Activity Coefficients of Potassium Chloride in Aqueous Solutions of Potassium Chloride and Potassium Phthalate

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2006 English Publisher:Portuguese Society of ElectrochemistryJournal:Portugaliae Electrochimica Acta, volume 24, pages 295-303 (issn: 1647-1571,

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Authors: Marques,A.; Ferra,M.I.A.; Bandeira,M.H.;

doi: 10.4152/pea.200602295

Activity Coefficients of Potassium Chloride in Aqueous Solutions of Potassium Chloride and Potassium Phthalate

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Abstract

Mean activity coefficients of potassium chloride were determined in aqueous solutions of potassium chloride and potassium phthalate, in the temperature range 10-50 ºC and ionic strength range 0.05-4 mol kg-1, from potentiometric measurements on a galvanic cell without liquid junction. By processing the results using the Pitzer model, interaction parameters for potassium phthalate were calculated as well as their temperature dependence.

Related Organizations

University of Beira Interior
Portugal

Keywords

potassium phthalate, Pitzer equations, activity coefficients

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