Validated Spectrofluorimetric Method for The Determination of Oxymetazoline Hydrochloride via Derivatization with 4-Chloro-7-nitrobenzo-2-oxa-1,3-diazole (NBD-Cl). - Salama, Fathy; Abdel-Salam, Khalid; Abdel-Halim, Ahmed; Said, Ragab; Madkour, Ahmed (Eurasian Journal of Analytical Chemistry, 2018)