Customization: | Available |
---|---|
CAS No.: | 65963-40-8 |
Formula: | C34h31cun4na3o6 |
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Analysis | Specification | Results |
Appearance | White or almost white powder or granules | Complies |
Infrared absorption | Positive | Complies |
Reaction of sodium | Positive | Complies |
Bulk density | ≥0.2g/cm³ | 0.21g/cm³ |
Absorbance | ≤0.25 | 0.09 |
Transparency | ≥99.0% | 100.0% |
pH | 6.0~7.5 | 6.3 |
Intrinsic viscosity | (13.77~23.64)dL/g | 17.56dL/g |
Molecular weight | (0.75~1.50)×106Da | 1.02×106Da |
Kinematic viscosity | Actual value | 29.53mm²/s |
Mesh | ≥60 | Complies |
Loss on drying | ≤10% | 9.53% |
Residue on ignition | ≤20% | 18.92% |
Heavy metals | ≤20ppm | <20ppm |
Arsenic | ≤2ppm | <2ppm |
Cadmium | ≤0.2ppm | <0.2ppm |
Mercury | ≤0.1ppm | <0.1ppm |
Lead | ≤0.5ppm | <0.5ppm |
Protein | ≤0.1% | 0.03% |
Assay | ≥95.0% | 95.4% |
Glucuronic acid | ≥46.0% | 46.1% |
Total bacterial count | ≤100CFU/g | <10CFU/g |
Yeasts & mold | ≤20CFU/g | <10CFU/g |
E. coli | Negative | Negative |
Staph | Negative | Negative |
Pseudomonas aeruginosa | Negative | Negative |
Salmonella | Negative | Negative |