Photodegradation of Amido Black 10b Dye Under Visible Light Using Ni and Zn Ferrite Catalysts Prepared by a Simple Modified Sol–Gel Method. - El-Salamony, Radwa A.; Aboutaleb, Wael A.; Dhmees, Abdelghaffar S. (Arabian Journal for Science & Engineering (Springer Science & Business Media B.V. ), 2023)