Research Article

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

Table 4

Limit of detection (LOD) and limit of quantification (LOQ) of HCT by correction absorbance.

λAdded (µg/mL)Found (µg/mL)
HCTCANHCTCAN

3400150.6514.67
250

3400150.2314.8
250

3400150.5614.91
250

3400150.4514.89
250

3400150.3814.8
250

Mean0.45
SD0.1623
LOD0.93
LOQ2.1

1 calculated using the regression equation of Y = 0.0236x + 0.0311 and the HCT calibration curve at 283 nm.