Abstract
Raney copper catalysts have been reacted with nitrous oxide at 200°C. An oxygen uptake of equivalent to four monolayers was found to be sufficient to passivate the catalyst. Pore volumes and pore radii determined by nitrogen adsorption and mercury intrusion have been found to agree closely. The passivation is reversed by reduction in hydrogen at 200°C and both BET and copper surface areas are restored.
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