1.Technical Grade as buffering agent for tannage in leathering industry, also used in pharmaceutical industry and chemical industry.
2.Food Grade as loose agent for food industry as bread, biscuit, cake and deep-fried products. It can be used in pharmaceutical industry.
Item |
Technical Grade |
Food Grade |
Assay |
97-99% |
99.2-100.5% |
Chloride (Cl) |
0.007% Max |
0.003% Max |
S |
0.0002% Max |
- |
Sulphide (SO4) |
0.007% Max |
0.007% Max |
Residue |
0.008% Max |
0.05% Max |
Fe |
0.002% Max |
- |
Moisture |
3.0% Max |
0.4% Max |
Arsenic (As) |
0.0002% Max |
0.0002% Max |
Heavy metals (Pb) |
0.0005% Max |
0.0002% Max |