Item

Standard

Appearance

White powder

Glucuronic Acid

≥ 44%

Sodium Hyaluronate

≥ 91%

Clarity（0.5% solution）

≥ 99%

pH

5.0-8.5

Molecular Weight

1.0-1.5 Million Da.

Protein

≤0.1%

Loss on drying

≤10%

Residue on Ignition

≤20.00 %

Heavy metal

≤10ppm

Arsenic

≤2ppm

Bacteria Count

≤100CFU/G

Molds & Yeast

≤100CFU/g

Staphylococcus aureus

Negative

Pseudomonas aeruginosa

Negative

Hemolysis

Negative

Viable Hemolytical Streptococci

Negative