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CC BY-NC-ND V4.0, Open Access
Journal article
Ion Trios: Cause of Ion Specific Interactions in Aqueous Solutions and Path to a Better pH Definition
ACS omega, Vol.9(46), pp.46373-46386
2024
Abstract
Many important thermodynamic calculations for aqueous systems are profoundly limited because ion specific interactions have not been understood. Here an alternative modeling paradigm with compelling advantages is presented based on fundamental insights regarding ion–ion interactions at higher electrolyte concentrations. We also show how an intense ongoing controversy regarding single ion activity coefficients (SIACs) can be resolved and how SIACs can be quantified in full thermodynamic compliance using an overlooked convention. SIAC values can in fact be determined unequivocally and compatibly from two independent types of measurement at trace concentrations. These developments promise important advances, especially in defining pH and modeling multicomponent aqueous systems.
Details
- Title
- Ion Trios: Cause of Ion Specific Interactions in Aqueous Solutions and Path to a Better pH Definition
- Authors/Creators
- Peter M. May - Murdoch University, School of Mathematics, Statistics, Chemistry and PhysicsEric F. May - The University of Western Australia
- Publication Details
- ACS omega, Vol.9(46), pp.46373-46386
- Publisher
- ACS Publications
- Number of pages
- 14
- Grant note
- Murdoch UniversityUniversity of Western Australia
Murdoch University and the University of Western Australia provided operating support.
- Identifiers
- 991005717670107891
- Copyright
- © 2024 The Authors.
- Murdoch Affiliation
- School of Mathematics, Statistics, Chemistry and Physics
- Language
- English
- Resource Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Citation topics
- 2 Chemistry
- 2.89 Ionic, Molecular & Complex Liquids
- 2.89.462 Excess Molar Volumes
- Web Of Science research areas
- Chemistry, Multidisciplinary
- ESI research areas
- Chemistry