Abstract
Pre-adsorbed nitrogen or β-carbon monoxide inhibit the surface reactivity of tungsten towards hydrogen, both in catalysis and in adsorption. The effect of nitrogen can be satisfactorily accounted for by a simple reduction in the area of reactive filament, taking into account the selective adsorption of this gas by the low index planes of tungsten. With carbon monoxide the effect is considerably greater, perhaps because of lateral interactions between adsorbed hydrogen and carbon monoxide.
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Gasser, R., Jackson, G. Surface reactivity of tungsten. Nature 253, 407–410 (1975). https://doi.org/10.1038/253407a0
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DOI: https://doi.org/10.1038/253407a0
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