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Oberflächenpotential und elektrokinetisches Potential

  • Chapter
Dispersionen und Emulsionen

Zusammenfassung

Die Ladungen an der Oberfläche eines Teilchens erzeugen ein Potential ψ, das unmittelbar an der Grenzfläche den Wert ψ 0 hat und zur Lösung hin abfällt. Weit weg vom Teilchen ist ψ = 0 (Kap. 2.3.1). Wie sich das Potential mit zunehmendem Abstand von der Grenzfläche ändert, hängt von der Verteilung der Ionen zwischen Grenzfläche und Lösung ab. Modelle, die diese Verteilung beschreiben, wurden bereits diskutiert (Kap. 2.3.2, 9.4).

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  1. Institut für Anorganische Chemie, Christian-Albrechts-Universität, D-24098, Kiel, Germany

    Prof. Dr. Dr. h.c. Gerhard Lagaly, Dipl. Chem. Dipl. Psych. Oliver Schulz & Dr. Ralf Zimehl

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  1. Prof. Dr. Dr. h.c. Gerhard Lagaly
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  2. Dipl. Chem. Dipl. Psych. Oliver Schulz
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Lagaly, G., Schulz, O., Zimehl, R. (1997). Oberflächenpotential und elektrokinetisches Potential. In: Dispersionen und Emulsionen. Steinkopff, Heidelberg. https://doi.org/10.1007/978-3-642-59248-5_10

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  • DOI: https://doi.org/10.1007/978-3-642-59248-5_10

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