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nitrate nitrogen
nitrate nitrogen, Total:38 items.
In the international standard classification, nitrate nitrogen involves: Vocabularies, Water quality, Soil quality. Pedology, Farming and forestry, Air quality, Test conditions and procedures in general.
Danish Standards Foundation, nitrate nitrogen
- 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
- DS/EN ISO 13395:1997 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, 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
Professional Standard - Environmental Protection, nitrate nitrogen
- 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
Yunnan Provincial Standard of the People's Republic of China, nitrate nitrogen
- DB53/T 624-2014 Determination of Nitrate Nitrogen and Nitrite Nitrogen in Coking Wastewater by Dairyler's Alloy Reduction-Neutralization Titration
未注明发布机构, nitrate nitrogen
- BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
Korean Agency for Technology and Standards (KATS), nitrate nitrogen
- KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both 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
SE-SIS, nitrate nitrogen
German Institute for Standardization, nitrate nitrogen
- DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
European Committee for Standardization (CEN), nitrate nitrogen
- 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
International Organization for Standardization (ISO), nitrate nitrogen
- 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
Lithuanian Standards Office , nitrate nitrogen
- LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
ZA-SANS, nitrate nitrogen
- 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
RU-GOST R, nitrate nitrogen
National Metrological Verification Regulations of the People's Republic of China, nitrate nitrogen
- JJG 656-2013 Verification Regulation of Nitrate-Nitrogen Automatic Analyzers
AENOR, nitrate nitrogen
- UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
Professional Standard - Water Conservancy, nitrate nitrogen
- SL 84-1994 Determination of nitrogen (nitrate)(Ultraviolet spectrophtometric method)
中华人民共和国环境保护部, nitrate nitrogen
- GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method
- 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, nitrate nitrogen
- JJF 1425-2013 Program of Pattern Evaluation of Nitrate-Nitrogen Automatic Analyzers
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, nitrate nitrogen
- GB/T 7493-1987 Water quality--Determination of nitrogen (nitrite)--Spectrophotometric method
- GB/T 7480-1987 Water quality--Determination of nitrate--Spectrophotometric method with phenol disulfonic acid
Inner Mongolia Provincial Standard of the People's Republic of China, nitrate nitrogen
- 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, nitrate nitrogen
- DB35/T 2006-2021 Chemical conversion method for determination of nitrate nitrogen isotope in water
BE-NBN, nitrate nitrogen
- NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method
Professional Standard - Urban Construction, nitrate nitrogen
- CJ/T 76-1999 Municipal sewage.Determination of nitrogen(nitrite).Sepectrophotometric method
- CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
Group Standards of the People's Republic of China, nitrate nitrogen
- T/CHES 13-2017 Water Quality Determination of Nitrate Nitrogen Gas Phase Molecular Absorption Spectrometry
- T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
- T/CHES 14-2017 Water Quality Determination of Nitrite Nitrogen Gas Phase Molecular Absorption Spectrometry
RO-ASRO, nitrate nitrogen
- STAS SR ISO 7408:1993 Fertilizers. Determination of ammoniacal nitrogen content in the presence of other substances which release ammonia when treated with sodium hydroxide. Titrimetric method
YU-JUS, nitrate nitrogen
- JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method