Zero charge potential of a dropping mercury electrode drop determined by chronocoulometry

The growth of the dropping mercury electrode (DME) in the electrolyte using charge–time curves was investigated. The method which offers a fast and easy way to determine the potential of the zero charge is proposed. The method was tested with the addition of Triton X-100. It has been also found that...

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Bibliographic Details
Published in:	Journal of electroanalytical chemistry (Lausanne, Switzerland) Vol. 584; no. 2; pp. 215 - 218
Main Author:	ZIC, Mark
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 15-10-2005 Elsevier Science
Subjects:	Adsorption Chemistry DME Electrochemistry Exact sciences and technology General and physical chemistry Potential of the zero charge Study of interfaces Surface charge density Surface charge density Potential of the zero charge Adsorption DME Electrode adsorption Surface charge Chronocoulometry Dropping electrode Non ionic surfactant Electrode electrolyte interface Transition metal Experimental study Adsorption potential Sodium chloride Zero charge potential Aqueous solution Mercury
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Summary:	The growth of the dropping mercury electrode (DME) in the electrolyte using charge–time curves was investigated. The method which offers a fast and easy way to determine the potential of the zero charge is proposed. The method was tested with the addition of Triton X-100. It has been also found that using the proposed model and the charge–time curve it is possible to determine the surface charge density of DME at the applied potential. The influence of different specifically adsorbing ions to the growth of DME was detected and described by the proposed model.
ISSN:	1572-6657 1873-2569
DOI:	10.1016/j.jelechem.2005.07.006