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項目Item
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檢測標(biāo)準(zhǔn)Test Criterion
|
結(jié)果Result
|
|
外觀Appearance
|
白色結(jié)晶粉末
white crystalline powder
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符合Conforms
|
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比旋度Specific rotation
|
+12±2°(C = 1 in MeOH)
|
+12.9°
|
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含量Assay
|
min 99.0%
|
99.35%
|
|
熔點Melting point
|
min 72 ℃
|
73.5℃
|
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干燥失重Loss on drying
|
max 0.5%
|
0.2%
|
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灼燒殘渣Residue on Ignition
|
max 0.4%
|
0.1%
|
