Item
Standard
Appearance
White powder
Glucuronic Acid
≥ 44%
Sodium Hyaluronate
≥ 91%
Appearance of Solution
A600nm≤ 0.01
Nucleic Acid
A260nm≤ 0.5
pH
5.0-8.5
Molecular Weight
0.8 -1.5 Million Da.
Protein
≤0.1%
Loss on drying
≤10%
Residue on Ignition
≤20.00 %
Chlorides
≤ 0.5%
Iron
≤ 80ppm
Heavy metal
≤10ppm
Arsenic
≤2ppm
Bacteria Count
≤500CFU/G
Molds & Yeast
≤100CFU/g
