The “True” Affinities of Metal Cations to p ‐Sulfonatocalix[4]arene: A Thermodynamic Study at Neutral pH Reveals a Pitfall Due to Salt Effects in Microcalorimetry

Francisco, Vítor; Piñeiro, Ángel; M. Nau, Werner; García‐Río, Luis

doi:10.1002/chem.201302365

Public

The “True” Affinities of Metal Cations to p ‐Sulfonatocalix[4]arene: A Thermodynamic Study at Neutral pH Reveals a Pitfall Due to Salt Effects in Microcalorimetry

Published in Chemistry - A European Journal • Dec 9, 2013

Authors:

Vítor Francisco

Ángel Piñeiro

Werner M. Nau

Abstract

A microcalorimetric study on the inclusion of monovalent and divalent metal cations by p-sulfonatocalix[4]arene was performed. The thermodynamic parameters for the complexation of alkali metal cations and Ag(+) were obtained for the first time at neutral pH. The Na(+) cation is routinely present as ...

Subject

Chemistry

Isothermal microcalorimetry

Enthalpy

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