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Seawater nitrite nitrogen standard curve

Seawater nitrite nitrogen standard curve, Total:45 items.

The international standard classification for "Seawater nitrite nitrogen standard curve" includes: Water quality .

The Chinese standard classification for "Seawater nitrite nitrogen standard curve" includes: Analysis methods for toxic substances in water , Chemical reagent in general .


Group Standards of the People's Republic of China

  • T/NAIA 0248-2023 Determination of nitrite nitrogen in water quality by continuous flow analysis method
  • T/CPCIF 0168-2021 Rapid detection kits for nitrite,nitrate and ammonia nitrogen in water

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

中华人民共和国环境保护部

  • GB 7493-1987 Water quality-Determination of nitrogen (nitrite)-Spectrophotometric method

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

  • GB/T 7493-1987 quality - Determination of nitrogen (nitrite) - Spectrophotometric method
  • GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling--The determination of nitrates and nitrites--Ultraviolet spectrophotometry for nitrites

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

Taiwan Provincial Standard of the People's Republic of China

Professional Standard - Environmental Protection

  • HJ 634-2012 Soil-Determination of ammonium,nitrite and nitrate by extraction with potassium chloride solution -spectrophotometric methods

Professional Standard - Urban Construction

  • 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

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
  • 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

SCC

  • 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
  • DANSK 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
  • AS 2029:1977 Method for the determination of nitrate and nitrite content in waters

NO-SN

  • 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

SE-SIS

  • SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

American Society for Testing and Materials (ASTM)

  • ASTM D3867-99 Standard Test Methods for Nitrite-Nitrate in Water
  • ASTM D3867-09 Standard Test Methods for Nitrite-Nitrate in Water
  • ASTM D3867-04 Standard Test Methods for Nitrite-Nitrate in Water
  • ASTM D3867-16 Standard Test Methods for Nitrite-Nitrate in Water
  • ASTM D3867-16(2021)e1 Standard Test Methods for Nitrite-Nitrate in Water
  • ASTM D7781-14 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase
  • ASTM D7781-23 Standard Test Method for Nitrite-Nitrate in Water by Nitrate Reductase

YU-JUS

  • JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

RO-ASRO

ZA-SANS

  • SANS 5210:2010 Water - Nitrate and nitrite content
  • SANS 5210:2006 Water - Nitrate and nitrite content
  • 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

Korean Agency for Technology and Standards (KATS)

  • KS M 1044-2009 Nitrite ion standard solution
  • 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

BE-NBN

  • NBN T 91-257-1977 Water analysis methods - Determination of the nitrite nitrogen - Photoraetric method

GSO

  • OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
  • GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection

HU-MSZT

British Standards Institution (BSI)

  • 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

International Organization for Standardization (ISO)

  • 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

European Committee for Standardization (CEN)

  • 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

Association Francaise de Normalisation

  • NF V03-010-3:1998 Foodstuffs. Determination of nitrate and/or nitrite content. Part 3 : spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite.

German Institute for Standardization

  • 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