Chemometric Methods for Simultaneous Determination of Candesartan Cilexetil and Hydrochlorothiazide in Binary Combinations

Table 18

Statistical comparison between the correction absorbance method and HPLC.

NO	Name	HCT milligram/tablet				CAN milligram/tablet
		HPLC	Correction method	%E	% recovery	HPLC	Correction method	%E	% recovery
1	Awacand	11.75	11.41	2.9	97.1	14.98	15.07	−0.6	100.6
2	Candex	12.07	12.56	−3.9	104.1	15.89	16.21	−2	102
3	Atacand	11.92	12.1	−1.5	101.5	15	14.4	4	96

¹ calculated using the regression equation of Y = 0.0054x + 0.0067 and the HCT calibration curve at 340 nm. ² calculated using the regression equation of Y = 0.0295x + 0.0648 and the HCT calibration curve at 250 nm.