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Erbium (Er) Metal

Erbium (Er) is a Rare Earth Metal. It is a soft, silvery element that is malleable and bright. Erbium finds little use as a metal It does not oxidize as rapidly as some of the other rare earth metals as it is fairly stable in air. Erbium has a high electrical resistivity.

Purity 99-99.9%
Typical Applications

Erbium is used in steel alloyed with metals such as vanadium, as its addition lowers their hardness and improves their workability. It is commonly used as a photographic filter, and because of its resilience, it is helpful as a metallurgical additive. It is also used in fiber optic cables and lasers due to its pink-colored Er³⁺ ions, which have optical fluorescent properties.

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Erbium (Er) Metal TSCA (SARA Title III) Status: Listed. For further information, please call the EPA, Office of Chemical Safety and Pollution Prevention (OCSPP) at 202-564-2902
Erbium (Er) Metal CAS Number: 7440-52-0
Erbium (Er) Metal UN Number: 3089

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