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Simultaneous determination of six benzodiazepines drugs in serum by HPLC with solid phase extraction

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF EMERGENCY MEDICINE
Issue:
1
DOI:
10.3760/j.issn:1671-0282.2005.01.019
Key Word:
HPLC;固相萃取;苯二氮(艹卓)类药物;血药浓度

Abstract: 目的建立SPE-HPLC法同时测定血清中6种苯二氮(艹卓)类药物(地西泮、硝西泮、氯硝西泮、三唑仑、艾司唑仑、阿普唑仑)浓度.方法用固相萃取技术处理含药血清,色谱柱为Nova-pak C18柱,3.9 mm×150 mm,4μm;流动相为0.01 mol/L磷酸盐缓冲液(pH 2.15):乙腈(71:29);检测波长223nm;流量1 ml/min,柱温30℃.结果6组分分离良好,在0.01~10.00μg/ml峰面积与浓度呈良好的线性关系(r>0.999),相对回收率为96%~104%,日内、日间RSD均小于9%.结论该色谱条件可同时测定血清中此类药物,具有快速、简便、准确可行等特点,非常适用于此类药物中毒患者的快速鉴定,提高急诊救治水平和指导癫痫治疗用药.

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