Order of Affinity of Metals for Copper, Iron, Cobalt and Nickel

Details Order of Affinity of Metals for Copper, Iron, Cobalt and Nickel Order of Affinity of Metals for Copper, Iron, Cobalt and Nickel

Jul 1936

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1936natur.138..161r&link_type=abstract

Nature, Volume 138, Issue 3482, pp. 161 (1936).

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Scientific paper

EACH of the metals aluminium, zinc, cadmium, tin, mercury and lead is known from X-ray and thermal data to form intermetallic compounds with copper. Some of these may be prepared also by obtaining the two metals in dilute solution or suspension (1-4 per cent) at the ordinary temperature in mercury and removing excess of the more reactive metal by oxidation and the mercury by filtration and distillation1. In mercury, under such conditions, there is in each system a binary compound much stabler than the others, namely, AlCu6, Sn4Cu5, ZnCu, CdCu4, Hg3Cu. The question arises : Suppose we have two of the above metals competing for copper in the medium of mercury, do both combine with copper or does one only ? Or, suppose we add one metal to the compound of another metal and copper, is there a partial reaction, or does the reaction go either completely or not at all ?

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