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

Table 1

Summary of validation parameters.

Parameters	BEN	HCT
Limit of detection	0.103	0.025
Limit of quantitation	0.312	0.075
Accuracy (%)	100.0–100.6	99.8–100.2
Precision
Intraday (𝑛=3)	0.47–0.74%	0.13–0.24%
Interday (𝑛=3)	0.30–0.81%	0.18–0.40%
Repeatability (RSD, 𝑛=6)	1.32%	1.96%
Specificity	Specific	Specific
Robustness	Robust	Robust
Solvent suitability	Suitable for 24 hrs.	Suitable for 24 hrs.