Items | Specification |
Assay | 98.0-102.0% |
Aqueous solution colour and Clarity of solution | Pass Test |
PH value | 3.0-4.0 |
Sulfate | ≤0.01% |
Loss on drying | ≤0.5% |
Residue on burning | 50.5-52.5% |
Heavy metal | ≤20mg/kg |
Arsenic | ≤4.0mg/kg |
Total plate count | ≤10000cfu/g |
E. Coli | ≤3mpn/g |