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An in situ ATR-FTIR study of the adsorption kinetics of xanthate on germanium
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Industriell miljö- och processteknik.ORCID-id: 0000-0001-9794-8305
2007 (engelsk)Inngår i: Colloids and Surfaces A: Physicochemical and Engineering Aspects, ISSN 0927-7757, E-ISSN 1873-4359, Vol. 302, nr 1-3, s. 96-101Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2007. Vol. 302, nr 1-3, s. 96-101
HSV kategori
Forskningsprogram
Gränsytors kemi
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URN: urn:nbn:se:ltu:diva-11630DOI: 10.1016/j.colsurfa.2007.02.005ISI: 000247192300014Scopus ID: 2-s2.0-34248170140Lokal ID: aa5a0010-5af3-11dc-8a1d-000ea68e967bOAI: oai:DiVA.org:ltu-11630DiVA, id: diva2:984580
Merknad
Validerad; 2007; 20070904 (pafi)Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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Fredriksson, AndreasHolmgren, Allan

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