高效液相色谱法测定大鼠血浆中西咪替丁的浓度
Strait Pharmaceutical Journal(2017)
Abstract
目的 建立一种高效液相色谱法(HPLC)检测大鼠血浆中西咪替丁的浓度.方法 采用BDS HYPERSIL C18(5μm,4.6×250mm)色谱柱,流动相为甲醇-水-二乙胺-磷酸(25:75:0.47:0.38);流速:1mL·min-1;检测波长:225nm;进样量20μL;柱温30℃.结果 西咪替丁在1μg·mL-1~100μg·mL-1浓度范围内与峰面积呈良好线性关系(r=0.9999);样品平均回收率为94%~104%,日内、日间RSD均低于5%(n=5).结论HT6K 本法专属性好,灵敏度高,操作简便,可用于大鼠血浆中西咪替丁含量的测定.
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Key words
Cimetidine,HPLC,plasma concentration
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