Chondroitin sulfate sodium CAS NO.9007-28-7

ItemsEP&nb

Items                             EP                                                  USP

Charateristics                            White or off white powder

IR graph                      Conforms                                         Conforms

Chloride                      Condorms                                        Conforms 

Electrophoresis            Conforms                                         Conforms

Specific Rotation          －20°~－30°                                   －20°~－30°

Viscosity                      0.01~0.15m³/kg                                           ／

Relative substances        Conforms                                         Conforms

Acidity                          5.5~7.5(5%)                                   5.5~7.5(1%)   

Loss on drying              ≤12.0%(105℃4hours)                    ≤10.0%（105℃4hours）

Residue on ignition                   ／                                         20.0%~30%

Chloride                        ≤0.5%                                              ≤0.5%   

Sulfate                                    ／                                           ≤0.24%

Heavy metal                  ≤20ppm                                            ≤20ppm

Residue of solvent                   ／                                            Conforms

Protein                          ≤3.0%                                               ≤6.0%

Content                         95.0~105.0%                                     90.0~105.0%

Total bacteria                ≤1000/g                                              ≤1000/g

Yeast and mould            ≤100/g                                               ≤1010/g

E.Coil                            Conforms