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Determination of ammonia nitrogen in water quality analysis

Determination of ammonia nitrogen in water quality analysis, Total:282 items.

In the international standard classification, Determination of ammonia nitrogen in water quality analysis involves: Vocabularies, Water quality, Test conditions and procedures in general, Fertilizers, Non-ferrous metals, General methods of tests and analysis for food products, Animal feeding stuffs, Products of the chemical industry, Inorganic chemicals, Farming and forestry, Geology. Meteorology. Hydrology, Analytical chemistry, Spices and condiments. Food additives, Paint ingredients, Coals, Metalliferous minerals, Soil quality. Pedology, Burners. Boilers, Leather technology, Ferrous metals, Beverages, Air quality, Tea. Coffee. Cocoa, Testing of metals, Fuels, Organic chemicals, Power stations in general.

Danish Standards Foundation, Determination of ammonia nitrogen in water quality analysis

DS 224:1975 Water analysis. Determination of ammonia-nitrogen
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS 281:1975 Water analysis. Determination of phenol in water
DS 280:1976 Water analysis. Determination of sulphide in waste 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/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
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 278:1976 Water analysis. Detrmination of sulphide in natural and pure water

Professional Standard - Environmental Protection, Determination of ammonia nitrogen in water quality analysis

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 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 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 550-2015 Water quality.Determination of cobalt.5-Cl-PADAB Spectrophotometry
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 1191-2021 Spectrophotometric method for the determination of water quality azide
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 811-2016 Water quality―Determination of total selenium―3,3′-Diaminobenzidine spectrophotometric method

BE-NBN, Determination of ammonia nitrogen in water quality analysis

NBN T 91-255-1976 Water analysis methods - Determination of the ammoniacal and organic nitrogen - (Kjeldahl nitrogen)
NBN T 91-252-1976 Water analysis methods - Determination of the ammoniacal nitro-gen after preliminary distillation
NBN T 91-254-1976 Water analysis methods - Determination of the ammoniacal nitrogen -Direct photometric methodwith sodium phenate
NBN T 91-251-1976 Water analysis methods — Determination of the ammoniacal nitrogen — Direct photometric method with Nessler reagent
NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen
NBN T 03-041-1979 Nitric acid for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
NBN 817-1969
NBN T 91-256-1977 Water analysis methods - Determination of the nitrate nitrogen -Photometric method with chromotropic acid
NBN T 03-024-1979 Sulphuric acid and oleum for industrial use - Determination of ammoniacal nitrogen content - Spectrophotometric method
NBN 876-1970
NBN T 91-504-1978 Water analysis methods - Determination of Azur A active substances
NBN-EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method

Korean Agency for Technology and Standards (KATS), Determination of ammonia nitrogen in water quality analysis

KS I ISO 11732:2008 Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS 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 13878:2009 Soil quality－Determination of total nitrogen content by dry combustion(“elemental analysis”)
KS I ISO 6332:2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
KS I ISO 11905-2-2008(2013) Water quality－Determination of nitrogen－Part 2：Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
KS M 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 17234-2:2014 Leather — Chemical tests for the determination of certain azo colorants in dyed leathers — Part 2: Determination of 4-aminoazobenzene
KS I ISO 11905-1:2008 Water quality-Determination of nitrogen-Part 1:Method using oxidative digestion with peroxodisulfate
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 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 E ISO 331:2002 Coal－Determination of moisture in the analysis sample－Direct gravimetric method
KS I ISO 10695:2006 Water quality－Determination of selected organic nitrogen andphosphorus compounds－Gas chromatographic methods
KS I ISO 22743-2009(2019) Water quality－Determination of sulfates－Method by continuous flow analysis(CFA)
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

Association Francaise de Normalisation, Determination of ammonia nitrogen in water quality analysis

NF T90-080*NF EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection.
NF EN ISO 11732:2005 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 T20-297:1971 Chemical analysis of sulphuric acid and oleum. Determination of ammoniacal nitrogen. Spectrophotometric method.
NF U42-125:1985 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method.
NF 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 17234-2:2011 Cuir - Essais chimiques pour le dosage de certains colorants azoïques dans les cuirs teints - Partie 2 : dosage du 4-aminoazobenzène
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 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 T90-260:2023 Qualité de l'eau - Caractérisation des méthodes d'analyses - Mesure du potentiel d'oxydoréduction dans l'eau
NF T90-026:1993 Water quality - Determination of total arsenic - Silver diethyldithiocarbamate spectrophotometric method.
NF A06-373*NF EN 10179:1989 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method.

