Acidity of partially and non-dealuminated HY zeolites measured by 4-K broad-line and 300-K high-resolution magic-angle spinning 1H nuclear magnetic resonance spectroscopy: Synergy between Brönsted and Lewis acid sites

P Batamack,C Dorémieux-Morin,R Vincent,J Fraissard

doi:10.1016/0927-6513(93)e0067-q

Acidity of partially and non-dealuminated HY zeolites measured by 4-K broad-line and 300-K high-resolution magic-angle spinning 1H nuclear magnetic resonance spectroscopy: Synergy between Brönsted and Lewis acid sites

P Batamack, C Dorémieux-Morin + Show 2 more

https://doi.org/10.1016/0927-6513(93)e0067-q

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Journal: Microporous Materials	Publication Date: Jul 1, 1994
Citations: 46

Affiliation: Sorbonne Université, French National Centre for Scientific Research

#Spinning 1H Nuclear Magnetic Resonance #1H Nuclear Magnetic Resonance Spectroscopy + Show 8 more

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Abstract

Previous experimental results on the acidity of partially hydrated [non-dealuminated or dealuminated by (NH4)2SiF6] HY zeolite samples obtained using both 4-K broad-line and 300-K magic-angle spinning (MAS) 1H nuclear magnetic resonance (NMR) spectroscopy are discussed. An attempt is made to explain the synergy between Brönsted and Lewis acid sites.

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