China High Purity Ophthalmic Surgery Viscoelastic Agent Pure Chondroitin Sulfate Powder, Find details about China Chondroitin Sulfate Powder, Chondroitin Sulfate Liquid from High Purity Ophthalmic Surgery Viscoelastic Agent Pure Chondroitin Sulfate Powder
Item | Standard | Item | Standard |
Appearance | White to off white powder | Heavy Metals | ≤10ppm |
Assay | 90.0% ~ 105.0% | Hg | ≤0.1ppm |
Particle Size | 100% pass through 80mesh | Pb | ≤3ppm |
Bulk Density | >0.48 g/ml | As | ≤1ppm |
Clarity (5% solution) | Absorbance≤0.35 (420nm) | Cd | ≤1ppm |
Specific Rotation | -20° ~ -30° | Loss on Drying | ≤10% |
PH (1% solution) | 5.5 ~ 7.5 | Residue on Ignition | 20% ~ 30% |
Protein | ≤6.0% | Total Aerobic Count | <1000 cfu/g |
Chloride | ≤0.5% | Yeasts and Molds | <100 cfu/g |
Sulfate | ≤0.24% | Salmonella | Negative |