A Semi-Empirical Study on Metal Ion/Murexide Complexation

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Turkish Journal of Chemistry
Volume:26 Issue:3
A Semi-Empirical Study on Metal Ion/Murexide Complexation

A Semi-Empirical Study on Metal Ion/Murexide Complexation

Authors : N Zeynep ATAY and Tereza VARNALI

Pages : 303-310

View : 16 | Download : 12

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Modeling of the metal ion/ligand complexation reactions between divalent metal cations insert ignore into journalissuearticles values(M2 + ); and hydrophilic tridentate ligand murexide insert ignore into journalissuearticles values(Mu- ); in water, water+glycerol, and in glycerol was carried out. Kinetic studies showed that the rate of the reaction is very dependent on the metal ion, with Zn2 + > Ni2 + , but, reactions are slower in dispersed glycerol than in dispersed water. Theoretical calculations, which have shown a metal ion dependence, were consistent with the experimental observations. The entropy values calculated in all solvents were negative and were similar in value, indicating that these spontaneous reactions are enthalpy driven.
Keywords : Murexide, complexation, glycerol, metal ion

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