RP-HPLC测定人血液和尿液中的倍他米松

West China Journal of Pharmaceutical Sciences(2011)

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Abstract
目的采用HPLC法测定人血液和尿液中的倍他米松。方法以乙酸乙酯为萃取剂、泼尼松为内标。用Welchrom C18柱,甲醇-水(60∶40)为流动相,检测波长240 nm。结果倍他米松在血液和尿液中的线性范围为0.1~20μg.mL-1(r2>0.999);检测限均为0.02μg.mL-1;平均方法回收率为91%~104%;日内、日间RSD≤4.6%;萃取回收率≥86.3%。结论所建方法准确、灵敏、简便,适用于血液、尿液中倍他米松的分析。
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Key words
Blood,Urine,RP-HPLC,Betamethasone
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