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Certificate of Analysis - Hyaluronic Acid 8000-15000

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Update time : 2022-09-01 15:14:14
Hyaluronic Acid
Batch No.:GW20220511A                                       Grade:Cosmetic grade
Manufacturing Date: 2022-05-11                                Expiry Date: 2022-05-10
Items Specifications Results
Appearance White or almost white powder or granule Complied
Glucuronic acid ≥44.5% 47.0%
Sodium Hyaluronate Assay 95% 97.2%
Molecular weight Measured Value 8,000-15,000
Protein <0.1% 0.03%
pH(0.5% aq.sol.25℃) 5.0-8.5 6.8
Intrinsic Viscosity Measured Value 0.28dL/g
Kinematic viscosity Measured Value 0.99mm2/s
Absorbance (0.5% aq.sol.25℃) A280nm 0.25 0.10
Transparency(0.5% aq.sol.25℃) T550nm ≥99%  99.9%
Loss on drying ≤10% 6.9%
Heavy metals 20ppm/kg <10ppm/kg
Bacterial counts 100cfu/g Complied
Mold & Yeast 50cfu/g Complied
Staphylococcus aureus Negative/g Negative/g
Pseudomonas aeruginosa Negative/g Negative/g
Conclusion Up to the Q/FCG4.1.111-2017 Standards


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