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Determination of Clarithromycin in Serum by High Performance Liquid Chromatography with Pre-column Derivatization
Author(s): 
Pages: 168-170
Year: Issue:  S1
Journal: Chinese Journal of Analytical Chemistry

Keyword:  柱前衍生化 高效液相色谱法 血清 24-二硝基苯肼 克拉霉素;
Abstract: 建立了2,4-二硝基苯肼柱前衍生反相高效液相色谱紫外检测法测定血清中克拉霉素的含量,将在碱性条件下甲基叔丁基醚的血清萃取物,与2,4-二硝基苯肼在55℃酸性条件下反应30min,然后用乙腈-0.05mol/L pH7.2磷酸盐缓冲液(48∶52)在Alltima C18色谱柱上进行分离,在340nm检测衍生物。方法的线性范围为0.053.2mg/L(r=0.9993);检出限为30μg/L,绝对回收率大于89%,相对标准差小于10%。本方法已用于克拉霉素在健康受试者中的药代动力学研究。
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