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Certificate of Analysis | 3-O-Ethyl Ascorbic Acid

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Update time : 2022-09-15 17:19:52
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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