Customization: | Available |
---|---|
Color: | Colorless |
Appearance: | Liquid |
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Audited by an independent third-party inspection agency
Test items | Standard | Results | |
Appearance |
White or off-white powder |
Complies | |
Assay |
Glucuronic acid |
≥44.5% | 47.0% |
Sodium hyaluronate |
≥92.0% | 97.1% |
|
pH(0 . 5%) pH (0.5%solution) | 5.0-8.5 | 6.5 | |
Molecular weight |
1.0×10-6.0×10 |
4.0×10 |
|
Protein | ≤0.05% | 0.040% | |
OD50mm(0.5%) Transmittance(0.5%solution) | ≥99.0% | 99.9% |
|
Loss on drying |
≤10.0% | 7.5% |
|
( P b ) Heavy metal(as Pb) | ≤20μg/g | <20μg/g | |
Total plate count |
≤100cfu/g | <25cfu/g | |
Mold &Yeast | ≤50cfu/g | <25cfu/g | |
Conclusion |
The results meet the standard |