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Certificate of Analysis | Alpha Arbutin Powder

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Update time : 2022-09-05 18:55:43
Product Name Alpha Arbutin Batch Number GW20220525A
Quantity 300kgs Package 25kg/carton
Manufacture Date May. 25.2022 Expiry Date May.24.2024
Items Specifications Results
Appearance White or Off-white Powder White Powder
pH value 5.0-7.0 6.05
Melting point 202℃-210℃ 204.8℃-205.6℃
Specific optical rotation +175.0°+185.0° +179.4°
Loss on drying ≤1.0% 0.13%
Transmittance ≥95.0% 99.0%
Hydroquinone(HPLC) 10ppm <10ppm
Heavy metals ≤10ppm <10ppm
Arsenic ≤2ppm <2ppm
Lead(Pb) 1ppm <1ppm
Residue on ignition ≤0.5% 0.05%
Assay(HPLC) ≥99.5% 99.98%
Total plate count ≤1000 CFU/g 20CFU/g
Yeast&Mold ≤100 CFU/g 10CFU/g
E.Coli Not detectable Not detectable
Staphylococcus aureus Not detectable Not detectable
Pseudonmonas aeruginosa Not detectable Not detectable
Conclusion The product conforms to standard of Q/AHH012

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Certificate of Analysis | Alpha Arbutin Powder

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