| Customization: | Available |
|---|---|
| CAS No.: | 9067-32-7 |
| Formula: | C14h22nnao11 |
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| Items | Specifications |
| Appearance | White to pale yellow powder or granule |
| Identification A. Infrared absorption B. Reaction of sodium |
Complies with the Ph.Eur. reference spectrum of Sodium Hyaluronate Positive |
| H | 6.0 ~ 8.0 (0. 1% solution) |
| Light transmittance | ≥ 99.0% (0.5% solution) |
| Intrinsic viscosity | 1.72 m3/kg ~ 2.90 m3/kg |
| Molecular Weight | 1.0 x 106 Da ~ 1.8 x 106 Da |
| Protein | The absorbance is NMT 0.5 at 280 nm |
| ≤ 0.3% (on the dried substance) | |
| Loss on drying | ≤ 10.0% |
| Ash | ≤ 13.0% |
| Residue on ignition | ≤ 20.0% (on the dried substance) |
| Heavy metals | ≤ 20 ppm |
| Arseni c | ≤ 2 ppm |
| Assay | ≥ 95.0% (on the dried substance) |
| Total aerobic microbial count | ≤100 cfu/g |
| Total combined yeasts/mould count | ≤ 10 cfu/g |
| Escherichia Coli | Absent/g |
| Salmonella | Absent/10 g |
| Staphylococcus aureus | Absent/g |
| Pseudomonas aeruginosa | Absent/g |
Hunan Iron Zirconium Import&Export Co.Ltd is a company focusing on the export of chemical products.Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas.We will use professional production technology to bring you the best product experience.we are looking forward to cooperating with you.
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