Volcano Plots Emerge from a Sea of Nonaqueous Solvents: The Law of Matching Water Affinities Extends to All Solvents

ACS Central Science
Virginia Mazzini, Vincent S J Craig

Abstract

The properties of all electrolyte solutions, whether the solvent is aqueous or nonaqueous, are strongly dependent on the nature of the ions in solution. The consequences of these specific-ion effects are significant and manifest from biochemistry to battery technology. The "law of matching water affinities" (LMWA) has proven to be a powerful concept for understanding and predicting specific-ion effects in a wide range of systems, including the stability of proteins and colloids, solubility, the behavior of lipids, surfactants, and polyelectrolytes, and catalysis in water and ionic liquids. It provides a framework for considering how the ions of an electrolyte interact in manifestations of ion specificity and therefore represents a considerable conceptual advance on the Hofmeister or lyotropic series in understanding specific-ion effects. Underpinning the development of the law of matching water affinities were efforts to interpret the so-called "volcano plots". Volcano plots exhibit a stark inverted "V" shape trend for a range of electrolyte dependent solution properties when plotted against the difference in solvation energies of the ions that constitute the electrolyte. Here we test the hypothesis that volcano plots are also ...Continue Reading

References

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Jun 17, 2018·The Journal of Chemical Physics·Virginia MazziniVincent S J Craig

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Citations

Apr 9, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Jens Smiatek
Oct 22, 2020·Physical Chemistry Chemical Physics : PCCP·Jiyoung YangJens Smiatek
Sep 26, 2020·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Ramón Alain Miranda-Quintana, Jens Smiatek
Jan 28, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Leilei LianGuangming Liu
Jul 10, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Michela ColluAndrea Salis
Oct 24, 2018·The Journal of Physical Chemistry. B·Minglun LiLijia An
Jul 18, 2019·The Journal of Physical Chemistry. a·Kasimir P GregoryAlister J Page
Dec 18, 2021·The Journal of Physical Chemistry. B·Ramón Alain Miranda-Quintana, Jens Smiatek

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Methods Mentioned

BETA
X-ray
ion exchange chromatography
size-exclusion chromatography

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