Item

Specification

Appearance

White powder

Glucuronic Acid

≥ 44%

Sodium Hyaluronate

≥ 91%

Clarity (0.5% water solution)

≥ 99%

pH

5.0-8.5

Molecular Weight

High Molecular Weight
1.5-1.8 Million Da.
1.8-2.2 Million Da.(USA Stocks)

Protein  

0.1%

Loss on drying

10%

Residue on Ignition

20.00 %

Chlorides

0.5%

Iron

80ppm

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