Zinc
Standard:GOST 3640-94
Production cycle:
- roasting the sulfide zinc concentrates in fluid-bed furnaces;
- leaching the zinc cinders and oxides with obtaining the zinc solutions and zinc cake;
- rotary-kiln operation for zinc cakes with producing the zinc oxides;
- clarification of zinc solutions;
- electrolysis of neutral clarified zinc solutions;
- re-melting the cathode zinc to obtain ingots.
Application range:
Galvanic coating, medicine, production of zinc-bearing alloy, production of paint and varnish items, machine building, construction, etc.
Form and packing:
Ingots having a mass of about 25 kg, packed as piles with a mass of not more than 1000 kg and not higher than 500 mm, tied up with a steel tape.
The metal zinc is made as per the GOST 3640 requirements, Ц0А and Ц0 brands.
brand Ц0А, Zn – 99.98%
brand Ц0, Zn – 99.975%
| Brands | No less than | Chemical composition, Impurity percentage, no more than | ||||||
|---|---|---|---|---|---|---|---|---|
| Zn | Pb | Cd | Fe | Cu | Sn | Ac | Всего | |
| Ц0А | 99,98 | 0,01 | 0,003 | 0,003 | 0,001 | 0,001 | 0,0005 | 0,02 |
| Ц0 | 99,975 | 0,013 | 0,004 | 0,005 | 0,001 | 0,001 | 0,0005 | 0,025 |
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