G. Carlucci et al., Simultaneous determination of valsartan and hydrochlorothiazide in tabletsby high-performance liquid chromatography, ANAL LETTER, 33(12), 2000, pp. 2491-2500
A method for the simultaneous determination of valsartan and hydrochlorothi
azide in tablets is described. The procedure, based on the use of reversed-
phase high-performance liquid chromatography, is linear in the concentratio
n range 5.0-10.0 mu g ml(-1) for valsartan and 0.5-2.0 mu g ml(-1) for hydr
ochlorothiazide, is simple and rapid and allows accurate and precise result
s. The limit of detection was 1.0 mu g ml(-1) for valsartan and 0.05 mu g m
l(-1) for hydrochlorothiazide.