Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 2773 - 2780 (1986)
Update date:2022-08-25
Topics:
Puttock, Simon J.
Rochester, Colin H.
Infrared spectra of vanadyl pyrophosphate contained a broad maximum at 2550-3550 cm-1 which exchange experiments with deuterium oxide showed could be primarily attributed to residual OH-containing species in the bulk crystal lattice.However, the presence of Broensted-acidic surface hydroxy groups was exhibited by the generation of adsorbed pyridinium ions when (VO)2P2O7 was exposed to pyridine vapour.Pyridine was also adsorbed on Lewis-acidic surface sites, some of which were converted to Broensted-acidic sites by the adsorption of water.
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