HPLC法测定脑心清片中糠酸的含量
Pharmacy Today(2012)
Abstract
目的建立脑心清片中糠酸含量的HPLC测定方法。方法采用HPLC法,Hypersil C18(250 mm×4.6 mm,5μm)色谱柱;流动相:甲醇-0.3%磷酸(20∶80);流速:1.0 ml/min;检测波长:240 nm。结果糠酸在0.15~1.50μg(r=0.999 9)范围内呈良好线性关系;平均加样回收率(n=6)为100.71%,相对标准偏差(RSD)为2.36%。结论本方法简便,结果准确,重现性好,可为脑心清片的质量控制提供参考依据。
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Key words
HPLC,Naoxinqing tablets,furoic acid
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