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Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality, Total:75 items.

In the international standard classification, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality involves: Fertilizers, Vocabularies, Water quality, Test conditions and procedures in general, Organic chemicals, Spices and condiments. Food additives, Non-ferrous metals, Products of the chemical industry, General methods of tests and analysis for food products, Paint ingredients, Plastics.

CEN - European Committee for Standardization, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

PD CEN/TS 15558:2007 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch

Danish Standards Foundation, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

DS/EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
DS 224:1975 Water analysis. Determination of ammonia-nitrogen

Lithuanian Standards Office , Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

LST EN 15558-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch

AENOR, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

UNE-EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch

Association Francaise de Normalisation, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

NF U42-145*NF EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
NF U42-144*NF EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
NF T90-015:1975 TESTING WATER-DETERMINATION OF NITROGEN (AMMONIA)
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 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.

RU-GOST R, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

GOST EN 15476-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Devarda
GOST EN 15559-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Arnd
GOST EN 15558-2013 Fertilizers. Determination of nitric and ammoniacal nitrogen according to Ulsch selon

German Institute for Standardization, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

DIN EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd; English version of DIN EN 15559:2009-06
DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06

European Committee for Standardization (CEN), Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
EN 15559:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Arnd
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

Professional Standard - Environmental Protection, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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

British Standards Institution (BSI), Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

BS EN 12260:2003(2008)*BS 6068-2.83:2003 Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxides
BS 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 23697-2:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Chromotropic acid colour reaction

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

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 27-2019 Water Quality Determination of Ammonia Nitrogen Automatic Analysis Nessler's Reagent Spectrophotometry

Professional Standard - Urban Construction, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ/T 3018.6-1993 Leachate.Determination of ammoniacal nitrogen.Distillation and titration method

RO-ASRO, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

STAS 8683-1970 SURFACE AND WASTE WATERS Determination of ainm nia nitrogen

BE-NBN, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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

VN-TCVN, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

TCVN 3706-1990 Aquatic products.Method for the determination of nitrogen ammonia content
TCVN 3707-1990 Aquatic products.Method for the determination of amine ammonia nitrogen content
TCVN 3708-1990 Aquatic products.Method for the determination of nitrogen amino acid content

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 according to the determination of ammonia nitrogen in water quality

GB/T 34532-2017 Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 34500.5-2017 Chemical analysis methods for rare earth residue and waste water—Part 5：Determination of ammonia nitrogen content

Korean Agency for Technology and Standards (KATS), Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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

International Organization for Standardization (ISO), Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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

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

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

Professional Standard - Agriculture, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

SC/T 9444-2023 Determination of ammonia nitrogen in aquaculture water by gas phase molecular absorption spectrometry
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

PT-IPQ, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

E 211-1967

CU-NC, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

NC 93-01-120-1988 Standards System for Envirorment Protection. Hydrosphere. Determination of Ammo-nial and Organic Nitrogen

CZ-CSN, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

CSN 58 0703-8-1999 Testing methods of dehydrated products and seasonings - Part 8: Determination of ammoniacal nitrogen

Professional Standard - Geology, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

DZ/T 0064.57-2021 Analytical Methods of Groundwater Quality Part 57: Determination of Ammonia Nitrogen by Nessler's Reagent Spectrophotometry

NL-NEN, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

NEN 6482-1982 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
NEN 6481-1983 Water - Determination of the sum of ammoniacal and organically bound nitrogen according to Kjeldahl after mineralization with selenium
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

American Society for Testing and Materials (ASTM), Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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 D5523-21 Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-94(1999)e1 Standard Test Method for Polyurethane Raw Materials Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates
ASTM D5523-15 Standard Test Method for Polyurethane Raw Materials: Acidity by Argentometric Determination of Hydrolyzable Chlorine in Monomeric, Aromatic Isocyanates

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

GB/T 22974-2008 Determination of isometamidium residues in milk and milk powder.LC-MS-MS method

工业和信息化部, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

HG/T 4963.2-2016 Determination of Hazardous Substances in Pigment Printing Paste Products Part 2: Determination of 4-Aminoazobenzene Gas Chromatography-Mass Spectrometry

ZA-SANS, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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

NO-SN, Determination of ammonia nitrogen in water according to the determination of ammonia nitrogen in water quality

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