| Sodium Metabisulphite Food Grade
|
 Properties : White or buff crystal powder.
Application : Mainly used in printing and dyeing, medicine, tanning, etc.
Packing : 25kg/bag
Formula : Na2S2O5
Standard : GB 1893-86
|
| Items |
Specification |
Result |
| Sodium Metabisulphite(as SO2) |
65% min |
65.2% |
| Iron Content |
0.005% max |
0.003% |
| Water-insoluble |
0.05% max |
0.043% |
| pH Value |
4.0~4.6 |
4.4 |
| Heavy Metal(as Pb) |
0.001% max |
0.001% max |
| As |
0.0002% max |
0.0001% max |
|
|
