item | standard | analysis data |
appearance | white or off-white crystalline powder | white or off-white crystalline powder |
specific rotation (c=2,5nhcl) | -26.0°～ -29.0 | -28.12° |
chloride (cl) | not more than 0.02% | accordance |
loss on drying | ≤0.5% | 0.20% |
residue on ignition | not more than0.2% | 0.07% |
heavy metals(pb) | not more than 10ppm | accordance |
assay | 98.5 to 100.5% | 99.03% |
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