Dissociation constants of KSO4 - from 10°-50°C

A. H. Truesdell*, P. B. Hostetler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


A cell without liquid junction was used to obtain dissociation constants for the reaction: KSO4 - = K+ + SO4 2-. At 10°, 25°, 38° and 50°C, values for Kdiss KSO4 - are, respectively, 0.195, 0.142, 0.117, and 0.095. At 25°C, ΔGf{hook}, and ΔHf{hook}° values for the KSO4 - ion are -245.96 and -274.02 kcal mole-1, and S° is +42.3 cal mole-1 deg-1.

Original languageEnglish
Pages (from-to)1019-1022
Number of pages4
JournalGeochimica et Cosmochimica Acta
Issue number9
Publication statusPublished - Sep 1968
Externally publishedYes


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