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An in situ ATR-FTIR study of the adsorption kinetics of xanthate on germanium
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Sustainable Process Engineering.ORCID iD: 0000-0001-9794-8305
2007 (English)In: Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, E-ISSN 1873-4359, Vol. 302, no 1-3, p. 96-101Article in journal (Refereed) Published
Abstract [en]

The in situ adsorption of n-heptyl xanthate on a germanium multiple internal reflection element was studied at constant ionic strength and X-ray photoelectron spectroscopy was used in the investigation of the germanium surface. The kinetics of heptyl xanthate adsorption was evaluated using the integrated absorbance of a sub-band under the vibration at 1200 cm−1. This vibration was assigned to the adsorbed xanthate molecule. It was shown that the adsorption of heptyl xanthate can be represented by a pseudo-first-order rate law and a monodentate binding of the xanthate to the germanium surface is proposed. During the adsorption of xanthate, the dimeric form of xanthate was simultaneously formed.

Place, publisher, year, edition, pages
2007. Vol. 302, no 1-3, p. 96-101
National Category
Physical Chemistry
Research subject
Chemistry of Interfaces
Identifiers
URN: urn:nbn:se:ltu:diva-11630DOI: 10.1016/j.colsurfa.2007.02.005ISI: 000247192300014Scopus ID: 2-s2.0-34248170140Local ID: aa5a0010-5af3-11dc-8a1d-000ea68e967bOAI: oai:DiVA.org:ltu-11630DiVA, id: diva2:984580
Note
Validerad; 2007; 20070904 (pafi)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Fredriksson, AndreasHolmgren, Allan

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