Simple and Selective Spectrophotometric Determination of Ofloxacin in Pharmaceutical Formulations Using Two Sulphonphthalein Acid Dyes

Figure 2

Absorption spectra of ion-pair complexes (OFX 8 μg/mL): BCP (0.1%) and OFX (12 μg/mL): BCG (0.1%)) against respective reagent blank.