuring Appendix IX Constituents in Groundwater
API PUBL 954-1978 "Evaluation of Ammonia ""Fixation"" Components In Actual Refinery Sour Waters"
API PUBL 4525-1990 Compilation of Field- Collected Cost and Treatment Effectiveness Data for the Removal of Dissolved Gasoline Components from Groundwater

ES-AENOR, Nitrogen in water

YU-JUS, Nitrogen in water

JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?
JUS B.F8.162-1987 Noncombustible mineral boards. Determination of stratification in water
JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium

Professional Standard - Environmental Protection, Nitrogen in water

HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ 536-2009 Water quality.Determination of ammonia nitrogen.Salicylic acid spectrophotometry
HJ/T 101-2003 The technical requirement for water quality automatic analyzer of ammonia
HJ/T 102-2003 The technical requirement for water quality automatic analyzer of total nitrogen
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
HJ 665-2013 Water quality.Determination of ammonium nitrogen by continuous flow analysis (CFA) and Salicylic acid spectrophotometry
HJ 666-2013 Water quality.Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
HJ 535-2009 Water quality.Determination of ammonia nitrogen.Nessler's reagent spectrophotometry
HJ/T 196-2005 Water quality - Determination of Kjeldahl-nitrogen Gas-phase molecular absorption spectrcmetry
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
HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ/T 42-1999 Stationary source emission.Determination of nitrogen oxide.Ultraviolet spectrophotometric method
HJ 1126-2020 Analysis method of tritium in water
HJ 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry

Beijing Provincial Standard of the People's Republic of China, Nitrogen in water

DB11/T 1764.16-2021 Water Quotas Part 16: Chinese Proprietary Medicines

Group Standards of the People's Republic of China, Nitrogen in water

T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/NAIA 0135-2022 Determination of carbon, hydrogen and nitrogen in coal-based Fischer-Tropsch synthetic liquid fuel oil and chemicals Elemental analyzer method
T/JSGS 001-2020 Guidelines for water supply cost estimation of rural centralized water supply projects
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/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CATCM 001.4-2019 Chinese Medicine Brand Evaluation Part 4: Chinese Proprietary Medicine
T/CACM 010.2-2016 General Rules for Molecular Identification of Traditional Chinese Medicine Part 2: Extracts and Proprietary Chinese Medicines
T/QAS 046-2021 Determination of total iron, ferrous iron and ferric iron in brine by phenanthroline spectrophotometric method
T/SDAQI 064-2021 Determination of urea content in diesel engines NOx reduction agent - Aqueous urea solution by refractive index

CZ-CSN, Nitrogen in water

CSN 46 7092-29-1998 Testing methods for feeding stuffs - Part 29: Determination of amonia content in the fish meals
CSN 72 2217-1985 Determination of unslakable content and mechanical impurities of liraes
CSN 75 7214-1994 Water quality. Raw water for treatment at drinking water. Classification
CSN ON 86 8320-1967
CSN ISO 6332:1995 Water quality - Determination of iron - Spectrometric method using 1,10-phenantroline
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method
CSN 49 1016-1982 Sawn timber. Determm?tion of moistuíe content
CSN 58 0703-7-1999 Testing methods of dehydrated products and seasonings - Part 7: Determinaton of total nitrogen
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN P ENV 197-1-1993 Cement. Composition specifications and conformity criteria. Part 1: Common cements

ZA-SANS, Nitrogen in water

SANS 5922:1978 Total moisture content of coal (nitrogen-oven method)
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 11722:2005 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

RU-GOST R, Nitrogen in water

GOST 32527-2013 Mineral nitrogen-containing substances. Determination in air and water
GOST 25590-1983 Wool. Norms of residual non-wool components and moisture in conditionally cleon mass
GOST 33396-2015 Geosynthetic materials. Method for determination of resistance to hydrolysis in water
GOST R ISO 17234-2-2015 Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene
GOST 33278-2015 Canned fruits. Determination of food synthetic colours mass fraction by thin-layer chromatography method

Professional Standard - Chemical Industry, Nitrogen in water

HG/T 3519-2012 Industrial circulating cooling water.Determination of benzotriazole
HG/T 3519-2023 Determination of benzotriazole in industrial circulating cooling water
HG/T 3519-2003 Industrial circulating cooling water-Determination of Benzotriazole
HG 5-1519-1985 Determination method of benzotriazole in industrial circulating cooling water
HG/T 3820-2013 Methods of test for synthetic hydrotalcite
HG/T 3820-2006 Methods of test for Nano-synthetic hydrotalcite

