Sell Chondroitin Sulfate 90% ex shark

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Appearance Fine White Powder Fine White Powder
Solubility (1% H2O) Clear Solution Clear
Optical Rotation (120) ~ (-180) 16.50
Assay
(by HPLC on dry basis) >=90% 90.42%
PH (1% H2O) 5.5~7.5 6.80
Loss on drying <10% 9.3%
Protein <=3.5% 3.1%
Residue on Ignition 20.0%~30.0% 24.6%
Sulfur 5.5%~7.5% 6.9%
Heavy Metals <=20ppm <20ppm
Nitrogen 2.5%~3.5% 2.9%
Chloride <=0.5% 0.1%
Arsenic <2ppm <2ppm
Total plate count <1,000CFU/GM <1,000CFU/GM
Yeast & Mold <100CFU/G 80CFU/G
E. Coli Negative Negative
Salmonella Negative Negative
Conclusion Conform
Shelf Life Three Years