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

Table 6

Results from HPTLC quantification of olmesartan medoxomil and hydrochlorothiazide in tablets.

Sample	Label claim (mg)		Amount present^a (mg)		SD		% RSD
	OLM	HTZ	OLM	HTZ	OLM	HTZ	OLM	HTZ
Olmesar-H	40	12.5	41.05	12.42	0.17	0.21	0.41	1.69
Olmy-H	40	12.5	41.38	12.35	0.41	0.14	0.99	1.13

^aMean of five determinations, SD: standard deviation, RSD: relative standard deviation.