Fujian Provincial Standard of the People's Republic of China, Nitrogen in water

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis
DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water

PL-PKN, Nitrogen in water

PN C04642-04-1991 Water and waste water. Tests of pollutants in atmospheric precipitation. Determination of ammonium nitrogen by colorimetric method
PN BN 6019-02-1963
PN C04611 ArkusZ04-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with sodium diethyldithiocarbamate Rang?: 0,001÷1,0 rag/l
PN C04611 ArkusZ05-1972 Water and waste water Tests for copper Determination of copper in boilers water flow cirkuits at thermal power stations by colorimetric method with 4-(2-pyridylazo)-resorcinol Rang?: 0,010 -r- 0,20 mg/l
PN B10280-1969 Painting works by water paints and aqucous emulsion paints in buildinge
PN BN 6091-24-1967
PN EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method
PN Z04092-08-1989 Air purity protection Tests for nitric acid and nitrogen oxides Determination of nitrogen dioxide in ambient air (imision) by spectrophotometric method with passive sampling

NO-SN, Nitrogen in water

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
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate

KR-KS, Nitrogen in water

KS E ISO 11722-2017 Solid mineral fuels－Hard coal－Determination of moisture in the general analysis test sample by drying in nitrogen
KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS M ISO 17234-2-2019 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS M ISO 17234-1-2019 Leather ─ Chemical tests for the determination of certain azo colorants in dyed leathers ─ Part 1: Determination of certain aromatic amines derived from azo colorants

National Metrological Verification Regulations of the People's Republic of China, Nitrogen in water

JJG 1094-2013 Water Quality On-line Analyzers of Total Phosphorus and Total Nitrogen

Society of Automotive Engineers (SAE), Nitrogen in water

SAE AMS2429C-2001 Plating, Bronze Nitriding Stop-Off 90Cu - 10Sn

Professional Standard - Aviation, Nitrogen in water

HB 5297.17-1984 Determination of Nitrogen in Titanium and Titanium Alloys by Steam Distillation
HB 5297.25-2001 Methods of chemical analysis of titanium alloys - Determination of nitrogen content by steam distillation

Yunnan Provincial Standard of the People's Republic of China, Nitrogen in water

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

Professional Standard - Energy, Nitrogen in water

NB/SH/T 6014-2020 Determination of Nitrogenous Compounds in Middle Distillates by Gas Chromatography-Nitrogen Chemiluminescence Detection
NB/SH/T 0162-2021 Color indicator method for determination of basic nitrogen content in petroleum distillates
NB/SH/T 0656-2017 Determination of Carbon, Hydrogen and Nitrogen in Petroleum Products and Lubricants Elemental Analyzer Method

Association of German Mechanical Engineers, Nitrogen in water

VDI 3003 Blatt 1-2015 Nitrogen gas springs in large stamping and forming dies - Safety instructions for usage

(U.S.) Ford Automotive Standards, Nitrogen in water

FORD FLTM EU-BP 053-02-2001 TEST FOR STAINING OF PAINT BY WATER EXRACTABLE INGREDIENTS IN RUBBER
FORD FLTM EU-BP 053-2-2001 TEST FOR STAINING OF PAINT BY WATER EXRACTABLE INGREDIENTS IN RUBBER
FORD FLTM AK 103-02-2001 QUANTITATIVE ANALYSIS OF NITRITE (AS NO2) IN CLEANERS

