(Zinc) II B 30 65.37 amu 419.5 907 7.133 g/cc 25 +2 4 +2 (post transition element)

.. 1000 (slab zinc or spelter) 17

Indian tin, calamine, tutanege spiauter .. 1697 Lohneyes Zink Zinc

froth flotation

50% 32% 13% 5%

(Roasting) ZnS2 ZnO

2 ZnS + 3 O2 2 ZnO + 2 SO2

(SO2) (H2SO4)

ZnO Zn pyrometallurgy electrowinning

Pyrometallurgy ZnO (C) 950

2 ZnO + C 2 Zn + CO2

2 ZnO + 2 CO 2 Zn + 2 CO2

Electrowinning (electrolysis) ZnO ZnSO4 H2SO4

ZnO + H2SO4 ZnSO4 + H2O

2 ZnSO4 + 2 H2O 2 Zn + 2 H2SO4 + O2

H2SO4

1. (galvanizing)

2.

3.

4.

5.