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- Kwak, Ja Hun
- Molecular Catalysis Lab.
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SITE-SELECTIVE LINE BROADENING IN MAGIC-ANGLE-SPINNING SI-29 NMR OF CUX ZEOLITE
- Alternative Title
- SITE-SELECTIVE LINE BROADENING IN MAGIC-ANGLE-SPINNING SI-29 NMR OF CUX ZEOLITE
- Author(s)
- Kwak, Jahun, RYOO, R
- Issued Date
- 1993-10
- 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
- Publisher
- American Chemical Society
- ISSN
- 0022-3654
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