TY - SER AU - El-Shetary, B. A. AU - Stefan, S. L. AU - Abdel-Moez, M. S. TI - Determination of Cu(II) Ion by Polarographic and Spectrophotometric Measuremnts of its 3-(2-Acetyl-Phenylhydrazo)-3-Diketone Complexes KW - Cu(II)-ligands KW - Complexes KW - Spectroscopy ER -