Table 1.

Repeatability of Hydrochlorothiazide, Irbesartan, Losartan potassium and Telmisartan respectively

Drug name	Average μg/mL	Average %	RSD
Hydrochlorothiazide	12.53	100.26	0.32%
Irbesartan	150.33	100.22	0.38%
Losartan potassium	50.09	100.17	0.38%
Telmisartan	79.35	99.19	0.39%