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

GB/T 31730-2015 Detection of genetically modified components in rice.Membrane-based array method
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 15076.13-1994 Methods for chemical analysis of tantalum and niobium-Determination of nitrogen content in tantalum
GB/T 22923-2008 Determination of nitrogen,phosphorus and potassium for fertilizers by auto analyzer
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 23835.12-2009 Lithium perchlorate anhydrous.Part 12:Determination of total nitrogen content
GB/T 18856.12-2002 Test methods for quality of coal water mixture--Part 12: Determination of nitrogen of coal water mixture
GB/T 14265-1993 General rule of chemical analysis for hydrogen, oxygen, nitrogen, carbon and sulfur in metal's materials
GB/T 5687.4-1985 Methods for chemical analysis of ferro-chromium--The neutralization titration method for the determination of nitrogen content
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 11843-1989 Uranium dioxide powder and pellets--Determination of nitrogen--Spectrophotometric method
GB 11843-1989 Determination of Nitrogen in Uranium Dioxide Powder and Pellets Spectrophotometric Method
GB/T 12960-2007(英文版) Quantitative determination of constituents of cement
GB/T 223.36-1994 Methods for chemical analysis of iron, steel and alloy. The neutral titration method for the determinaion of nitrogen content after distillation separation
GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
GB/T 16480.5-1996 Method for chemical analysis of yttrium and yttium oxide--Determination of nitrogen content
GB/T 18916.8-2006 Norm of water intake.Part 8: Ammonia synthesis
GB/T 14502-1993 Analytical method of nickel-63 in water
GB/T 12375-1990 Analytical method of tritium in water
GB/T 11224-1989 Analytical method of thonium in water
GB/T 11225-1989 Analytical method of plutonium in water
GB/T 5009.3-2003 Determination of moisture in foods
GB/T 6435-2014 Determination of moisture in feedstuffs
GB/T 16032-1995 Workplace air--Determination of nitrogen oxides--Naphthyl ethylenediamine dihydrochloride spectrophotometric method

Jilin Provincial Standard of the People's Republic of China, Nitrogen in water

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

工业和信息化部, Nitrogen in water

YB/T 4566.2-2016 Determination of nitrogen content of vanadium iron nitride, distillation and separation-acid-base neutralization titration method
HG/T 5410-2018 Analysis method of chemical components of medium-temperature sulfur-tolerant hydrolysis catalysts
YB/T 5157-2016 Determination of iron in high-purity graphite products by phenanthroline spectrophotometry

RO-ASRO, Nitrogen in water

STAS 12200-1985 SLUDGES RESULTED FROM= SURFACE WATERS TREATMENT AND WASTE WATERS PURIFI- CATION Nitrogen content determination
STAS 11397-1988 SELF-RETICULATING ACRYLIC CO-POLYMEH IN AQUEOUS DISPERSION FOR LEATHER INDUSTRY
STAS 12607-1988 SLUDGES RESULTED FROM TREATMENT OF SURFACE WATERS AND WASTE WATERS PURIFICATION Content determination of extractable substances in petroleum ether
STAS 6886-1963
STAS 8574-1992 Finished hides and fur finished hides. Moisture determination
STAS SR EN 10179-1994 Chemicat analysis of ferrous materials - Determination of nitrogen (trace amounts) in steel - Spectrophotometric method
STAS 3501-1989 Shoe upper leathers : CHROME TANNED CATTLE IIIDES FINLSHED ON FLESII SIDE General tehnical requirements for quality
SR 3011-1996 Limited hydration warmth cements and resistant to water damage with sulphates content
SR 3011/A1-2000 Limited hydration warmth cements and resistant to water damage with sulphates content

Standard Association of Australia （SAA）, Nitrogen in water

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk
AS 1050.12:1983/Amdt 1:1984
AS 2300.1.2.2:2008 Methods of chemical and physical testing for the dairying industry Method 1.2.2: General methods and principles- Determination of nitrogen—Nitrogen fractions from milk
HB 32-1995 Control of microbial growth in air-handling and water systems of buildings

IT-UNI, Nitrogen in water

UNI 7379-1974
UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.
UNI 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

Japanese Industrial Standards Committee (JISC), Nitrogen in water

JIS B 7988:2007 Continuous analyzers for dinitrogen monoxide in flue gas
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 0102-2:2022 Testing methods for industrial water and industrial wastewater -- Part 2: Inorganic anions, ammonium ion, organic nitrogen, total nitrogen and total phosphorus
JIS B 7953:1997 Continuous analysers for oxides of nitrogen in ambient air
JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS B 7982:2002 Automated measuring systems and analyzers for nitrogen oxides in flue gas
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 G 1228-3:2022 Iron and steel -- Determination of nitrogen -- Part 3: Thermal conductimetric method after fusion in a current of inert gas

Shanxi Provincial Standard of the People's Republic of China, Nitrogen in water

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

Tianjin Provincial Standard of the People's Republic of China, Nitrogen in water

DB12/T 1015-2020 Determination of Nitrogen and Phosphorus in Dung Water of Dairy Farms Mid-infrared Attenuated Total Reflectance Spectrometry
DB12/T 504-2014 Screening method for genetically modified ingredients in rice

Liaoning Provincial Standard of the People's Republic of China, Nitrogen in water

