Cadmium
standard: GOST 1467-93
Production cycle:
⇒ leaching the copper-cadmium cakes, with the transfer of cadmium into solution;
⇒ cementation of the solutions by zinc powder to obtain the cadmium sponge;
⇒ dissolution of the cadmium sponge in the sulfuric acid solution;
⇒ electrolysis of the cadmium-bearing solution to produce the cadmium cathode;
⇒ re-melting
Application range:
The metal cadmium is used to produce alloys for electrical engineering, machine building, for anticorrosive coating of metals, in atomic industry, and to make nonorganic coloring matters.
Form and packing:
The ingot cadmium has a mass of (10.0 ± 1.5) kg, with the placingon pallets. Each ingot must be marked: trademark of the manufacturer, cadmium brand, and the lot number.
The metal cadmium is produced in line with GOST 1467, brands:
Кд0А and Кд0.
brand Кд0А, Cd – 99.98%
brand Кд0А, Cd – no less than 99.96%