Determination of the surface coverage of Re/Al2O3 catalysts by ion scattering spectroscopy and low-temperature CO adsorption

Authors
Cornaglia, L Houalla, M Goldwasser, J Hercules, DM
Citation
L. Cornaglia et al., Determination of the surface coverage of Re/Al2O3 catalysts by ion scattering spectroscopy and low-temperature CO adsorption, CATAL LETT, 63(3-4), 1999, pp. 131-133
Citations number
18
Categorie Soggetti
Physical Chemistry/Chemical Physics","Chemical Engineering
Journal title
CATALYSIS LETTERS
ISSN journal
1011372X → ACNP
Volume
63
Issue
3-4
Year of publication
1999
Pages
131 - 133
Database
ISI
SICI code
1011-372X(1999)63:3-4<131:DOTSCO>2.0.ZU;2-U
Abstract
The surface coverage of a series of rhenia-alumina catalysts prepared by eq uilibrium adsorption was determined by low-temperature CO adsorption. The r esults show a linear increase in the coverage of the Re oxide on the alumin a support up to 24% with increasing Re loading from 0 to ca. 5.6 wt%. This is consistent with a uniform build-up of the surface species. The coverage values measured by this method agreed very well with those obtained by ion scattering spectroscopy.