焦亚硫酸钠
详细说明
Sodium Metabisulphite
CAS No.: 7681-57-4
Formula: Na₂S₂O₅
M.W.: 190.10
Appearance: White or slight yellow powder
Specifications: 97% min
Inspection Item | Standard |
Na₂S₂O₅ | 97.0% min |
Water Insoluble | 0.05% max |
Fe | 0.003% max |
Arsenic | 0.0001% max |
SO₂ | 65.0% min |
Heavy Metal (as Pb) | 0.0005% max |
PH | 4.0 - 4.8 |
Package: in 25kg bag
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