98%:
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外观Appearance 白色、灰白色或黄白色结晶粉末
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红外光谱鉴别Infrared spectrometry 符合
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纯度Purity 98.0 - 102.0% (银量滴定)
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纯度Purity ≥98.0% (HPLC)
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熔点Melting point 149°C - 152°C
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干燥损失Loss on drying <0.5 % (105°C)
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比旋光度Specific rotation [a]20/D +18.5°~ +20.5°(c=6, ethanol)
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品级Grade 植物细胞培养测试级
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(plant cell culture tested)
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外观Appearance 白色至类白色粉末
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红外光谱鉴别Infrared spectrometry Conforms
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纯度Purity ≥98.0% (HPLC)
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熔点Melting point 149°C - 152°C
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干燥损失Loss on drying <0.5 % (105°C)
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醇溶解试验solubility in ETHANOL 50 MG/ML
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比旋光度Specific rotation [a]20/D +18.5°~ +20.5°(c=6, ethanol)
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