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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