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Expanding the elution by characteristic point method for determination of various types of adsorption isotherms
Karlstad University, Faculty of Technology and Science, Department of Chemistry and Biomedical Sciences.ORCID iD: 0000-0003-1819-1709
Uppsala University.
Karlstad University, Faculty of Technology and Science, Department of Chemistry and Biomedical Sciences.ORCID iD: 0000-0002-7123-2066
2011 (English)In: Journal of Chromatography A, ISSN 0021-9673, E-ISSN 1873-3778, Vol. 1218, no 24, 3737-3742 p.Article in journal (Refereed) Published
Abstract [en]

Important improvements have recently been made on the elution by characteristic point (ECP) method to increase the accuracy of the determined adsorption isotherms. However, the method has so far been limited/used for only type I adsorption isotherms (e.g. Langmuir, Tóth, bi-Langmuir). In this study, general strategies are developed to expand the ECP method for the determination of more complex adsorption isotherms including such containing inflection points. We will exemplify the methodology with type II, type III and type V isotherms. Guidelines are given for how to determine such isotherms using the ECP method and for the experimental considerations that must be taken into account or that may be eliminated in the particular case.

Place, publisher, year, edition, pages
2011. Vol. 1218, no 24, 3737-3742 p.
Keyword [en]
Adsorption isotherms
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kau:diva-29016DOI: 10.1016/j.chroma.2011.04.035ISI: 000291576400002PubMedID: 21570689OAI: oai:DiVA.org:kau-29016DiVA: diva2:647903
Note

ID - 459

Available from: 2013-09-12 Created: 2013-09-12 Last updated: 2015-12-30Bibliographically approved

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Samuelsson, JörgenFornstedt, Torgny
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