ISSN:
1572-879X
Keywords:
Nucleation of zeolite precursor
;
ZSM-5 nucleation by29Si NMR
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
Notes:
Abstract The nucleation of (Al-free) zeolite precursor gels was studied using X-ray diffraction,29Si FT-NMR, and ion exchange. Results suggest that in ZSM-5 nucleation, the channel intersections are first formed. These clathrate-like units, each containing essentially one TPA+ cation, are initially randomly connected, but progressively “anneal” with rearrangement under the influence of OH− ions to form the ZSM-5 framework.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00764192
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