STUDY OF THE INTERACTIONS OF SODIUM AND POTASSIUM CATIONS WITH DIBENZO-18-CROWN-6 IN BINARY MIXED NON-AQUEOUS SOLVENTS

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MONSEF KHOSH HESAB Z.

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Journal: PEYKE NOOR JOURNAL SCIENCE Year:2007 | Volume:1 | Issue:3 Page(s): 68-78

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Title

STUDY OF THE INTERACTIONS OF SODIUM AND POTASSIUM CATIONS WITH DIBENZO-18-CROWN-6 IN BINARY MIXED NON-AQUEOUS SOLVENTS

Author(s)

MONSEF KHOSH HESAB Z. | Issue Writer Certificate

Keywords

STABILITY CONSTANTQ4

CROWN ETHERQ3

THERMODYNAMIC PARAMETERQ3

COMPLEXQ4

SODIUM CATIONQ3

POTASSIUM CATIONQ3

CONDUCTOMETRYQ3

Abstract

The interactions of Dibenzo-18-Crown-6 (DB18C6) with Sodium and POTASSIUM CATIONs in Acetonitrile–Dimethylformamide and Dimethylformamide-Tetrahydrofuran binary mixtures at different temperatures were studied with conductometric method. The stochiometry and the STABILITY CONSTANT of the 1:1 COMPLEXes were determined by using the variation of the molar conductivity versus ligand /cation mole ratio. The findings show that the stochiometry of the COMPLEXes is 1:1 in all cases and the STABILITY CONSTANT of the COMPLEXes depends on the nature and composition of the mixed solvents.Also, the values of DH0 and DS0 for the Thermodynamical Parameters were determined by the temperature dependences to COMPLEXation. In all Cases, the Studied COMPLEXes are enthalpy Stabilized and entropy destabilized and the Values of these parameters are depended on the nature and composition of the solvent. The effect of the nature and Composition of the Solvent on COMPLEXes Stability were Considered.

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APA: Copy

MONSEF KHOSH HESAB, Z.. (2007). STUDY OF THE INTERACTIONS OF SODIUM AND POTASSIUM CATIONS WITH DIBENZO-18-CROWN-6 IN BINARY MIXED NON-AQUEOUS SOLVENTS. PEYKE NOOR JOURNAL SCIENCE, 1(3), 68-78. SID. https://sid.ir/paper/203492/en

Vancouver: Copy

MONSEF KHOSH HESAB Z.. STUDY OF THE INTERACTIONS OF SODIUM AND POTASSIUM CATIONS WITH DIBENZO-18-CROWN-6 IN BINARY MIXED NON-AQUEOUS SOLVENTS. PEYKE NOOR JOURNAL SCIENCE[Internet]. 2007;1(3):68-78. Available from: https://sid.ir/paper/203492/en

IEEE: Copy

Z. MONSEF KHOSH HESAB, “STUDY OF THE INTERACTIONS OF SODIUM AND POTASSIUM CATIONS WITH DIBENZO-18-CROWN-6 IN BINARY MIXED NON-AQUEOUS SOLVENTS,” PEYKE NOOR JOURNAL SCIENCE, vol. 1, no. 3, pp. 68–78, 2007, [Online]. Available: https://sid.ir/paper/203492/en

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