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Akston Health
| Item | Standard | Result |
|---|---|---|
| Appearance | White or brown powder with no or light special smell | qualified |
| Content (Dry basis) | ≥98.5% | 98.55 |
| Dry weightlessness | ≤1.0% | 0.57 |
| Burn draff | ≤0.3% | 0.14 |
| PH | 5.0~6.0 | 5.81 |
| Ammonium salt | ≤0.04% | 0.016 |
| Specific rotation | '+18.0o~+21.5o | '+20.95o |
| Heavy metal (as Pb) | ≤0.003% | 0.001 |
| Arsenic | ≤0.0002% | 0.0001 |