Sulfate protonation in sodium chloride and sodium perchlorate media

T. Vielma; G. Hefter

doi:10.1007/s10953-022-01179-7

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Sulfate protonation in sodium chloride and sodium perchlorate media

Journal article

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Sulfate protonation in sodium chloride and sodium perchlorate media

T. Vielma and G. Hefter

Journal of Solution Chemistry, Vol.51(8), pp.962-969

2022

DOI: https://doi.org/10.1007/s10953-022-01179-7

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Abstract

The equilibrium (association) constant, KA, for the first protonation of the sulfate ion in aqueous solution: [H+(aq) + SO2−4(aq) ⇌ HSO−4(aq)] has been measured at 298.15 K in NaCl and NaClO4 media using glass-electrode potentiometry at five ionic strengths in the range 0.5 ≤ I/(mol·dm−3) ≤ 5.0. The present KA values vary smoothly with I and are in good agreement with reliable literature data but indicate that the previously reported value of KA at I = 5 mol·dm−3 in NaClO4 media is in error.

Details

Title: Sulfate protonation in sodium chloride and sodium perchlorate media
Authors/Creators: T. Vielma (Author/Creator) - University of Oulu
G. Hefter (Author/Creator)
Publication Details: Journal of Solution Chemistry, Vol.51(8), pp.962-969
Publisher: Springer Netherlands
Identifiers: 991005543082707891
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: 2 Chemistry; 2.89 Ionic, Molecular & Complex Liquids; 2.89.462 Excess Molar Volumes
Web Of Science research areas: Chemistry, Physical
ESI research areas: Chemistry