DB21/T 1977-2012 Qualitative PCR detection method for transgenic Bt gene components in rice

Professional Standard - Ocean, Nitrogen in water

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 263-2018 Determination of dissolved nitrous oxide in seawater—Headspace equilibrium gas chromatography method
HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell

Professional Standard - Nuclear Industry, Nitrogen in water

EJ/T 20172-2018 Determination of Nitrogen in Sodium Cooled Fast Neutron Breeder Reactor by Spectrophotometry
EJ/T 738-1992 Neutron moisture meter
EJ/T 814-1994 Determination of Thorium in Uranium Ore PMBP Extraction and Separation of Arsenazo Ⅲ Spectrophotometry

中华人民共和国环境保护部, Nitrogen in water

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 12375-1990 Analytical method of tritium in water
GB 11224-1989 Analytical determination of radium-226 in water
GB 11225-1989 Analytical method of plutonium in water

Professional Standard - Commodity Inspection, Nitrogen in water

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 2584-2010 Protocol of real time polymerase chain reaction for detecting genetically modified components in rice and its derived products
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals

Hunan Provincial Standard of the People's Republic of China, Nitrogen in water

DB43/T 2139-2021 Determination of Nitrogen and Phosphorus in Plants by Continuous Flow Analysis
DB43/T 1403-2018 Water Quality Determination of Ammonia Nitrogen-Gas-liquid Separation and Collection Spectrophotometry

NL-NEN, Nitrogen in water

NEN 6646-1990 Water - Photometric determination of the content of ammonium nitrogen and of the sum of the contents of ammoniacal and organically bound nitrogen according to Kjeldahl by continuous flow analysis
NEN 6803-1992 Dried miik - Separation of fatty constituents from a sample

CEN - European Committee for Standardization, Nitrogen in water

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN 17204:2019 Water quality - Guidance on analysis of mesozooplankton from marine and brackish waters
PREN 17204-2017 Water quality - Guidance on analysis of mesozooplankton from marine and brackish water
PREN 13618-2-2006 Water supply - Hose assembly - Part 2: Semi-rigid hose assembly
PREN 197-1-2018 Cement - Part 1: Composition@ specifications and conformity criteria for common cements

Professional Standard - Urban Construction, Nitrogen in water

CJ/T 63-1999 Municipal sewage.Determination of aniline compounds.AZO spectrophotometric method
CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method

Heilongjiang Provincial Standard of the People's Republic of China, Nitrogen in water

DB23/T 2668-2020 Technical regulations for staged diagnosis of total nitrogen fertilizer control in rice

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, Nitrogen in water

GB/T 19143-2017 Analytical method of element for carbon,hydrogen ,oxygen and nitrogen in rock organics
GB/T 14265-2017 General rule of chemical analysis for hydrogen,oxygen,nitrogen,carbon and sulfur in metallic materials
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content
GB/T 18916.8-2017 Norm of water intake—Part 8：Synthetic ammonia

Xinjiang Provincial Standard of the People's Republic of China, Nitrogen in water

DB65/T 602.2-2001 The determinanation of hydrolyzable nitrogen in soil

U.S. Military Regulations and Norms, Nitrogen in water

ARMY MIL-F-44279 A-1993 FRUIT BARS, (OPERATIONAL RATION COMPONENT)

国家质量监督检验检疫总局, Nitrogen in water

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

AT-ON, Nitrogen in water

ONR 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

ES-UNE, Nitrogen in water

UNE-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 w...
UNE-EN ISO 12782-5:2012 Soil quality - Parameters for geochemical modelling of leaching and speciation of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples (ISO 12782-5:2012) (Endorsed by AENOR in July of 2012.)
UNE-EN 13361:2019 Geosynthetic barriers - Characteristics required for use in the construction of reservoirs and dams

国家能源局, Nitrogen in water

NB/SH/T 0980-2019 Determination of basic nitrogen content in petroleum fractions by potentiometric titration method
NB/T 12004-2016 Determination of organic acids, alcohols, aldehydes and ketones in Fischer-Tropsch synthesis water
SY/T 7436-2019 Separation and detection method of neutral nitrogen compounds in petroleum geological samples
SH/T 0656-2017 Elemental analyzer method for determination of carbon, hydrogen and nitrogen in petroleum products and lubricants

