Potentiometric Titrations as a Tool for Surface Charge Determination

Lützenkirchen, Johannes and Preočanin, Tajana and Kovačević, Davor and Tomišić, Vladislav and Lövgren, Lars and Kallay, Nikola (2012) Potentiometric Titrations as a Tool for Surface Charge Determination. Croatica Chemica Acta, 85 (4). pp. 391-417. ISSN 0011-1643

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This article summarizes methods for determining proton surface charge at mineral/water interfaces. It covers conventional experimental procedures and discusses problems with the techniques. Also it involves recommendations for obtaining reasonable and comparable results. The term "comparable results" refers to comparison between results for the same solid as obtained in different laboratories. The most important parameters for the surface titrations are discussed. We also propose a reference titration procedure that would allow direct, unbiased comparisons of experimental data. The article finally includes a check-list for researchers and reviewers which should allow limiting the amount of titration data that are not useful for future uses.

Item Type: Article
Keywords: surface charge; potentiometric titration; surface reaction; pH measurement
Date: 2012
Subjects: NATURAL SCIENCES > Chemistry
Divisions: Faculty of Science > Department of Chemistry
Publisher: Hrvatsko kemijsko društvo
Related URLs:
Depositing User: Branka Maravic
Date Deposited: 28 Apr 2014 12:35
Last Modified: 28 Apr 2014 12:35
URI: http://digre.pmf.unizg.hr/id/eprint/988

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