Fig. 1

(a & b) Calibration curve of azithromycin in pH 7.4 phosphate buffer at 208 nm and Calibration curve of azithromycin by HPLC at 210 nm. (c) Phase solubility curve of azithromycin
(a & b) Calibration curve of azithromycin in pH 7.4 phosphate buffer at 208 nm and Calibration curve of azithromycin by HPLC at 210 nm. (c) Phase solubility curve of azithromycin