Table 5: Statistical data for Ambroxol and Doxofylline by HPLC method.

ParameterAmbroxolDoxofylline

Linear range ( g/mL)3.75–11.2550–150
Slope57.0634.24
Limit of detection ( g/mL)0.591.80
Limit of quantitation ( g/mL)4.9715.06