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Abstract
The interaction of the complex ions Cr(OH2)6 3+, Cr(NH3)5 OH2 3+, Co(NH3)5 OH2 3+, trans-Co(en)2 (Cl)2 + and cis-Co(tren)(OH2)2 3+ with the ligands adenine, cytosine, adenosine, cytidine and 2-deoxyadenosine, were studied spectrophotometrically at 60°. The influences of variations in [metal ion], [ligand] and [H+] on the interaction processes were studied. The observed spectral changes for some interactions are considered as evidence for the formation of complexes between the metal ions and the nucleoside ligands, and possible reaction products are suggested.