${session.getAttribute("locale")} 5 The development of amine-based extractants for separation of base metals in a sulfate medium Wed 12 May 2021 19:26:07 SAST ]]> A spectroscopic study of the electronic effects on copper (II) and copper (I) complexes of ligands derived from various substituted benzyaldehyde- and cinnamaldehyde- based schiff bases Wed 12 May 2021 19:02:51 SAST ]]>