Sodium hyaluronate

Characters:White or white-like powder, without odor, soluble in water, insoluble in ethanol, acetone and aether.
Glucuronic acid ≥42.0%
Stake density 0.2-0.4g/cm3

pH:6.0-8.0

Loss on drying ≤8.0%

Heavy metals ≤20ppm

Arsenicum Measure up to Chinese pharmacopoeia

Powerful heat remain ≤13.0%

Bacteria count ≤ 100CFU/g

Mold & Yeast ≤ 100CFU/g

Staphylococcus aureus Negative

Salmonella Negative

Escherichia coli Negative