Abstract
Infrared spectra are reported of NO adsorbed on alumina-supported copper (II) nitrate which had been calcined in air and evacuated at 583 K. The resulting surface contained Cu+ cation sites and three types of Cu2+ site. The effects of sulfur dioxide and thiophene modification on NO adsorption have been monitored. Sulfur dioxide and thiophene inhibited the adsorption of NO on Cu+ sites. Sulfur dioxide did not inhibit, and thiophene only partially inhibited, NO adsorption on Cu2+ sites in surface spinel and copper(II) oxide species. Comparisons with corresponding data for CO as a probe adsorbate are discussed in relation to the effects of modifier, adsorbate and surface sites on adsorption behaviour.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions
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