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Kwak, Ja Hun
Molecular Catalysis lab
Research Interests
  • Heterogeneous catalysis, molecular catalysis, ASlumima, zeolites

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SITE-SELECTIVE LINE BROADENING IN MAGIC-ANGLE-SPINNING SI-29 NMR OF CUX ZEOLITE

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Title
SITE-SELECTIVE LINE BROADENING IN MAGIC-ANGLE-SPINNING SI-29 NMR OF CUX ZEOLITE
Other Titles
SITE-SELECTIVE LINE BROADENING IN MAGIC-ANGLE-SPINNING SI-29 NMR OF CUX ZEOLITE
Author
Kwak, JahunRYOO, R
Issue Date
1993-10
Publisher
American Chemical Society
Citation
JOURNAL OF PHYSICAL CHEMISTRY, v.97, no.43, pp.11154 - 11156
Abstract
The effect of a paramagnetic Cu2+ ion exchange on NMR line broadening was examined by using magic angle spinning Si-29 NMR spectroscopy. The NMR spectrum showed very selective, local line broadening effects for the Si atoms in the SiO4 framework units, onto which the Cu2+ is thought to be exchanged. This effect was used to investigate the local ion-exchange site selectivity of Cu2+ over Na+, Zn2+, Y3+, and Ag+ in X zeolites
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DOI
10.1021/j100145a005
ISSN
0022-3654
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ECHE_Journal Papers
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