Nitrate nitrogen
Nitrate nitrogen, Total:21 items.
The international standard classification for "Nitrate nitrogen" includes: Water quality .
The Chinese standard classification for "Nitrate nitrogen" includes: Environmental Quality Standard for atmosphere, water and soil , Analysis methods for toxic substances in water .
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 - Environmental Protection
- HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods
- 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
National Metrological Verification Regulations of the People's Republic of China
- JJG 656-2013 Nitrate-Nitrogen Automatic Analyzers
Professional Standard - Water Conservancy
- SL 84-1994 Determination of nitrogen(nitrate) (Ultraviolet spectrophtometric method)
Inner Mongolia Provincial Standard of the People's Republic of China
- DB15/T 1837-2020 Determination of Nitrate Nitrogen in Farmland Irrigation Water by Flow Injection Method
Fujian Provincial Standard of the People's Republic of China
- DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 7480-1987 quality - Determination of nitrate - Spectrophotometric method with phenol disulfonic acid
- GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
Ministry of Ecology and Environment of the People's Replublic of China
- GB 7480-1987 Water quality-Determination of nitrate-Spectrophotometric method with phenol disulfonic acid
National Metrological Technical Specifications of the People's Republic of China
- JJF 1425-2013 Program of Pattern Evaluation of Nitrate-Nitrogen Automatic Analyzers
Professional Standard - Urban Construction
- CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
Yunnan Provincial Standard of the People's Republic of China
- DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration
Danish Standards Foundation
- DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
- DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
Standards Norway
- NS 4745:1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
- 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
Swedish Institute for Standards
- SS 28133:1991 Determination of the sum of the nitrite and nitrate nitrogen content of water
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