A reinvestigation of EXAFS and EPR spectroscopic measurements of chromium(VI) reduction by coir pith

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dc.contributor.authorParinda Suksabye
dc.contributor.authorNiramon Worasith
dc.contributor.authorPaitip Thiravetyan
dc.contributor.authorAkira Nakajima
dc.contributor.authorBernard A. Goodman
dc.contributor.correspondenceB.A. Goodman; Health and Environment Department, Unit of Environmental Resources and Technologies, Austrian Institute of Technology, Seibersdorf A-2444, Austria; email: bernard_a_goodman@yahoo.com
dc.date.accessioned2025-03-10T07:37:41Z
dc.date.available2025-03-10T07:37:41Z
dc.date.issued2010
dc.description.abstractNew measurements using extended X-ray absorption fine structure (EXAFS) and electron paramagnetic resonance (EPR) techniques are consistent with Cr in the Cr(III) oxidation state as the main product from the adsorption of Cr(VI) on coir pith. These confirm the previous X-ray measurements, but differ from the results of previous EPR studies, which indicated that Cr(V) was the main form of Cr. The reason for this discrepancy is the presence of a broad signal from Cr(III) in an unsymmetrical environment that was missed previously; the Cr(V) component is in fact only a minor reaction product. As a result of this problem with spectral acquisition and interpretation, some simple recommendations are presented for conducting EPR investigations on natural systems. © 2010.
dc.identifier.citationJournal of Hazardous Materials
dc.identifier.doi10.1016/j.jhazmat.2010.03.090
dc.identifier.issn3043894
dc.identifier.scopus2-s2.0-77956194425
dc.identifier.urihttps://repository.dusit.ac.th//handle/123456789/5041
dc.languageEnglish
dc.rights.holderScopus
dc.subjectChromium
dc.subjectCoir pith
dc.subjectEPR
dc.subjectEXAFS
dc.subjectReduction
dc.titleA reinvestigation of EXAFS and EPR spectroscopic measurements of chromium(VI) reduction by coir pith
dc.typeArticle
mods.location.urlhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-77956194425&doi=10.1016%2fj.jhazmat.2010.03.090&partnerID=40&md5=a7f03a24a25e50adb2019b85d0e26cdd
oaire.citation.endPage763
oaire.citation.issue1-Mar
oaire.citation.startPage759
oaire.citation.volume180
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