Figure 3
Chromatogram of (a) 25 μg/mL LEV in its single (Leeflox®) and (b) 6 μg/mL AMB in its single (Ambroxol®) tablet using 8 μg/mL FUR (I.S) in 0.15 M SDS, 0.3% triethylamine, 8% n-propanol all prepared in 0.02 M orthophosphoric acid at pH 4.0.
Figure 3 | Chemistry Central Journal