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.360highschool.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.360highschool.com

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

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