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Items EP Standard USP Standard
Characters A white or slightly yellow,crystalline amorphous powder
Identification Conforms Conforms
Loss on drying ≤5.0% 670Pa 60 ℃, 4h ≤5.0% 670Pa 60 ℃, 4h
Organic solvent impurities ≤5.0% (5.4) ≤5.0% (467)
Assay 0.5~4.5 PH.Eur.U./mg 3000~20000NF.U./mg
Total viable aerobic count ≤8000cfu/g ≤8000cfu/g
fungi ≤80cfu/g ≤80cfu/g
Staphylococcus aureus Conforms Conforms
E.Coil Conforms Conforms
Salmonella Conforms Conforms