Quantification of Benazepril Hydrochloride and Hydrochlorothiazide in Tablet Dosage Form by Simultaneous Equation Spectrophotometric Method

Table 2

Statistical data of BEN and HCT.

Parameters	BEN at 240 nm	HCT at 270 nm
Linear range	2–12 µg/mL	4–14 µg/mL
Slope	0.0181	0.05
Intercept	0.0129	0.035
Standard deviation of intercept	0.0031	0.0010
Standard deviation of slope	0.0005	0.0019
Regression coefficient (𝑅^2)	0.9997	0.9988