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Effect of Si(IV) substitution on the stability of microporous ZnAPSO-44 solid acid catalysts: a combined XAS/XRD study.
MedLine Citation:
PMID:  11512873     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
The combined XAS/XRD technique has been used to investigate the stability of the microporous structure during calcination process for a series of ZnAPSO-44 materials. Incorporation of large amounts of Zn is found to produce materials that are unstable upon removal of the structure directing organic template molecule. However, simultaneous incorporation of Si is found to increase the thermal stability of the materials, yielding catalysts that are well suited for acid catalysed reactions.
Authors:
G Sankar; G Muncaster; D Gleeson; C R Catlow; J M Thomas; J F Mosselmans; I Harvey; A J Dent
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of synchrotron radiation     Volume:  8     ISSN:  0909-0495     ISO Abbreviation:  J Synchrotron Radiat     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-08-21     Completed Date:  2001-09-06     Revised Date:  2003-10-31    
Medline Journal Info:
Nlm Unique ID:  9888878     Medline TA:  J Synchrotron Radiat     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  622-4     Citation Subset:  -    
Affiliation:
Davy Faraday Research Laboratory, The Royal Institution of Great Britain, London, UK. sankar@ri.ac.uk
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