CYRILLIC R

Specialty Definition: Erbium

(From Wikipedia, the free Encyclopedia)

A chemical element, in the periodic table erbium has the symbol Er and atomic number 68. Erbium is a lanthanide.
Erbium has a melting point of 1497 °C (2727 °F) and a boiling point of 2868 °C (5194 °F).
Erbium's everyday uses are varied; commonly it is used as a photographic filter, as a colourant (pink) for glass and porcelain, and because of its resilience it is useful as an metallurgical additive. Erbium is also used in nuclear technology.
Erbium is also used as a dopant in Fiber amplifiers.
Source: adapted by the editor from Wikipedia, the free encyclopedia under a copyleft GNU Free Documentation License (GFDL) from the article "Erbium."

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