International Organization for Standardization (ISO), Determination of ammonia nitrogen in water quality analysis

ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
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 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 7408:1983 Fertilizers; Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide; Titrimetric method
ISO 6332:1982 Water analysis — Determination of iron — 1,10-phenanthroline photometric method
ISO 11722:2013 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen
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 11905-1:1997 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate
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 28540:2011 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 2596:1973 Title missing - Legacy paper document
ISO 2596:1980 Iron ores — Determination of hygroscopic moisture in analytical samples
ISO 10695:2000 Water quality - Determination of selected organic nitrogen and phosphorus compounds - Gas-chromatographic methods
ISO 11722:1999 Solid mineral fuels - Hard coal - Determination of moisture in the general analysis test sample by drying in nitrogen

Group Standards of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

T/CHES 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry
T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
T/NAIA 0208-2023 Determination of Stable Isotope Ratio of Carbon and Nitrogen in Lycium Barbarum by Stable Isotope Analyzer Method
T/NAIA 004-2020 Determination of Ammonia Nitrogen Concentration in Rumen Fluid Alkaline Sodium Hypochlorite-Phenol Spectrophotometry
T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry

Japanese Industrial Standards Committee (JISC), Determination of ammonia nitrogen in water quality analysis

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 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 0170-2:2011 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

British Standards Institution (BSI), Determination of ammonia nitrogen in water quality analysis

BS 5551-4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
BS 5551-4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS 5551 SubSec.4.1.2:1982 Fertilizers. Chemical analysis. Determination of nitrogen. Determination of ammoniacal nitrogen, titrimetric method after distillation
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS 5551 SubSec.4.1.4:1984 Fertilizers. Chemical analysis. Determination of nitrogen. Method for determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide (titrimetric method)
BS 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
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
BS ISO 5068-2:2007 Brown coals and lignites - Determination of moisture content - Indirect gravimetric method for moisture in the analysis sample
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
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

Professional Standard - Geology, Determination of ammonia nitrogen in water quality analysis

DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry
DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
DZ/T 0064.67-2021 Methods of analysis of groundwater quality - Part 67: Determination of sulfides by p-aminodimethylaniline spectrophotometric method
DZ/T 0064.73-2021 Methods of Analysis of Groundwater Quality - Part 73: Determination of Volatile Phenols 4-Aminoantipyridine Spectrophotometric Method

Hunan Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

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

Professional Standard - Urban Construction, Determination of ammonia nitrogen in water quality analysis

CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method

NO-SN, Determination of ammonia nitrogen in water quality analysis

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4743-1993 Water analysis. Determination of total nitrogen after oxidation with peroxodisulphate
NS 4799-1993 Water analysis. Determination of acid soluble aluminium in water. Photometric method
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation
NS 9803-1993 Water analysis. Determination of oil in water. Infrared spectrophotometric method
NS 4716-1991 Water analysis - Microfungi in water - Determination with the membrane filter method
NS 4762-1988 Water analysis - Determination of sulphate content of water - Nephelometric method

Professional Standard - Agriculture, Determination of ammonia nitrogen in water quality analysis

SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
NY/T 1618-2008 Determination of amino acids in velvet antler by amino acid analyzer
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
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
水产品质量安全检验手册 2.12.0.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 12 Determination of Amino Acids in Aquatic Products (GBT 5009.124-2003)

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

GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content

CEN - European Committee for Standardization, Determination of ammonia nitrogen in water quality analysis

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection
PD CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis

German Institute for Standardization, Determination of ammonia nitrogen in water quality analysis

DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 11905-1:1998 Water quality - Determination of nitrogen - Part 1: Method using oxidative digestion with peroxodisulfate (ISO 11905-1:1997); German version EN ISO 11905-1:1998
DIN EN ISO 11732:2005-05 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 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 EN 10179:1990 Chemical analysis of ferrous materials; determination of nitrogen (trace amounts) in steels; spectrophotometric method; German version EN 10179:1989
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

NL-NEN, Determination of ammonia nitrogen in water quality analysis

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

国家质量监督检验检疫总局, Determination of ammonia nitrogen in water quality analysis

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

PT-IPQ, Determination of ammonia nitrogen in water quality analysis

E 211-1967
NP 4109-1990 Textiles Wool. Determination of cystine plus cysteine in hydrolysates. Colorimetric method

Inner Mongolia Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

DB15/T 2037-2020 Determination of tryptophan in feed by microwave hydrolysis-amino acid automatic analyzer method

European Committee for Standardization (CEN), Determination of ammonia nitrogen in water quality analysis

EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
CEN/TR 17365:2019 Method for the determination of C3A in the clinker from cement analysis
EN 10179:1989 Chemical Analysis of Ferrous Materials - Determination of Nitrogen (Trace Mounts) in Steel Spectrophotometric Method

ZA-SANS, Determination of ammonia nitrogen in water quality analysis

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 11732:2006 Water quality - Determination of ammonium nitrogen - Method 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

American Society for Testing and Materials (ASTM), Determination of ammonia nitrogen in water quality analysis

ASTM C1494-01(2007) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13 Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM C1494-13(2018) Standard Test Methods for Determination of Mass Fraction of Carbon, Nitrogen, and Oxygen in Silicon Nitride Powder
ASTM UOP481-10 Water in Liquid Hydrocarbons by Coulometry
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 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 UOP874-88 Pore Size Distribution of Porous Substances by Nitrogen Adsoprtion Using a Quantachrome Analyzer
ASTM UOP344-87 Moisture in Hydrocarbon Streams Using an On-Line Analyzer

AT-ON, Determination of ammonia nitrogen in water quality analysis

ONORM M 6272-1985 Water analysis; determination of the mass concentration of settleable matter in water and waste water
ONORM M 6271-1985 Water analysis; determination of the settleable matter by volumein water and waste water
ONORM M 6616-1994 Water analysis - Determination of temperature
ONORM M 6265-1991 Water analysis; determination of the chemical oxygen dem and Qualite de l'eau; determination de la demande chimique en oxygene
ONORM M 6607-1992 Water analysis — Determination of fluoride
ONORM L 1092-1993 Chemical analysis of soils - Determination of water soluble substances
ONORM M 6621-1994 Water analysis — Determination of selected organi? nitrogen and phosphorus Compounds, in particular pesticides, by gas chromatography after solid-liquid-extraction
ONORM M 6615-1994 Water analysis - Determination of dissolved and easily liberated sulfide
ONORM M 6610-2000 Water analysis - Photometric determination of dissolved silicate
ONORM M 6275-1987 Water analysis; determination of adsorbable organic halogens (AOX)
ONORM M 6614-2001 Water analysis - Determinaiton of extractable organic bound halogens (EOX)

SE-SIS, Determination of ammonia nitrogen in water quality analysis

SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
SIS SS 02 81 44-1979 Determi'nation of oil and grease in water — Gravimetric method
SIS 02 81 27-1974 Determ i nation of total phosphorous content of water
SIS 02 81 21-1974 Determination of the sum of calcium and magnesium concentration of water
SIS SS 02 81 98-1989 Determination of sulfate content of water — Nephelometric method
SIS SS 02 81 77-1986 Determination of easily liberatable cyanide in water — Photometric or titrimetric method
SIS SS-EN 10 179-1989 Chemical analysis of ferrous materials — Determination of nitrogen (trace amounts) in steel — spectrophotometric method
SIS SS 02 81 76-1986 Determination of total cyanide in water - Photometric or titrimetric method

CZ-CSN, Determination of ammonia nitrogen in water quality analysis

CSN 83 0540 Cast.10-1984 Chemical and physical analysis of waste water Determlnation of ammoMa and ammonium lons
CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen
CSN 83 0520 Cast.19-1976 Physico-chemical analysis of drinking water. Determination of ammonia and ammonium ions
CSN 83 4728 Cast.1-1984 Air quality. Emission measurement of ammonia from stationary sources of air pollution. General part
CSN 83 0540 Cast.13-1984 Chemical and physical analysis of waste water Determination of organic and total nitrogen
CSN 75 7716-1998 Water quality - Biological analysis - Determination of saprobic index
CSN 75 7715-1998 Water quality - Biological analysis - Determination of periphyton
CSN 75 7714-1998 Water quality - Biological analysis - Determination of benthos
CSN ISO 6332:1995 Water quality - Determination of iron - Spectrometric method using 1,10-phenantroline
CSN 75 7712-2005 Water quality - Biological analysis - Determination of bioseston
CSN EN 10 179-1993 Chemical analysis of ferrous metals — Determination of nitrogen (trace amounts) in steels — Spectrophotometric method
CSN 44 1363-1960 Determination of moisture in the analysis sample of coal by the direct gravimetric method
CSN 44 1583 Cast.3-1972 Chemical analysis of bauxite Determination of moisture content
CSN 75 7713-1998 Water quality - Biological analysis - Determination of abioseston
CSN 05 1021 Cast.13-1988 Welding. Analysis of aerosols generated in wel- ding. Determination of molybden?m content
CSN 05 1021 Cast.11-1988 Welding.Annlysis of acrusels generaled in wel-ding. Delerminulion of cobalt comenl
CSN 05 1021 Cast.6-1988 Welding.Analysis of aerosols generated in wel- ding. Determination of copper con- tent
CSN 05 1021 Cast.5-1988 Welding.Analysis of aerosols generated in wel- ding. Determination' of chromium content
CSN 05 1021 Cast.10-1988 Welding.Analysis of aerosols generated in wel-ding. Determination of titanium con- tent
CSN 05 1021 Cast.3-1988 Welding. Analysis of aerosols generated in wel- ding. Determination of manganese content
CSN 05 1021 Cast.14-1988 Welding.Analysis of aerosols generated in wel- ding. Determination of zinc content
CSN 05 1021 Cast.2-1988 Welding. Analysis of aerosols generated in wel- ding. Determination of nickel content
CSN 05 1021 Cast.4-1988 Welding.Analysis of aerosols generated in wel- ding. Determination of iron content
CSN 05 1021 Cast.7-1988 Welding. Analysis of aerosols generated in wel- ding. Determination of aluminium content
CSN 05 1021 Cast.15-1988 Welding. Analysis of aerosols generated in wel- ding. Determination of tungsten con- tent
CSN 05 1021 Cast.16-1988 Welding. Analysis of aerosols generated in wel- ding. Determination of lead content
CSN 83 0520 Cast.29-1976 Physicochemical analysis of drinking water. Determination of humic matter

