Fig. 4From: Development of a green synchronous spectrofluorimetric technique for simultaneous determination of Montelukast sodium and Bilastine in pharmaceutical formulationsFirst-order synchronous fluorescence spectra of: (A–D) MTK 400, 1000, 1500 and 2000 ng mL−1, respectively, and (E) BIL 300 ng mL−1 in methanol containing Teorell and Stenhagen buffer (pH 4.0)Back to article page