双波长薄层扫描法测定复方布洛芬片中主药的含量
Assay of Ibuprofen and Pseudoephedrine Contained in Compound Ibuprofen Tablet by Dual Wavelength Thin-Layer Scanning Technique
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摘要: 建立了复方布洛芬片的双波长薄层扫描测定方法，研究了薄层色谱条件、薄层散射作用及扫描条件对薄层色谱扫描的影响。采用硅胶ＧＦ２５４－０．７５％ＣＭＣ－Ｎａ薄层板，以乙酸乙酯－甲醇－氨水（７５：１５：１０）为展开剂，用岛津ＣＳ－９０００型薄层扫描仪，双波长反射法锯齿扫描，以随行外标二点法定量对样品进行了分析，布洛芬和伪麻黄碱的回收率分别为１００．２％和１０１．９％，ＲＳＤ〈３．３％（ｎ＝５），三个批号的Abstract: A method of quantitative analysis for ibuprofen and pseudoe phedrine coritained in compound ibuprofen tablet by dual-wavelength thin-layer scanning technique was developed.The sample solution was spotted on siliea gel GF254-plate and developed by ethyl ac
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