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FTIR Studies of the Adsorption of Acetic Acid on Silicas (2000)

Jackson, S. David ; Kelly, Gordon J. ; Lennon, David

Springer

Reaction kinetics and catalysis letters 70 (2000), S. 207-212

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ISSN: 1588-2837

Keywords: FTIR ; cesium ; silica ; acetic acid

Source: Springer Online Journal Archives 1860-2000

Topics: Chemistry and Pharmacology

Notes: Abstract A range of cesium doped silica samples (0.15 – 0.90 mmol g−1) have been characterized using a combination of deuterium exchange and adsorption of acetic acid. FTIR results show a strong correlation between the carboxylate formation on acetic acid adsorption and catalyst activity. Cesium loadings of 〉 0.3 mmol g−1 do not give any increased acetic acid adsorption, suggesting a saturation of the silica exchange capacity. Deuterium exchange studies demonstrate that 35% of the surface silanol groups on the fresh silica are rapidly exchanged with deuterated water at room temperature.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1023/A:1010312110358

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