| Test Item | Standard Specifications |
| Appearance | White or yellowish powder |
| Assay (HPLC, dry basis) | ≥99.5% |
| Water | ≤1.0% |
| Ash | ≤0.1% |
| pH(3% aqueous solution) | 3.5-5.0 |
| Hazen(3% aqueous solution) | ≤10 |
| Melting point | 111.0-116.0ºC |
| Arsenic | ≤2ppm |
| Cr | ≤1ppm |
| Hg | ≤1ppm |
| Pb | ≤2ppm |
| Total bacterial count | ≤100cfu/g |
| Mold and Yeast | ≤10cfu/g |
| Thermophilic coliform | May not be detected |
| Staphylococcus aureus | May not be detected |
| Pseudomonas aeruginosa | May not be detected |
| Delivery time | Within 15 days after your payment. |
| MOQ | 25 kg |
| Packing | 25kg with double plastic container inside/Drum outside. |
| Net Weight | 25kgs/Drum |
| Gross Weight | 28kgs/Drum |
| Drum Size & Volume: | 42cm*42cm* 52cm, 0.08 m³/Drum |
| Storage | Stored in dry and cool place, keep away from strong light and heat. |
| Shelf Life | Two years when properly stored. |