Complaint
| Test Item | Standard |
| Appearance | white powder |
| Glucuronic acid | ≥44% |
| Assay | ≥92% |
| Molecular weight | 8.0x10^5-13.0x10^5 |
| Protein | ≤0.1% |
| pH | 6.0-7.5 |
| Transparency(0.1% solution) | ≥99% |
| Loss on drying | ≤10% |
| Strong heat residue | ≤20% |
| Heavy metals | ≤10ppm |
| Arsenic (As) | ≤2ppm |
| Lead (Pb) | ≤1ppm |
| Cadmium (Cd) | ≤1ppm |
| Mercury (Hg) | ≤0.1ppm |
| Total Plate Count | ≤100cfu/g |
| Yeasts and Molds | ≤100cfu/g |
