Cd | Cadmium |
Atomic number : 48
Relative atomic mass (12C = 12.0000) : 112.411 |
P H Y S I C A L D A T A | |
Group 12 transition metal Density / kg m-3 : 8650 [293 K]; 7996 [liquid at m.p.] |
Melting point / K : 594.1 Boiling point / K : 1038 |
D I S C O V E R Y | |
Discovered in 1817 by F. Stromeyer at Göttingen, Germany. |
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G E O L O G I C A L D A T A | |
Abundances Sun (relative to H = 1 × 1012) : 71 Earth's crust / p.p.m. : 0.11 Residence time / years : 30 Classification : recycled Oxidation state : II |
Seawater / p.p.m. : Atlantic surface : 1.1 × 10-6 Atlantic deep : 38 × 10-6 Pacific surface : 1.1 × 10-6 Pacific deep : 100 × 10-6 |
B I O L O G I C A L D A T A | |
Level in humans Blood / mg dm-3 : 0.0052 Bone / p.p.m. : 1.8 Liver / p.p.m. : 2 - 22 Muscle / p.p.m. : 0.14 - 3.2 |
Daily dietary intake : 0.007 - 3 mg Total mass of element in average (70 kg) person : 50 mg |
A portrait of cadmium is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |