Use one
Used as a bleaching agent, mordant, reductant, rubber coagulant, also used in organic synthesis, pharmaceutical and spices.
Uses two
Chromatography analysis reagents, preservatives and reducing agents, dyes and pharmaceutical industries for
Uses three
Shakespeare sulfate sodium metabisulfite more intense reduction, similar to the role and sodium sulfite. China provides for preserves, biscuits, sugar, sugar, caramel, candy, glucose, liquid glucose, bamboo shoots, mushrooms and canned mushrooms, maximum use of 0.45g/kg. Candied fruit, bamboo shoots, mushrooms and canned mushrooms, residue and blackcurrant juice grapes (in SO2 dollars) less than 0.05g/kg; residues of biscuits, sugar, noodles and other varieties of less than 0.1g/kg; liquid glucose residues amount of not more than 0.2g/kg.
Uses four
Four food industry as a bleaching agent, preservative, osteoporosis agents, anti-oxidants, color agents and preservatives.
Use five
Pharmaceutical industry for the production of chloroform, benzene and formaldehyde solasulfone. Rubber industry as a coagulant. Bleached cotton dyeing industry as dechlorination agent, cotton scouring additives. Treatment for leather tanning industry, make the leather soft, plump, tough, waterproof, bending, wear-resistant properties. Chemical industry for the production of hydroxy vanillin, hydroxylamine hydrochloride. Photographic industry as a developer and so on.
Uses six
Analysis. Preservative. Reductant. Antioxidants