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Nitrite nitrogen
Nitrite nitrogen, Total:18 items.
In the international standard classification, Nitrite nitrogen involves: Soil quality. Pedology, Water quality, Vocabularies, Analytical chemistry, Test conditions and procedures in general.
CZ-CSN, Nitrite nitrogen
FI-SFS, Nitrite nitrogen
- SFS 3029 E-1976 In the event of any differences in interpretation of this standard the Finnish version shall take precedence over this translation
Danish Standards Foundation, Nitrite nitrogen
- DS 230:1988 Water quality. Nitrate- + nitrite-nitrogen. Reduction by Devardas alloy
- DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrite nitrogen
- 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 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
Yunnan Provincial Standard of the People's Republic of China, Nitrite nitrogen
- DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration
Professional Standard - Environmental Protection, Nitrite nitrogen
- HJ 634-2012 Soil.Determination of ammonium, nitrite and nitrate by extraction with potassium chloride solution-spectrophotometric methods
- HJ/T 197-2005 Water quality - Determination of nitrite-nitrogen Gas-phase molecular absorption spectrometry
中华人民共和国环境保护部, Nitrite nitrogen
- GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
NO-SN, Nitrite nitrogen
- NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
BE-NBN, Nitrite nitrogen
- NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
Professional Standard - Urban Construction, Nitrite nitrogen
- CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
Taiwan Provincial Standard of the People's Republic of China, Nitrite nitrogen
- CNS 4052-1976 Methods for Determination of Nitrite Nitrogen in Polluted and Waste Water
Association Francaise de Normalisation, Nitrite nitrogen
- 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
Group Standards of the People's Republic of China, Nitrite nitrogen
- T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
British Standards Institution (BSI), Nitrite nitrogen
- 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