https://commons.ru.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 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 https://commons.ru.ac.za/vital/access/manager/Repository/vital:4407 Wed 12 May 2021 19:02:51 SAST ]]> A critical evaluation of the analytical method used for the separation and estimation of copper and nickel https://commons.ru.ac.za/vital/access/manager/Repository/vital:4519 Wed 12 May 2021 16:32:19 SAST ]]>