INFRARED STUDY OF THE ADSORPTION OF FORMIC-ACID ON SILICA-SUPPORTED COPPER AND OXIDIZED COPPER-CATALYSTS

被引:76
作者
MILLAR, GJ [1 ]
ROCHESTER, CH [1 ]
WAUGH, KC [1 ]
机构
[1] ICI CHEM & POLYMERS LTD,CATALYSIS RES CTR,BILLINGHAM TS23 1LB,CLEVELAND,ENGLAND
来源
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS | 1991年 / 87卷 / 09期
关键词
D O I
10.1039/ft9918701491
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Infrared spectra are reported of formic acid adsorbed at 300 K on a reduced copper catalyst (Cu/SiO2) and a copper surface which had been oxidised by exposure to nitrous oxide. Formic acid was weakly absorbed on the silica support. Ligation of formic acid to the copper surface occurred only on the reduced catalyst. Dissociative adsorption resulted in the formation of unidentate formate on the oxidised catalyst. The presence of reduced copper metal instigated a rapid reorientation to a bidentate formate species.
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页码:1491 / 1496
页数:6
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