Method for the production of aluminium or magnesium phosphide

Details Method for the production of aluminium or magnesium phosphide Method for the production of aluminium or magnesium phosphide

C - Chemistry, Metallurgy

01

B

23/80

C01B 25/08 (2006.01)

Patent

CA 1182273

ABSTRACT The invention is directed to a process of im- proving the production of phosphide of aluminum or mag- nesium in which the finely divided metal or an alloy of the two metals is reacted with yellow phosphorus at a temper- ature between 300 and 600°C in an inert gas atmosphere and in the presence of a catalytically effective amount of the element chlorine, bromine, or iodine or a compound of such element with phosphorus, sulfur, hydrogen, ammonium, zinc, or the metal being reacted. The improvement consists in slowly feeding both the yellow phosphorus in liquid form and the finely divided metal into the reaction vessel.

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