UV-VIS SPECTROPHOTOMETRIC STUDY OF COPPER (II) CHLORIDE AND NITRATE COMPLEXES IN DIETHYLSULFOXIDE
2007
Sargsyan, H. R. | Belluyan, M. V. | Markarian, Sh. A.
Copper (II) chloride and nitrate complexes in diethylsulfoxide (DESO) solutions have been investigated by means of UV-Vis spectroscopy. A new absorption band at about 300 nm of maximal absorption due to the formation of the charge-transfer complex between copper (II) and DESO has been detected. The results obtained were compared with those for dimethylsulfoxide (DMSO) known also from literature. Derivative spectroscopy approach has been used to determine the number and positions of overlapping bands. Based on the second-derivative spectrum analysis using Linkfit 4.1 computational program as well, equilibrium constants between different species of complex particles have been estimated.
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