Russia: ChTsZ produces highest purity indium
Chelyabinsk Zinc Works has produced 27 kg of indium of the 6N purity grade and the main element contents of 99.9999%. Earlier ChTsZ was able to produce indium of 5N (In>99.999%). The company started obtaining indium from the rotary oxide in the 1940s. At first the metal was produced as concentrate or indium sponge. In…
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