| Er | Erbium | Atomic number : 68 Relative atomic mass (12C = 12.0000) : 167.26 |
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| P H Y S I C A L D A T A | |
| Group 3 lanthanide Density / kg m-3 : 9066 [293 K] |
Melting point / K : 1802 Boiling point / K : 3136 |
| D I S C O V E R Y | |
| Discovered in 1842 by C.G. Mosander at Stockholm, Sweden. |
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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) : 5.8 Earth's crust / p.p.m. : 3.8 Residence time / years : 400 Classification : recycled Oxidation state : III |
Seawater / p.p.m. : Atlantic surface : 5.9 × 10-7 Atlantic deep : 8.6 × 10-7 Pacific surface : n.a. Pacific deep : n.a. |
| B I O L O G I C A L D A T A | |
| Level in humans Organs: n.a., bu low |
Daily dietary intake : n.a. Total mass of element in average (70 kg) person : n.a. |
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A portrait of erbium is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |