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Determination of the dissolution of Cefadroxil Capsules by HPLC
Author(s): 
Pages: 515-516
Year: Issue:  9
Journal: Qilu Pharmaceutical Affairs

Keyword:  溶出度头孢羟氨苄胶囊紫外分光光度法高效液相色谱法;
Abstract: 目的 建立头孢羟氨苄胶囊的溶出度测定方法.方法 采用十八烷基硅烷键合硅胶为填充剂,以0.05 mol·L-1磷酸二氢钾-乙腈(95∶ 5)为流动相,检测波长为230 nm;分别采用高效液相色谱法和药典规定的紫外自身对照法测定头孢羟氨苄胶囊的溶出度.结果 头孢羟氨苄高效液相色谱测定法在10~100 μg·mL-1呈线性(r=0.999 9,n=5),回收率100.8%,RSD=0.4%,重复性试验RSD=0.09%;与紫外法相比更能反映样品溶出的真实情况,达到质量控制的目的 .结论 本方法准确,灵敏,重现性好,可行.
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