ABSTRACT
Liquid – liquid extraction of Ni(II) Co(II) and Cu(II) ions from buffered solution into N,N1 -ethylenebis (4-propionyl-2,4- dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one) imine (H2PrEtP) Schiff base as a function of pH and concentration of solution was investigated. The syne...