Quantification of cation-exchanged zeolites by XPS and EDS: A comparative study

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Title: Quantification of cation-exchanged zeolites by XPS and EDS: A comparative study
Authors: Fibikar, Sandra1, Rinke, Matthias T.2, Schäfer, Andreas3, Cola, Luisa De1 L.decola@uni-muenster.de
Source: Microporous & Mesoporous Materials. Jul2010, Vol. 132 Issue 1/2, p296-299. 4p.
Subjects: Porous materials, Zeolites, Ion exchange (Chemistry), X-ray photoelectron spectroscopy, Comparative studies
Abstract: Abstract: Iron(II) and cesium are intercalated into zeolite L by wet impregnation. The elemental compositions of the cation-exchanged zeolite L were quantified for the first time by two different methods. X-ray Photoelectron Spectroscopy (XPS) and Energy Dispersive X-ray Spectroscopy (EDS) techniques were found to be suitable for the quantification, giving reliable results. Comparing the two different methods we found a small systematic difference in the amount of extraframework cations in zeolite L. These strategies could be applied for an easy and fast quantification of cations inside porous materials. [Copyright &y& Elsevier]
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Database: Engineering Source
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Abstract:Abstract: Iron(II) and cesium are intercalated into zeolite L by wet impregnation. The elemental compositions of the cation-exchanged zeolite L were quantified for the first time by two different methods. X-ray Photoelectron Spectroscopy (XPS) and Energy Dispersive X-ray Spectroscopy (EDS) techniques were found to be suitable for the quantification, giving reliable results. Comparing the two different methods we found a small systematic difference in the amount of extraframework cations in zeolite L. These strategies could be applied for an easy and fast quantification of cations inside porous materials. [Copyright &y& Elsevier]
ISSN:13871811
DOI:10.1016/j.micromeso.2010.02.016