General Principles and Processes of Isolation of Elements
Occurrence of metals:
Metal |
Ores |
Composition |
Aluminium
|
Bauxite |
AlOx(OH)3-2x [where 0 < x < 1] |
Kaolinite (a form of clay) |
[Al2 (OH)4 Si2O5] |
|
Iron
|
Haematite |
Fe2O3 |
Magnetite |
Fe3O4 |
|
Siderite |
FeCO3 |
|
Iron pyrites |
FeS2 |
|
Copper
|
Copper pyrites |
CuFeS2 |
Malachite |
CuCO3.Cu(OH)2 |
|
Cuprite |
Cu2O |
|
Copper glance |
Cu2S |
|
Zinc |
Zinc blende or Sphalerite |
ZnS |
Calamine |
ZnCO3 |
…
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