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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.sjzwfkj.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.sjzwfkj.com

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