| Product Name | 3-O-Ethyl Ascorbic Acid | Batch Number | GW20191218A | ||
| Testing Regulation | Enterprise Standards | Package | 25kg/carton | ||
| Manufacture Date | Jul. 18.2020 | Expiry Date | Jul. 17.2023 | ||
| Items | Specifications | Results | |||
| Appearance | White to off-white, crystalline particle | Conform | |||
| Odor | Slight characteristic odor | Conform | |||
| Clarity and color | Clear and colorless | Conform | |||
| pH | 3.0 - 4.5 | 4.03 | |||
| Melting point °C | 112 - 115 | 112 - 115 | |||
| Loss on drying % | ≤ 1.0 | 0. 14 | |||
| Residue of ignition % | ≤ 0. 1 | 0.05 | |||
| Purity (HPLC) % | ≥ 99.5 | 99.88 | |||
| Hg mg/kg | < 1 | < 1 | |||
| As mg/kg | < 2 | < 2 | |||
| Pb mg/kg | < 5 | < 5 | |||
| Cd mg/kg | < 5 | < 5 | |||
| Total bacteria (CFU/g) | < 100 | < 100 | |||
| Yeast and mold (CFU/g) | < 10 | < 10 | |||
| Conclusion | Positive | ||||
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