A General Correlation for the 129Xe NMR Chemical Shift-Pore Size Relationship in Porous Silica-Based Materials

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DOIResolve DOI: http://doi.org/10.1021/la025714xS0743-7463(02)05714-1
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TypeArticle
Journal titleLangmuir
Langmuir
ISSN0743-7463
Volume18
Issue15
Pages56535656; # of pages: 4
AbstractA general correlation for the 129Xe NMR chemical shift-pore size relationship ( versus D) in porous silica-based materials over the range 0.5-40 nm has been demonstrated: = s/(1 + D/b), with s = 116 ? 3 ppm and b = 117 ? 8 ? for the 34 materials studied. The correlation may be used in the characterization of silica samples with unknown pore structure. Even within this general correlation, subsets of materials of similar origin display finer correlations that indicate an acute sensitivity to details of the pore surfaces.
Publication date
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
Identifier10367391
NPARC number12338116
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Record identifier7f05b625-7a0a-4859-958b-0b5e469f2a3b
Record created2009-09-10
Record modified2016-05-09
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