Fujian Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

DB35/T 1144-2011 Determination of inorganic nitrogen and active phosphate in seawater by flow chemical analysis

AENOR, Determination of ammonia nitrogen in water quality analysis

UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
UNE-EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
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 32203:2012 Coke. Determination of moisture in the general analysis test sample
UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).

中华人民共和国环境保护部, Determination of ammonia nitrogen in water quality analysis

GB 11224-1989 Analytical determination of radium-226 in water
GB 11214-1989 Analytical determination of radium-226 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

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Determination of ammonia nitrogen in water quality analysis

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 6906-1986 Methods for analysis of water for boiler and for cooling--The determination of hydrazine
GB/T 6906-2006 Methods for analysis of water for boiler and for cooling The determination of hydrazine
GB 6906-1986 Analytical methods for boiler water and cooling water - Determination of hydrazine
GB/T 11214-1989 Analytical determination of radium-226 in water
GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
GB/T 22974-2008 Determination of isometamidium residues in milk and milk powder.LC-MS-MS method
GB/T 12146-1989 Analysis of water used in boiler and cooling system--Determination of ammonia--Phenol method
GB/T 12146-2005 Analysis of water used in boil and cooling system Determination of ammonia-Phenol method
GB/T 14422-2008 Analysis of water used in boiler and cooling systems.Determination of benzotriazole
GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
GB/T 42487-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen potassium chloride solution leaching flow analysis method
GB/T 42485-2023 Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen
GB/T 14422-1993 Analysis of water used in boiler and cooling system. Determination of benzotriazole. Ultraviolet spectrophotometry
GB/T 16480.5-1996 Method for chemical analysis of yttrium and yttium oxide--Determination of nitrogen content
GB/T 15507-1995 Water quality--Determination of hydrazine--p-Dime-tylaminobenzaldehyde spectrophotometric method
GB/T 18868-2002 Method for determination of moisture,crude protein,crude fat,crude fibre,lysine and methinione in feeds--Near infrared reflectance spectroscopy

Professional Standard - Commodity Inspection, Determination of ammonia nitrogen in water quality analysis

SN/T 3097-2012 Determination of total nitrogen in fertelezers.Combustion
SN/T 0930-2000 Method for the determination of total amino acid in pollen for import and export-Amino acid automatic analyzer method
SN/T 3005-2011 Test method for instrumental determination of carbon,hydrogen,nitrogen and sulfur in organic chemicals

VN-TCVN, Determination of ammonia nitrogen in water quality analysis

TCVN 6645-2000 Soil quality.Determination of total nitrogen content by dry combustion ("elemental analysis")
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

Jilin Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

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, Determination of ammonia nitrogen in water quality analysis

HG/T 4963.2-2016 Determination of Hazardous Substances in Pigment Printing Paste Products Part 2: Determination of 4-Aminoazobenzene Gas Chromatography-Mass Spectrometry
SH/T 1549-2020 Guidelines for the use of online analyzers for the determination of moisture in industrial light olefins

Lithuanian Standards Office , Determination of ammonia nitrogen in water quality analysis

LST EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
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 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)

