Test Items

Standard

Appearance

White powder

Hyaluronic Acid

95.0%--105.0%

Molecular weight

(0.5-1.0)x10⁶

pH

5.0-7.5

Chlorides

≤0.5

600nm.The optical absorption 1-300

＜0.01

260 nm optical absorption 1-300

＜0.5

Loss on drying

≤10%

Protein

≤0.05%

Iron

≤10ppm

Bacterial counts

≤10cfu/g

Heavy metals

＜3ppm

cadmium

＜1ppm

mercury

＜0.1 ppm.

Endotoxin

≤0.05eu/mg

Sterile Test

Complies