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

Table 4

Determination of precision for HCT.

HCT	Conc. (μg/mL)	Intraday mean ± SD (𝑛=3)	%RSD	Interday mean ± SD (𝑛=3)	%RSD
At 240 nm	8	0.03467±0.00058	0.017	0.03433±0.00058	1.68
	10	0.042±0.001	0.024	0.04267±0.00058	1.35
	12	0.217±0.28232	0.18	0.05433±0.00058	1.06
At 270 nm	8	0.44333±0.00058	0.13	0.44467±0.00153	0.34
	10	0.526±0.001	0.19	0.52567±0.00208	0.40
	12	0.63367±0.00153	0.24	0.63333±0.00115	0.18