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Chelation Of Two Polyhydroxyamines With Copper (Ii) Ion, David H. Powell
Chelation Of Two Polyhydroxyamines With Copper (Ii) Ion, David H. Powell
Master's Theses
Two polyamines, 2,8-bishydroxymethyl-2,8-dimethyl- 3, 7-diaza-1,5,9-nonanetriol and 2,8-bishydroxymethyl-2,8- dimethyl-3,7-diaza-l,9-nonanediol, were prepared and the coordination of these compounds with Cu (II) ions in solution was investigated. Spectrophotometric study of the solutions of these compounds gives evidence of the formation of two complexes, containing one mole of ligand per metal ion and two moles of ligand per metal ion, respectively. The two stability constants for these complexes and the basicity constants for these ligands were calculated from potentiometric titrations at 30°C. A compadson of the stabj lity constants and basici ty cons tan ts for the two compounds was made to determine the …