Thermodynamic Data for Sn(IV) Species in Aqueous Solution: A Matter of Controversy and Error

Peter M. M. May; Montserrat Filella

doi:10.1007/s10953-023-01259-2

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Thermodynamic Data for Sn(IV) Species in Aqueous Solution: A Matter of Controversy and Error

Journal article

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Peer reviewed

Thermodynamic Data for Sn(IV) Species in Aqueous Solution: A Matter of Controversy and Error

Peter M. M. May and Montserrat Filella

Journal of solution chemistry, Vol.52(7), pp.754-761

2023

DOI: https://doi.org/10.1007/s10953-023-01259-2

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Abstract

Chemistry

Chemistry, Physical

Physical Sciences

Science & Technology

Critically assessed data regarding Sn(IV) dioxides and hydroxy complexes have recently been challenged. Differences as large as nine orders of magnitude occur in certain of the published solubility products and other equilibrium constants, despite supposedly being derived from the same 'reliable' measurements. We show how these differing conclusions depend on the assignments of uncertainty in the respective experimental observations and that the divergence is due to error propagation in identifiable thermodynamic analyses. The use of Sn4+ as a 'basis'/'master' species in thermodynamic modelling is deprecated. Automatic methods which enable the necessary calculations to be properly evaluated, as well as easily repeated, help uncover such mistakes. The results from the comprehensive NEA review are substantially confirmed.

Details

Title: Thermodynamic Data for Sn(IV) Species in Aqueous Solution: A Matter of Controversy and Error
Authors/Creators: Peter M. M. May - Murdoch University, School of Mathematics, Statistics, Chemistry and Physics
Montserrat Filella - University of Geneva
Publication Details: Journal of solution chemistry, Vol.52(7), pp.754-761
Publisher: Springer Nature
Number of pages: 8
Identifiers: 991005597070007891
Murdoch Affiliation: School of Mathematics, Statistics, Chemistry and Physics
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 8 Earth Sciences; 8.242 Nuclear Geology; 8.242.1362 Uranium Chemistry
Web Of Science research areas: Chemistry, Physical
ESI research areas: Chemistry