Ti | Titanium |
Atomic number : 22
Relative atomic mass (12C = 12.0000) : 47.867 |
P H Y S I C A L D A T A | |
Group 4 transition metal Density / kg m-3 : 4540 [293 K]; 4110 [liquid at m.p.] |
Melting point / K : 1933 Boiling point / K : 3560 |
D I S C O V E R Y | |
Titanium was discovered in 1791 by Rev. W. Gregor at Creed, Cornwall, England, and independently in 1795 by M.H. Klaproth at Berlin, 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) : 1.12 × 105 Earth's crust / p.p.m. : 5600 Residence time / years : 50 Classification : n.a. Oxidation state : IV |
Seawater / p.p.m. : 4.8 × 10-4 |
B I O L O G I C A L D A T A | |
Level in humans Blood / mg dm-3 : 0.054 Bone / p.p.m. : n.a. Liver / p.p.m. : 1.2 - 4.7 Muscle / p.p.m. : 0.9 - 2.2 |
Daily dietary intake : 0.8 mg Total mass of element in average (70 kg) person : 20 mg |
A portrait of titanium is available on the Visual Elements site. Up to 200 individual items of information on this element are available in The Elements. |