Ogwegbu, M.O.C.Oforka, N.C.Spiff, A.I.2010-07-062010-07-061992Journal of the National Science Council of Sri Lanka, 20(2):p.221-230https://dl.nsf.gov.lk/handle/1/6723Solvent extractionMetallurgyRapid extraction of copper (II) with 1-phenyl-3-methyl-4-nitrobenzoyl-5-pyrazolone in different organic diluentsArticle