Document Detail


A crystallite packing model for pseudoboehmite formed during the hydrolysis of trisecbutoxyaluminium to explain the peptizability.
MedLine Citation:
PMID:  16290448     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
A model for pseudoboehmite crystallite packing formed during the hydrolysis of trisecbutoxyaluminium is postulated. The model describes platelike crystallites of pseudoboehmite stacked in a sharing edges only configuration. With this type of stacking, the pore sizes detected are approximately equal to the crystallite sizes of the hydrolysates. The hydrolysates age via a dissolution re-precipitation reaction. This increases the size of the crystallite size of the pseudoboehmite formed, speeding peptization by allowing nitrate ions to enter pores and access the surfaces of the crystallites. This type of model also allows an explanation for the peptization kinetics of systems containing sec-butanol formed during the hydrolysis of trisecbutoxyaluminium.
Authors:
Wayde N Martens; J Theo Kloprogge; Ray L Frost; John R Bartlett
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of colloid and interface science     Volume:  247     ISSN:  0021-9797     ISO Abbreviation:  J Colloid Interface Sci     Publication Date:  2002 Mar 
Date Detail:
Created Date:  2005-11-18     Completed Date:  2007-06-27     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0043125     Medline TA:  J Colloid Interface Sci     Country:  United States    
Other Details:
Languages:  eng     Pagination:  132-7     Citation Subset:  -    
Affiliation:
Centre for Instrumental and Developmental Chemistry, Queensland University of Technology, GPO Box 2434, 2 George Street, Brisbane, Queensland, 4001, Australia. w.martens@qut.edu.au
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