Items

Specifications

Appearance:

White powder

pH value:

6.0-7.5

Transparency:

Not less than 99%

Loss on drying:

Not more than 10%

Kinematic viscosity:

Limiting viscosity:

Not less than 17.3dL/g

Molecular weight:

Not less than 1.00 x 10⁶

Protein:

Not more than 0.05%

Glucuronic acid:

Not less than 45%

HA:

Not less than 93%

Heavy metals:

Not more than 20ppm

Arsenic:

Not more than 2ppm

Bacteria counts:

Not more than 10/g

Mold & Yeast:

Not more than 10/g

Pseudomonas aeruginosa:

Negative

Staphylococcus aureus:

Negative