Сохранить в закладки 1600301541476:
Testing Item | Standard | Result | ||
Appearance | Almost white crystalline powder and odorless | Conform | ||
Identification | Appear positive reaction | Conform | ||
Assay/% | ≥95 | 96.2 | ||
Loss on drying /% | ≤8 | 6.6 | ||
Residue on igniton/% | ≤0.5 | 0.2 | ||
Specific optical rotation | +250°~ +295° | 286° | ||
pH (1% w/v in ddH2O) | 5.0 ~ 7.5 | 5.9 | ||
Lead /% | ≤0.0002 | 0.0001 | ||
Colony count | ≤ 100cfu/g | ≤ 10cfu/g | ||
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides | ||||
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