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項(xiàng)目Item
|
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
|
符合Conforms
|
|
比旋度Specific rotation
|
+12±2°(C = 1 in MeOH)
|
+12.9°
|
|
含量Assay
|
min 99.0%
|
99.35%
|
|
熔點(diǎn)Melting point
|
min 72 ℃
|
73.5℃
|
|
干燥失重Loss on drying
|
max 0.5%
|
0.2%
|
|
灼燒殘?jiān)黂esidue on Ignition
|
max 0.4%
|
0.1%
|
