ESCA, SIMS, SEM and XRD investigations of Pt-10%Rh catalyst-gauzes

A. P. v. Rosenstiel,W. H. J. Bruis,G. H. Os,P. R. Mertens,O. A. Koeiman,K. H. Berresheim

Fresenius Journal of Analytical Chemistry（1989）

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摘要

The nature and origin of harmful surface contaminants of spent Pt-10%Rh catalyst gauzes was determined by HR-SEM, ESCA, SIMS and XRD. Based on the analytical results the degree of surface contamination could be greatly reduced. Together with an appropriate optimization of several process-parameters the effective life time of the Pt-Rh catalyst could be significantly improved.

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关键词

Physical Chemistry, Analytical Chemistry, Inorganic Chemistry, Life Time, Surface Contamination

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