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HPLC法测定盐酸二甲双胍缓释胶囊的含量 被引量:1

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摘要 目的建立HPLC法测定盐酸二甲双胍缓释胶囊含量的测定方法。方法用十八烷基硅烷键合硅胶为填充剂;以甲醇-1mmol.L-1磷酸二氢钾溶液(含10mmol.L-1庚烷磺酸钠,用磷酸调节pH至4.0,40∶60)为流动相,流速为1.0mL·min-1,检测波长为233nm,进样量为10μL。结果盐酸二甲双胍质量浓度在5.015~25.075mg·mL-1范围内与峰面积呈良好的线性关系(r=0.9999);平均加样回收率为101.0%,RSD为0.8%(n=6)。结论方法简单、快速、结果准确,重现性好。
出处 《西北药学杂志》 CAS 2009年第6期445-446,共2页 Northwest Pharmaceutical Journal
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