Method of purifying indium

Details Method of purifying indium Method of purifying indium

1982-08-23

1983-10-18

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 63, 75 84, C22B 5800

Patent

active

044103573

ABSTRACT:
The invention relates to a method of purifying indium from silicon by baking an indium melt at a predetermined baking temperature in a crucible in a quartz container through which hydrogen gas having a predetermined water content, is flowed. According to the invention the quartz container is kept during the baking at a predetermined temperature that is lower than the baking temperature, and the surface skin of the melt is broken up at least once during the baking.

REFERENCES:
patent: 2901342 (1959-08-01), Siemons

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