Items

Specifications

Results

Description

White powder

Passed

pH

6.0~7.5

6.3

HA Assay(on dry basis)

≥95.0%

96.9%

Glucuronic Acid

≥45%

46.8%

Molecular Weight

≥(0.8-1.5)×10⁶

1.07×10⁶

Transparency (in 0.1%aq.sol.,)

≥99.0%

Passed

Mesh

≥80

Passed

Protein

≤0.1%

0.03%

Loss on Drying

≤8.0%

6.1%

Heavy Metals (Pb)

≤20ppm

≤20ppm

Arsenic

≤2ppm

≤2ppm

Powerful Heat Remain

≤13.0%

Passed

Nitrogen

3.0~4.0%

3.4%

Kinematic Viscosity

≥40mm²/s

47.8mm²/s

Bacteria Count

<10cfu/g

<10cfu/g

Mold and Yeast

<10cfu/g

<10cfu/g

Staphylococcus Aureus

Negative

Negative

Pseudomonas Aeruginosa

Negative

Negative