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HPLC法测定注射用头孢拉定中L-精氨酸的含量

China Pharmacy(2008)

Cited 26|Views6
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Abstract
目的:建立以高效液相色谱法测定注射用头孢拉定中L-精氨酸含量的方法。方法:色谱柱为LiChrospher Diol,流动相为0.01mol.L-1磷酸二氢铵溶液(以磷酸调节pH值至2.0±0.1)-乙腈(25∶75),流速为1.0mL.min-1,柱温为30℃,检测波长为206nm,进样量为20μL。结果:L-精氨酸检测浓度的线性范围为51.2~307.2μg.mL-1(r=0.9999);平均回收率为100.7%,RSD=0.6%。结论:本方法快速、准确、简便,可用于该制剂中L-精氨酸的含量测定。
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Key words
HPLC,Cefradine for injection,Content determination,L-arginine
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