| Color: | White |
|---|---|
| Appearance: | Powder |
| Transport Package: | 25kg Plastic Woven Bag; 25kg/Drum |
|
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Property: White or light-yellow crystalline powder, smell of SO2. No other smell when dried. Specific gravity is 1.4. It's soluble in glycerine, It's soluble slightly in alcohol.
Specification:
Usage: Mainly used for manufacturing sulphuric acid and bactericidal agent, Carrying out vegetable dehydrate, fruit preservation and bleaching.
Packing: In 25kg plastic woven bags lined with PE bag or by 25kg/drum
|
Sodium Metabisulfite |
98% Min |
|
Iron(Fe) |
0.003% Max |
|
Insoluble matter in water |
0.05% Max |
|
PH |
4.0-4.6 |
|
Heavy metal(as Pb) |
0.002% Max |
|
Arsenic(As) |
0.0002% Max |
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