Concentration Depth Profiles of Inorganic Ions at Liquid Surfaces

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Contents Vol 63(3)

doi:10.1071/CH09294

Concentration Depth Profiles of Inorganic Ions at Liquid Surfaces*

Gunther Andersson

^A School of Chemistry, Physics and Earth Science, Flinders University, GPO Box 2100, Adelaide, SA 5000, Australia.
^B Leipzig University, Wilhelm-Ostwald-Institute for Physical and Theoretical Chemistry, Linnestr. 3, 04103 Leipzig, Germany.
^C Email: gunther.andersson@flinders.edu.au





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Australian Journal of Chemistry 63(3) 434–437 http://dx.doi.org/10.1071/CH09294
Submitted: 15 May 2009 Accepted: 20 July 2009 Published online: 26 March 2010

Abstract

For a decade, it has been discussed whether or not inorganic ions like iodide or bromide adsorb preferentially at liquid surfaces. Thermodynamic relationships cannot be used to derive detailed information about the molecular structure of surfaces. Thus, it is import to investigate the structure of liquid surfaces directly. Neutral Impact Collision Ion Scattering Spectroscopy is one of the very few techniques that can be used to determine directly the molecular structure of liquid surfaces.

^* This paper is based on work presented at the Australian Colloid and Interface Symposium, Adelaide, February 2009.