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Laser-Induced Fluorescence of Base Adsorbed on Surface Sites in Solid Catalysts (2000)

Lassoued, A. ; Deson, J. ; Lalo, C. ; [et al.]

Springer

Journal of fluorescence 10 (2000), S. 261-261

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ISSN: 1573-4994

Keywords: Solid catalyst surfaces ; laser-induced luminescence ; acid sites ; quinoline

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract The interaction of quinoline with the surface of Nafion-H and Nafion-H (13 wt%)/silica gel composites, silica gel itself, HY zeolite, dealuminated or not, and two types of alumina is studied by laser-induced fluorescence. Strong Brønsted acid sites interact with quinoline to form the quinolinum, that ion being revealed by a band peaking at 390 nm. When Lewis acid sites are present, a complex formed between these sites and quinoline is observed. A dimeric species and the diffusion of the adsorbates on the surface of the Nafion-H polymer are discussed.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1009449127193

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