Erbium physical and mechanical properties. Application.
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Erbium specification
Rare-earth silver-white soft metal from the group of lanthanides. Atomic number 68. It has a hexagonal lattice with parameters, a = 0.35 588 and c = 0.55 874 nm. The metal easily reacts with oxygen and halides to form salts. In an industrial way it is obtained by electrolysis of a melt of ErCl 3 with chloride salts of potassium, calcium, and sodium.
| Chemical symbol | Er |
| Atomic mass g / mol | 167.26 |
| Degree of oxidation | +3 |
| Density [g / cm3] | 9,062 |
| Melting point t ° C | 1529 ° C |
| Boiling point t ° C | 2510 ° C |
| Heat of evaporation kJ / mol | 317 |
Application
Laser and fiber optics, nuclear power engineering, smelting of magnetic alloys. The mixture of Er 2 O 3 oxide and uranium oxide in the control rods of nuclear boilers increases the safety, technical and economic return of the reactor. Single crystals of oxide. Er 2 O 3 are part of the phosphors, laser glasses, special ceramics. .
Storage
In closed warehouses or under a canopy, where adequate protection against mechanical and other damages is provided.
Delivery, price
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