Sodium Hydrosulfite
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Sodium Hydrosulfite:white free-flow crystal powder
Sodium Hydrosulfite
Packing
1)iron bucket hermetic packing, inside liner double-layer plastic bag,net weight 50KG
2) soft package: inner line PE/nylon/PE three-layer composite plastic bag , outside bag is composite plastic weaving bag, net weight 25KG.
flavourless or smell of sulfur dioxide
Sodium Hydrosulfite s
Guidelines | 90% |
Na2S2O4 | ≥90% |
Fe | ≤20ppm |
Zinc (Zn) | ≤1ppm |
Other heavy metal (With Pb to calculate ) | ≤1ppm |
Matter which does not dissolve in water | ≤0.05% |
Storage time limit( month ) | 12 |
