International Scholarly Research Notices / 2014 / Article / Tab 3

Research Article

Simultaneous Estimation of Ambroxol Hydrochloride and Cetirizine Hydrochloride in Pharmaceutical Tablet Dosage Form by Simultaneous Equation Spectrophotometric Method: A Quality Control Tool for Dissolution Studies

Table 3

Optical characteristics of Ambroxol Hydrochloride and Cetirizine Hydrochloride.

Optical characteristicsAmbroxol HydrochlorideCetirizine Hydrochloride

Beer-Lambert’s law limit (µg/mL)2–182–20
Regression equation ( )
Slope ( )0.0250.032
Intercept ( )0.0020.011
Correlation coefficient ( )0.9990.999
LOD (µg/mL)0.4500.457
LOQ (µg/mL)1.4241.386
Precision (%RSD)