Complexation equilibria in tetrahydrofuran solutions of palladium(II) and lithium bromides
2017
The solutions of palladium PdBr2 and lithium LiBr bromides in tetrahydrofuran (THF) at different concentrations were studied by UV–Vis spectroscopy. The data obtained were mathematically processed using various models. The best description was obtained with the model that includes the formation of four monomeric (PdBr+, PdBr2, PdBr 3 - , PdBr 4 2- ) and three dimeric (Pd2Br 2 2+ , Pd2Br4, Pd2Br 6 2- ) palladium complexes. The equilibrium constants of the monomer and dimer complexation stages and the extinction coefficients of the palladium complexes were calculated. The spectra of the individual monomer and dimer palladium complexes were calculated using this model.
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