Product Description HA is a new biological at home and abroad. Its molecular weight is from several ten thousand to several million. It’s aqueous solution has outstanding moisture keeping ability, high viscoelasticity and lubricity. It is widely used in cosmetics, pharmacy and health and beauty food. Product Specification/Models Appearance: White powder
Sodium Hyaluronate (dry basis): 95%-105%
Glucuronic acid: 42.0% max.
PH(0.1% Water Solution): 6.0-7.5
Molecular Weight: 1.5x106 Dalton.
Protein: 0.1% min.
Transparency (0.1% Solution): 99% min.
Loss on drying: 10.0% max.
Heavy metals (as Pb): 10ppm max.
Arsenic: 1ppm max.
Mold & Yeast: 10CFU/g max.
Bacteria count: 100CFU/g max.
Pseudomonas aeruginosa: Negative.
Staphylococcus aureus: Negative.
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