Determination of irbesartan in the presence of hydrochlorothiazide by derivative spectrophotometry.

Abstract:

:A first-derivative spectrophotometric method for the determination of irbesartan (IRB) alone and in the presence of hydrochlorothiazide (HCT) is described. Measurements are made at the zero-crossing wavelength at 263.0 nm for IRB. The calibration graph was linear over the range 1.0-12.0 mg l(-1) of IRB, detection limit was 0.15 mg l(-1). HCT, in the presence of IRB was determined by direct spectrophotometric method at 317 nm. The calibration graph was linear over the range 2.0-50.0 mg l(-1) of HCT, detection limit was 0.25 mg l(-1). The proposed methods were successfully applied to the determinations of IRB and HCT in combined tablets.

journal_name

J Pharm Biomed Anal

authors

Albero I,Ródenas V,García S,Sánchez-Pedreño C

doi

10.1016/s0731-7085(02)00073-0

subject

Has Abstract

pub_date

2002-06-20 00:00:00

pages

299-305

issue

1-2

eissn

0731-7085

issn

1873-264X

pii

S0731708502000730

journal_volume

29

pub_type

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