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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.zgjxzzwmhw.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.zgjxzzwmhw.com

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

                  精品久久久久一区二区三区
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