Ammonia nitrogen

Ammonia nitrogen, Total:40 items.

The international standard classification for "Ammonia nitrogen" includes: Water quality , Organic chemicals , Other non-ferrous metals and their alloys .

The Chinese standard classification for "Ammonia nitrogen" includes: Water supply and draining instrument and equipment , Analysis methods for toxic substances in water , Organic chemicals in general , Rare metals and their alloys analysis method .

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Professional Standard - Urban Construction

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

Taiwan Provincial Standard of the People's Republic of China

• CNS 3942-1976 Methods for Determination of Ammonia Nitrogen in Polluted and Waste Water

Group Standards of the People's Republic of China

• T/CIMA 0041-2021 Ammonia Nitrogen Rapid Tester
• T/NAIA 0169-2022 Water Quality Determination of Ammonia Nitrogen by Ion Chromatography
• T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method
• T/NAIA 001-2020 Determination of ammoniacal nitrogen in fermented feed Kjeldahl method

National Metrological Verification Regulations of the People's Republic of China

• JJG 631-2013 Ammonia-Nitrogen Automatic Analyzers

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 - Environmental Protection

• HJ 536-2009 Water quality-Determination of ammonia nitrogen-Salicylic acid spectrophotometry
• HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
• HJ 535-2009 Water Quality - Determination of Ammonia Nitrogen - Nesslers Reagent Spectrophotometry
• HJ 537-2009 Water quality-Determination of ammonia nitrogen-Distillation-neutralization titration
• HJ 101-2019 Technical specifications and test procedures for water quality on-line automatic monitoring equipment of ammonia
• HJ 666-2013 Water quality-Determination of ammonium nitrogen by flow injection analysis (FIA) and Salicylic acid spectrophotometry
• HJ 665-2013 Water quality - Determination of ammonium nitrogen by continuous flow analysis(CFA) and Salicylic acid spectrophotometry
• HJ/T 195-2005 Water quality -- Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
• HJ/T 101-2003 The technical requirement for water quality automatic analyzer of ammonia

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

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

Professional Standard - Machinery

• JB/T 11938-2014 Ammonia-Nitrogen Automatic Analyzers for Laboratory-Nessler's Reagent Spectrophotometry

Gosstandart of Russia

• 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

German Institute for Standardization

• DIN EN 15475:2009-04 Fertilizers - Determination of ammoniacal nitrogen; German version EN 15475:2009 / Note: To be replaced by DIN EN ISO 25475 (2019-06).

Danish Standards Foundation

• DANSK DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
• DS/EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
• DANSK DS/ISO 25475:2020 Fertilizers – Determination of ammoniacal nitrogen
• DS 224:1975 Water analysis. Determination of ammonia-nitrogen
• DS/EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

British Standards Institution (BSI)

• PD CEN/TS 15475:2006 Fertilizers - Determination of ammoniacal nitrogen
• PD CEN/TS 15476:2006 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

Lithuanian Standards Office

• LST EN 15475-2009 Fertilizers - Determination of ammoniacal nitrogen
• LST EN 15476-2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

GCC Standardization Organization

• GSO ISO 25475:2021 Fertilizers — Determination of ammoniacal nitrogen

Kingdom of Bahrain Testing and Metrology Directorate

• BH GSO ISO 25475:2022 Fertilizers — Determination of ammoniacal nitrogen

Spanish Association for Standardization (UNE)

• UNE-EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen
• UNE-CEN/TS 15475:2007 EX Fertilizers - Determination of ammoniacal nitrogen
• UNE-EN 15476:2009 Fertilizers - Determination of nitric and ammoniacal nitrogen according to Devarda

Standards Norway

• NS-EN 15475:2009 Fertilizers — Determination of ammoniacal nitrogen
• NS 4746:1975 Water analysis - Determination of ammonia-nitrogen

Association Francaise de Normalisation

• NF EN 15475:2009 Fertilizers - Determination of ammoniacal nitrogen

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