期刊
JOURNAL OF CHROMATOGRAPHY A
卷 924, 期 1-2, 页码 439-449出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(01)00714-2
关键词
pharmaceutical analysis; hydrochlorothiazide; ACE inhibitors
A capillary electrophoresis method was developed for the simultaneous determination of hydrochlorothiazide and several angiotensin-converting enzyme (ACE) inhibitors: enalapril, lisinopril, quinapril, fosinopril, ramipril, and cilazapril. The most critical parameter is the pH of the running buffer. Separation was performed on a fused-silica capillary (52 cm total lengthX75 mum I.D.) using a sodium phosphate buffer (pH 7.25; 100 mM). The method was successfully applied to the quantitative determination of these compounds in their corresponding pharmaceutical formulation. The method was validated in terms of linearity of response, reproducibility and accuracy. (C) 2001 Elsevier Science B.V. All rights reserved.
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