项目 药用级
(Ph Eur,USP,NF,JP)
外观Appearance White Powder
红外光谱鉴别Infrared spectrometry Conforms to Structure
水分Water (by Karl Fischer) 4.0- 6.0 %
比旋光度Specific rotation [α]20/D +48.0°~ +52.0°(C=2, c = 4.5%, H2O and NH4OH)(As Anhydrous)
灼烧残渣Residue on ignition (Ash) ≤0.03 %
不溶物Insoluble matter ≤0.005 %
葡萄糖Dextrose Pass
铁Iron (Fe) ≤5 ppm
重金属Heavy Metal (As Pb) ≤5 ppm
项目 分析纯
(AR)
纯度Purity(HPLC) ≥98.0 %
比旋光度Specific rotation [a]20/D +52.2 to +52.8 °(C=10, H2O)
水溶解试验Solubility in Water almost transparency
水分Water(Karl Fischer) 4.5 - 5.5 %
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