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Determination of Pentoxyverine Citrate by Fluorescence
Author(s): LIU Bo, LV Yingjie, WANG Jinzhong, SUN Xinqi
Pages: 40-
42
Year: 2004
Issue:
1
Journal: CHEMICAL RESEARCH
Keyword: 枸橼酸喷托维林; 荧光分光光度法; 衍生;
Abstract: 采用衍生化反应,建立了荧光分光光度法测定枸橼酸喷托维林的新方法.对影响荧光强度的衍生体系、反应温度、反应时间、产物稳定性等进行了研究.实验表明在激发波长和发射波长分别为367 nm和457 nm时,荧光强度与枸橼酸浓度在8.0×10-7~1.0×10-4g/mL范围内呈良好的线性关系,并对1.0×10-6g/mL枸橼酸喷托维林溶液进行6次平行测定,相对标准偏差为0.31%,检出限达1.5×10-8g/mL.本法用于枸橼酸喷托维林片剂含量的测定,结果与药典法测得值相符合.
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