IT-UNI, Determination of ammonia nitrogen in water quality analysis

UNI 3619-1955 Procedures for chemical analysis of minerals. Determination of combined water in iron ore.
UNI 7336-1974 Chemical analysis of ferrous materials. Determination of nitrogen in steel. Spectrophotometric method.
UNI 3622-1955
UNI 3617-1955 Procedures for chemical analysis of minerals. Determination of arsenic in iron ore. Gravimetric method.
UNI 3664-1955 Procedures for chemical analysis of minerals. Determination of sulphur in iron ore. Gravimetric method.
UNI 3665-1955 Procedures for chemical analysis of minerals. Determination of total alkali in iron ore. Gravimetric method, for standard analyses.
UNI 3623-1955 Procedures for chemical analysis of minerals. Determination of phosphorus in iron ore. Alkalimetric method, for standard analyses.

Xinjiang Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

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

Standard Association of Australia （SAA）, Determination of ammonia nitrogen in water quality analysis

AS 1050.12:1983/Amdt 1:1984

RU-GOST R, Determination of ammonia nitrogen in water quality analysis

GOST R 51124-1997 Fruit and vegetable juices. Protometrical method for determination of proline
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

KR-KS, Determination of ammonia nitrogen in water quality analysis

KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
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

未注明发布机构, Determination of ammonia nitrogen in water quality analysis

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

YU-JUS, Determination of ammonia nitrogen in water quality analysis

JUS C.A1.409-1982 Methods for chemical analysi$ of ferroalloys. Titrimetric determination ofnitrogen in ferro-chromium
JUS H.B8.162-1988 Fertillzets. Determination of water content in fertilizers vrith nitrogen component trom carbamide. Gravimetric metbo?
JUS B.G8.132-1977 Metho?s of chemical analysis of iron ores. Determination ofhygroskopic moisture in analytical samples

RO-ASRO, Determination of ammonia nitrogen in water quality analysis

STAS SR 13348-1-1996 Tea. Analysis methods. Determination of proteic nitrogen by the Kjeldahl method. Spectrophotometric method
STAS SR EN 10179-1994 Chemicat analysis of ferrous materials - Determination of nitrogen (trace amounts) in steel - Spectrophotometric method

Professional Standard - Ocean, Determination of ammonia nitrogen in water quality analysis

HY/T 0345-2022 Determination of seawater trace nitrite—Flow analysis,diazotization and spectrophotometric detection witha long path length flow cell
HY/T 0346-2022 Determination of seawater trace nitrate—Flow analysis,cadmium reduction,diazotization and spectrophotometric detection with a long path length flow cell

BELST, Determination of ammonia nitrogen in water quality analysis

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

TR-TSE, Determination of ammonia nitrogen in water quality analysis

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

Professional Standard - Petrochemical Industry, Determination of ammonia nitrogen in water quality analysis

SH/T 1549-1993 Guidelines for the use of on-line analyzers for the determination of moisture in industrial light olefins

Professional Standard - Energy, Determination of ammonia nitrogen in water quality analysis

NB/SH/T 0656-2017 Determination of Carbon, Hydrogen and Nitrogen in Petroleum Products and Lubricants Elemental Analyzer Method

国家市场监督管理总局、中国国家标准化管理委员会, Determination of ammonia nitrogen in water quality analysis

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

国家能源局, Determination of ammonia nitrogen in water quality analysis

SH/T 0656-2017 Elemental analyzer method for determination of carbon, hydrogen and nitrogen in petroleum products and lubricants

PL-PKN, Determination of ammonia nitrogen in water quality analysis

PN EN 10179-1992 Chemical analysis of ferrous materials. Determination of nitrogen (trace amounts) in steels. Spectrophotometric method

ES-AENOR, Determination of ammonia nitrogen in water quality analysis

UNE 80-220-1985

Professional Standard - Electricity, Determination of ammonia nitrogen in water quality analysis

DL/T 502.15-2006 Analytical methods of steam and water in power plants Part 15: Determination of ammonia (Volumetric method)
DL/T 502.17-2006 Analytical methods of steam and water in power plants Part 17: Determination of hydrazine (Direct method)
DL/T 502.18-2006 Analytical methods of steam and water in power plants Part 18: Determination of hydrazine (Indirect method)

Shandong Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

DB37/T 4154-2020 Determination of water quality odor Olfactory hierarchy analysis method (FPA method)

Heilongjiang Provincial Standard of the People's Republic of China, Determination of ammonia nitrogen in water quality analysis

DB23/T 2487-2019 Determination of cyanide in water by continuous flow analysis