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高效液相色谱法测定枸橼酸喷托维林片含量

Herald of Medicine(2011)

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Abstract
目的建立高效液相色谱法测定枸橼酸喷托维林片含量,以控制其质量。方法色谱柱:Diamonsil C18(4.6 mm×250 mm,5μm),流动相:0.05 mol.L-1醋酸铵溶液-乙腈-甲醇(35:40:25)用磷酸调pH至3.50±0.01;检测波长225 nm,流速:1 mL.min-1,柱温30℃,进样量20μL。结果枸橼酸喷托维林的线性范围为0.757 6~4.545 6μg,相关系数为0.999 7;平均回收率99.15%,RSD=1.30%(n=9)。结论该方法快速,简单,准确,重复性好。
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