| Structure and speciation of chromium ions in chromium doped Fe(2)O(3) catalysts. | |
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MedLine Citation:
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PMID: 23147963 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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In this paper, we report a detailed characterisation of chromium doped iron oxide catalysts using a range of techniques to establish the nature of chromium species in the near surface and bulk of iron oxide, high-temperature shift (HTS) catalysts. In particular we have employed X-ray absorption spectroscopy Cr K-edge near edge and extended fine structure data for comparison with chemical and X-ray photoelectron spectroscopy. There was excellent agreement between the techniques in terms of identification and quantification of Cr(6+) and Cr(3+) species as a function of calcination temperatures between 100 and 500 °C. |
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Authors:
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Vladimir Martis; Richard Oldman; Ross Anderson; Martin Fowles; Tim Hyde; Richard Smith; Sergey Nikitenko; Wim Bras; Gopinathan Sankar |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-13 |
Journal Detail:
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Title: Physical chemistry chemical physics : PCCP Volume: - ISSN: 1463-9084 ISO Abbreviation: Phys Chem Chem Phys Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-13 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100888160 Medline TA: Phys Chem Chem Phys Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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University College London, Department of Chemistry, 20 Gordon Street, London, WC1H 0AJ, UK. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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