Journal of Analytical Methods in Chemistry / 2013 / Article / Tab 3

Research Article

Application of a Stability-Indicating HPTLC Method for Simultaneous Quantitative Determination of Olmesartan Medoxomil and Hydrochlorothiazide in Pharmaceutical Dosage Forms

Table 3

Accuracy study by standard addition method.

DrugInitial amount (ng/band)Fortified amount (ng/band)Amount recovereda   SEM (ng/band)Mean recovery (%)% RSD

Olmesartan medoxomil8025 100.880.40
16050 101.220.50
24075 99.600.37

Hydrochlorothiazide2525 98.300.51
5050 99.320.54
7575 99.020.64

aMean of three replicates, RSD: relative standard deviation, SEM: standard error mean.

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