Ammonia nitrogen pair

Ammonia nitrogen pair, Total:25 items.

The international standard classification for "Ammonia nitrogen pair" includes: Water quality , Spices and condiments. Food additives .

The Chinese standard classification for "Ammonia nitrogen pair" includes: Analysis methods for toxic substances in water , Analysis methods for exhaust emission pollutants , Flavoring materials .

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Professional Standard - Chemical Industry

• HGB 3470-1962 p-aminoazobenzene

Group Standards of the People's Republic of China

• T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography

Professional Standard - Environmental Protection

• HJ/T 195-2005 Water quality -- Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
• HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
• HJ 665-2013 Water quality - Determination of ammonium nitrogen by continuous flow analysis(CFA) and Salicylic acid spectrophotometry
• HJ/T 64.3-2001 Stationary source emission -- Determination of cadmium p-Azobenzenediazoaminazobenzene sulfonic acid spectrophotometric method

Hubei Provincial Standard of the People's Republic of China

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

National Metrological Technical Specifications of the People's Republic of China

• JJF 1424-2013 Program of Pattern Evaluation of Ammonia-Nitrogen Automatic Analyzers

Professional Standard - Urban Construction

• CJ/T 75-1999 Municipal sewage.Determination of nitrogen(ammonia)

Professional Standard - Business

• SB/T 10318-1999 Analysis of ammoniacal nitrogen

European Committee for Standardization (CEN)

• EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch
• EN 15750:2009 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods

German Institute for Standardization

• DIN EN 15558:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Ulsch; English version of DIN EN 15558:2009-06
• DIN EN 15750:2010 Fertilizers - Determination of total nitrogen in fertilizers containing nitrogen only as nitric, ammoniacal and urea nitrogen by two different methods; German version EN 15750:2009

British Standards Institution (BSI)

• BS EN ISO 9702:1997 Plastics - Amine epoxide hardeners - Determination of primary, secondary and tertiary amine group nitrogen content
• BS DD CEN/TS 15604:2007 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen
• BS EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

GOSTR

• GOST R ISO 15604-2019 Fertilizers. Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

Korean Agency for Technology and Standards (KATS)

• KS M ISO 9702:2002 Plastics－Amine epoxide hardners－Determination of primary, secondary and tertiary amine group nitrogen content

Association Francaise de Normalisation

• NF T51-702*NF EN ISO 9702:1998 Plastics. Amine epoxide hardeners. Determination of primary, secondary and tertiary amine group nitrogen content.
• NF U42-149*NF EN 15604:2009 Fertilizers - Determination of different forms of nitrogen in the same sample, containing nitrogen as nitric, ammoniacal, urea and cyanamide nitrogen

RU-GOST R

• GOST EN 15604-2013 Fertilizers. Determination of different forms of nitrogen in the same sample: nitric, ammoniacal, cyanamide and urea nitrogen

Danish Standards Foundation

• DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

AENOR

• UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

Lithuanian Standards Office

• LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

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