2012
DOI: 10.5562/cca2062
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Potentiometric Titrations as a Tool for Surface Charge Determination

Abstract: Abstract. 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 titratio… Show more

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Cited by 100 publications
(93 citation statements)
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“…In comparison to potentiometric acid-base titrations, potentiometric mass titration is a method of choice in the case of the nonsymmetrical electrolyte adsorption but is valid only in the case when the sample is free from the impurities (acidic or basic impurities that remained from synthesis procedure). 33 Besides that, another advantage of performing the experiments at low ionic strength is that it is …”
Section: Potentiometric Mass Titrationmentioning
confidence: 99%
“…In comparison to potentiometric acid-base titrations, potentiometric mass titration is a method of choice in the case of the nonsymmetrical electrolyte adsorption but is valid only in the case when the sample is free from the impurities (acidic or basic impurities that remained from synthesis procedure). 33 Besides that, another advantage of performing the experiments at low ionic strength is that it is …”
Section: Potentiometric Mass Titrationmentioning
confidence: 99%
“…The relative surface charge densities were determined by dividing the number of moles of potential-determining ions on the surface by the total available surface area (Lützenkirchen et al, 2012).…”
Section: Filter Aid Titrationmentioning
confidence: 99%
“…The end point is set at pH 3.0 [69]. SCDs are calculated following the procedure described by Lützenkirchen et al [70] with a specific surface area of 282 m 2 =g. Measurements are performed in triplicate to ensure reproducibility.…”
Section: Potentiometric Titrationsmentioning
confidence: 99%