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Common Name: Sodium Metabisulphite
CAS No.:7681-57-4
Specifications:
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Item |
Specification |
Result |
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Purity(Calculated with Na2S2O5) |
96.5% min |
97.2 |
|
Iron(Fe) |
0.0005% max |
0.0003 |
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Arsenic(As) |
0.0002% max |
0.0001 |
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Heavy mental(Pb) |
0.0005% max |
0.0005 |
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Water insoluble matter |
0.05% max |
0.002 |
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PH |
4.0-4.6 |
4.58 |
Application: Mainly used for manufacturing sulfurous acid and bactericidal, Carrying out vegetable dehydrate, fruit preservation and bleaching.
Packing: 25kgs,50kgs per each woven bag with plastic lining, or 1000kgs per each package
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