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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: m.bcb118.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: m.bcb118.com

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

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