柱切换HPLC法测定血浆和尿中卡托普利浓度

被引:6
作者
田维荣
高申
王世祥
机构
[1] 上海长海医院临床药理研究室
[2] 上海长海医院临床药理研究室 上海
[3] 上海
关键词
卡托普利; 高效液相色谱法; 柱切换;
D O I
10.16438/j.0513-4870.1992.08.010
中图分类号
学科分类号
摘要
卡托普利先经衍生化形成具有紫外吸收的衍生物,然后用6%的高氯酸去蛋白,取上清液直接进样。以μBoundapak C18(37~50μm)作为预处理柱(5cm×O.5cm,ID),对样品进行自动浓缩净化处理,预处理流动相为0.2%醋酸溶液。分析柱(15cm×O.5cm,ID)固定相为YWG-C13,10μm,流动相为乙晴-水-醋酸(35:65:0.4)。UV 260nm检测。血浆和尿样测定的线性范围分别为20~1000ng/ml和10~200μg/ml,血浆中最低检测浓度约为10ng/ml。方法的平均回收率分别为103.2%(血浆)和99.5%(尿样),日内及日间变异均小于10%。
引用
收藏
页码:613 / 617
页数:5
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