Fig. 7

First derivative synchronous fluorescence spectra of (A) lacidipine(250 ng/mL) and (B) lacidipine degradation product (250 ng/mL) using Δλ = 160 nm.
First derivative synchronous fluorescence spectra of (A) lacidipine(250 ng/mL) and (B) lacidipine degradation product (250 ng/mL) using Δλ = 160 nm.