Extraction of cadmium from phosphoric acid by a synthesized extracting agentKaoutar Berkalou, Abderrahman Nounah, Mohamed Khamar, Ratiba Boussen and Essediya CherkaouiE3S Web Conf., 150 (2020) 02007DOI: https://doi.org/10.1051/e3sconf/202015002007