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      Sodium metabisulfite

      Quality standard: HG/T2826-2008


      Item

      National standard
      HG/T2826-2008

      Enterprise current value

      Superior grade

      Top grade

      Main content (as Na2S2O5),%

      ≥96.5

      ≥95.0

      ≥97.0

      Iron content (as Fe),%

      ≤0.005

      ≤0.010

      ≤0.002

      Water insolubles content,%

      ≤0.05

      ≤0.05

      ≤0.02

      Arsenic (as As) content, %

      ≤0.0001

      ≤0.0001

       

      Molecular formula: Na2S2O5
      Molecular weight: 190.10
      Appearance: white crystal powder
      Net weight: 25, 50, 1000 kg/bag or according to customer requirements.

       

      To use
      Used for the production of insurance powder, sulfadimethylpyrimidine, caprolactam, etc., as well as chloroform, phenylsulfoxide and benzaldehyde purification; an ingredient used in the photographic industry as a fixing agent; for the production of vanillin in the spice industry; used as preservative in brewing industry, rubber coagulant and cotton cloth bleaching dechlorination agent; organic intermediates, dyes, tanning used as reducing agents used in electroplating industry, oilfield wastewater treatment and as mineral processing agent in mines, etc.


      In industry
      Used for printing and dyeing, organic synthesis, printing, leather, pharmaceutical and other departments; Used as preservative, bleach and loose agent in food processing.


      Used as chemical reagent
      (printing and dyeing and photography, etc.), used as bleaching agent, mordant, reducing agent, rubber coagulant, also used in organic synthesis pharmaceutical and spices, etc


      Business license

      Company Add: Shijiazhuang New and High-tech Industrial Zone, Hebei province
      P.C.: 050000  Contact: Director Ren +86-13832390234
      Manager Ren +86-13603311335/15027769680   Fax: +86-311-86581118
      E-mail: 250768848@qq.com   Website: www.dgyxsytz.com

      Copyright(C)2021,Shijiazhuang Weifeng Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice

      weifeng technology
      Business license
      weifeng technology

      Company Add: Shijiazhuang New and High-tech Industrial Zone, Hebei province
      P.C.: 050000  Contact: Director Ren +86-13832390234
      Manager Ren +86-13603311335/15027769680   Fax: +86-311-86581118
      E-mail: 250768848@qq.com   Website: www.dgyxsytz.com

      Copyright(C)2021,Shijiazhuang Weifeng Technology Co., Ltd. All Rights Reserved. Supported by ChemNet ChinaChemNet Toocle 31fabu Copyright Notice

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