Terbium (Tb)

Terbium (Tb)

A member of the rare earth elements, terbium ([Xe]5f96s2) (CAS 7440-27-9) is a silvery-gray metal that is both malleable and ductile. It is soft and can be cut with a knife. Terbium is relatively stable in air, but it can be more reactive in certain forms, especially powder. It is commonly used as a dopant in solid state devices and as an activator for green phosphors.

Lanthanide Salts > Metal Alloys>

Phase at STP: Solid

Common Oxidation States: +3, 4

Number of Valence Electrons: 2

Electronegativity (Pauling): 1.2

First Ionization Energy: 155 kcal/mole

Covalent Radius: 1.59 Angstroms

Melting Point: 1356°C

Boiling Point: 3230°C

Density: 8.27 g/cm3

Crystal Structure: Hexagonal

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Terbium foil, 0.62mm (0.024in) thick, 99.9% (REO), Thermo Scientific™ Thermo Scientific™

This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Terbium powder, -40 mesh, 99.9% (REO), Thermo Scientific™ Thermo Scientific™

This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Terbium foil, 0.25mm (0.01in) thick, 99.9% (REO), Thermo Scientific™ Thermo Scientific™

This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.

Terbium pieces, distilled dendritic, 99.9% (REO), Thermo Scientific™ Thermo Scientific™

This Thermo Scientific brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific.
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