Description
sodium metabisulfite fcc photo grade
Wintersun code: | 19-032 |
Cas Number: | 7681-57-4 |
Molecular Formula: | Na2S2O5 |
Molecular Weight: | 190.1 |
Sales Specification
- Appearance: White or slightly yellow crystal powder
- Assay (Na2S2O5): ≥97%
- Insoluble in water: ≤0.03%
- Arsenic: ≤0.002%
- Heavy Metal as Pb: ≤0.001%
- As: ≤0.0002%
- Cd: ≤0.0001%
- Fe: ≤0.005%
- pH: 4.0-4.6
Packing
50 lbs bag, 49 bags per pallet
50 lbs bag , 44 bags per pallet