Industrial Grade for Textile Tanning Concrete Sodium Metabisulfite
Product Description
Properties:
White or slightly yellow crystalline powder.
| Appearance | White Powder |
| Purity as Na2S2O5 | 96.5% Minimum |
| SO2 | 65% Minimum |
| Water Insoluble Material | 0.05% Maximum |
| Iron(Fe) | 0.003% Maximum |
| PH | 4.0-4.8 |
| Heavy Metals as pb | 0.0005% Maximum |
In industry, sodium metabisulfite is used in printing and dyeing, organic synthesis, printing, tanning, pharmaceutical and other departments. Sodium metabisulfite is used in the chemical and pharmaceutical industries for the production of insurance powder, sulfamethazine, analgin, caprolactam, etc., as well as the purification of phenylpropanesulfone and benzaldehyde. The photographic industry is used as an ingredient for fixing agents. Perfume industry is used to produce vanillin. It is used as preservative in brewing industry, rubber coagulant and dechlorination agent after cotton bleaching. Organic intermediates, dyes and tanning are used as reducing agents, electroplating industry, wastewater treatment of oil fields and beneficiation agent of mines.
Store in tightly closed original bags at cool, dry and ventilated place.
Sulfate
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