A study of interfacial adsorption isotherm at divided interface for novel macrocycles in solvent extraction
作者： Halil Zeki Gök , Hasan Demir
DOI: 10.1007/S10847-014-0438-Y
关键词:
摘要: A new aspect of liquid–liquid extraction by using the adsorption isotherm approach at divided interface was described. In order to explain complexation behavior ligands, ions in interfacial region phase can be modeled Langmuir isotherm. series macrocycles different ring sizes with type donor atoms has been synthesized and characterized several spectroscopic techniques. Solvent method used evaluate metal-ion binding properties macrocycles. The values constants complex compositions were determined for extracted complexes. Macrocycles 2 3 as extractant silver cation from aqueous solution temperatures concentrations investigated. Kinetics thermodynamic parameters also cation-binding affinity macrocyclic ligand among other ligands Ag+ over cations both organic solvents found highest. ion 88.3 81.7 % dichloromethane chloroform macrocycle 2, respectively. maximum metal capacity (28 %) 20 °C.
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