高效液相色谱法测定盐酸托烷司琼片的含量

Science Technology and Engineering(2012)

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Abstract
建立高效液相色谱法测定盐酸托烷司琼片含量,采用Zorbax SB-C18色谱柱(4.6 mm×150 mm,5μm),流动相为0.02mol.L-1磷酸二氢钾溶液(稀氢氧化钾溶液调节至pH5.5)-甲醇-乙腈(35∶40∶25),流速0.8 mL.min-1,检测波长为285 nm。进样量在0.25~3.0μg时,与峰面积比值呈良好线性,r=0.999 9(n=7),平均回收率100.1%,日内和日间RSD分别为0.30%及0.36%(n=9)。该法简便、准确、专属,可用于该片的质量控制。
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