Aluminum-27 magic angle spinning nuclear magnetic resonance studies of zeolite TPA-ZSM-5
Journal Article
·
· J. Phys. Chem.; (United States)
The observation by /sup 27/Al MAS NMR of distinct aluminum tetrahedral sites in TPA-ZSM-5 in contrast to Na, H-ZSM-5 is related to the TPA/Al ratio in zeolite TPA-ZSM-5. For TPA-ZSM-5 with a TPA/Al ratio > 1 only one /sup 27/Al resonance is observed at 53.5 ppm. In the case of a TPA/Al ratio < 1 an additional /sup 27/Al resonance is observed at 60.0 ppm, due to hydrated sodium ions needed for the neutralization of AlO/sub 4//sup -/ tetrahedrons not charge compensated by TPA/sup +/. 10 references, 2 figures, 1 table.
- Research Organization:
- Univ. of Nijmegen, Netherlands
- OSTI ID:
- 5133704
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 89:10; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALKALI METALS
ALUMINIUM
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DATA
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MAGNETIC RESONANCE
MATERIALS
METALS
MINERALS
NUCLEAR MAGNETIC RESONANCE
NUMERICAL DATA
RESONANCE
SODIUM
STRUCTURAL CHEMICAL ANALYSIS
SURFACE PROPERTIES
TETRAGONAL LATTICES
ZEOLITES
400201* -- Chemical & Physicochemical Properties
ALKALI METALS
ALUMINIUM
CRYSTAL LATTICES
CRYSTAL STRUCTURE
DATA
ELEMENTS
EXPERIMENTAL DATA
INFORMATION
INORGANIC ION EXCHANGERS
ION EXCHANGE MATERIALS
MAGNETIC RESONANCE
MATERIALS
METALS
MINERALS
NUCLEAR MAGNETIC RESONANCE
NUMERICAL DATA
RESONANCE
SODIUM
STRUCTURAL CHEMICAL ANALYSIS
SURFACE PROPERTIES
TETRAGONAL LATTICES
ZEOLITES