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CHONDROITIN SULFATE SODIUM USP26

 ITEM  NORMS
 USP REFERENCE STANDARDS  USP CHONDROITIN SULFATE (SODIUM) 
 REFERENCE STANDARD
 SPECIFIC ROTATION  -20°--30°
 PH  5.5-7.5
 LOSS ON DRYING (105℃ FOR 4 HOURS)  ≤10.0%
 RESIDUE ON LGNITION (ON DRIED BASIS)  20.0%-30.0%
 CHLORIDE  ≤0.50%
 SULFATE  ≤0.24%
 LEAD  <5PPM
 HEAVY METAL (METHOD Ⅱ)  ≤0.002%
 PROTEIN (ON DRIED BASIS)  ≤6.0%
 ELECTROPHORESIS  ≤1.0%
 ASSAY (ON DRIED BASIS)  90.0%-105.0%
 GLYCOSANMINOGLYCANS  ≥30.0%
 MOLDS & YEASTS  <100PER/G
 SALMONELLA SOCCIES  NEGATIVE
 E.COLI  NEGATIVE
 CLOSTRDIUM  NEGATIVE
 TEST METHOD  SHUSTER STANDARD