Determination of antihypertensive mixtures by use of a chemometrics-assisted spectrophotometric method

被引:0
|
作者
Abd El-Maaboud I. Mohamed
Hesham Salem
机构
[1] Assiut University,Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy
[2] Minia University,Department of Analytical Chemistry, Faculty of Pharmacy
来源
Analytical and Bioanalytical Chemistry | 2005年 / 382卷
关键词
Multivariate analysis; Hypotensive mixtures; Chlorthalidone; Atenolol; Amiloride hydrochloride;
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中图分类号
学科分类号
摘要
A simple multivariate calibration method for analysis of two types of hypotensive mixture is described. The mixtures are composed of chlorthalidone with atenolol or chlorthalidone with both amiloride hydrochloride and atenolol. The components of the mixtures result in substantial spectral overlap—between 87.5 and 91.0%. Resolution of the mixtures under investigation has been accomplished mainly by using CLS and PCR methods. The components in each mixture have been simultaneously determined in three commercial dosage forms with high accuracy and without interference from commonly encountered excipients and additives. Good recoveries were obtained with both synthetic mixtures and commercial tablets. The results obtained were compared with those from pharmacopeial methods and found to be in good agreement. The results obtained from CLS and PCR were also compared with those obtained from a 1D spectrophotometric method.
引用
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页码:1066 / 1072
页数:6
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