General Motors Corporation (GM), Nitrogen in water

GM 9984434-2003 Universal Waterborne Basecoat Component Revision A

TR-TSE, Nitrogen in water

TS 3651-1981 METHODS FOR THE ANALYSIS OF WATER — DETERMINATION OF IRON CONTENT — 1,10 Phenanthroline Spectrophotometry Method

Professional Standard - Construction Industry, Nitrogen in water

JGJ/T 409-2017 Technical specification for modular indoor reclaimed water integrated system

未注明发布机构, Nitrogen in water

BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN ISO 11905-1:1998(2008)*BS 6068-2.62:1998 Water quality — Determination of nitrogen — Part 1 : Method using oxidative digestion with peroxodisulfate
BS EN 197-1:2011(2019) Cement Part 1 : Composition, specifications and conformity criteria for common cements

Indonesia Standards, Nitrogen in water

SNI 06-6989.14-2004 Water and waste water - Part 14: Test methods of dissolved oxygen by iodometry (azide modification)
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry

GM North America, Nitrogen in water

GM 9984514-1991 Universal Waterborne Basecoat Component of 9984170
GM 9984516-1991 Universal Waterborne Basecoat Component of 9984171
GM GM9765P-1989 Determination of NCO Content in Isocyanates

Professional Standard - Geology, Nitrogen in water

DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry
DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry

农业农村部, Nitrogen in water

NY/T 4162.1-2022 Technical Specifications for Prevention and Control of Nitrogen and Phosphorus Loss in Rice Fields Part 1: Water Control and Emission Reduction
NY/T 4163.3-2022 Technical Guidelines for Comprehensive Prevention and Control of Nitrogen and Phosphorus Loss in Rice Fields Part 3: Flood and Dry Crop Rotation
NY/T 1860.34-2016 Test Guidelines for Determination of Physical and Chemical Properties of Pesticides Part 34: Ability to form complexes in water

United States Navy, Nitrogen in water

NAVY MIL-DTL-17901 C-2005 BEARING COMPONENTS, BONDED SYNTHETIC RUBBER, WATER LUBRICATED

Professional Standard - Ferrous Metallurgy, Nitrogen in water

YB/T 5157-1993 Determination of iron in graphite products of high purity by ortho-phenathroline photometric method

BELST, Nitrogen in water

STB 17.13.05-43-2015 Еnvironmental pгоtесtion and nature use. Analytic (laboratory) control and monitoring of the environment. Water quality. Determination of the concentration of nitrogen of nitrates by photometric method with salicylic acid
STB 924-2008 Extracts and compositions hydroalcoholic from vegetative raw material. General speсifications

US-FCR, Nitrogen in water

FCR COE ETN 87-7-1987 USE OF SYNTHETIC POLYMERS FOR SCALE CONTROL IN STEAM BOILERS
FCR COE EP 1110-2-10-1994 HYDROLOGIC ENGINEERING ANALYSIS CONCEPTS FOR COST- SHARED FLOOD DAMAGE REDUCTION STUDIES

IN-BIS, Nitrogen in water

IS 2490 Pt.9-1977

Professional Standard - Petrochemical Industry, Nitrogen in water

SH/T 0656-1998 Standard test methods for instrumental determination of carbon,hydrogen,and nitrogen in petroleum products and lubricants
NB/SH/T 0823-2010 Standard test method for corrosion-preventive properties of lubricating greases in presence of dilute synthetic sea water environments

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

GB/T 38386-2019 Gas analysis—Determination of oxynitride in gases—The method of Cavity Ring-Down Spectroscopy

AR-IRAM, Nitrogen in water

Professional Standard - Speciality, Nitrogen in water

ZB T14001-1989 Quality classification of automobile water pump assembly

VE-FONDONORMA, Nitrogen in water

NORVEN 76-23-1965

其他未分类, Nitrogen in water

BJY 202107 Supplementary testing method for rice-derived components in Huanglian Shangqing Pills (water pills), Longdan Xiegan Pills (water pills), Fangfeng Tongsheng Pills (water pills) and Fenghancough Pills (water pills)

Natural Gas Processor's Association (NGPA), Nitrogen in water

GPA RR-106-1987 Influence of High Concentrations of Methanol on Hydrate Formation and the Distribution of Glycol in Liquid-Liquid Mixtures

Hebei Provincial Standard of the People's Republic of China, Nitrogen in water

DB13/T 5459-2021 Determination of anionic synthetic detergents in drinking water by direct extraction spectrophotometry