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Determination of Etodolac’s content by HPLC
Author(s): 
Pages: 19-20,15
Year: Issue:  5
Journal: Guangdong Chemical Industry

Keyword:  依托度酸 高效液相色谱法 含量;
Abstract: 目的:建立高效液相色谱法测定依托度酸的含量。方法:采用C8(250 mm×4.0 mm,5μm)色谱柱;流动相A:6 mL磷酸与1000 mL水混合,流动相B:6 mL磷酸与1000 mL乙腈混合,梯度混合A和B;检测波长:225 nm;柱温:30℃;流速:1.0 mL/min;进样量:5μl。结果:本方法专属性较强,耐用性较好;在0.024744~0.057736 mg/mL范围内线性关系良好;在0.04 mg/mL的80%~125%范围内的总平均回收率为99.93%,RSD为0.5%(n=18);系统精密度RSD为0.05%~0.23%,重复性RSD为0.21%,中间精密度RSD为0.3%~0.5%。结论:本方法准确、可靠,可用于依托度酸含量的测定。
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