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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.4712hillsboro.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.4712hillsboro.com

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

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