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

Table 11

Precision of the Q-absorption ratio method in the determination of HCT and CAN.

λ	Added (µg/mL)		Found (µg/mL)
	HCT	CAN	HCT	CAN
273	15	15	14.78	14.84
258
273	15	15	15	15
258
273	15	15	15	15
258
273	15	15	14.6	15.1
258
273	15	15	15	15
258
Mean			14.88	14.99
SD			0.1813	0.09338
RSD(n = 5)			1.22	0.63
%R			99.2	99.93