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Erbium

Erbium
CAS number
7440-52-0
Molecular weight
167.26
Molecular formula / chemical symbol
Er

Description

Sponge state or "crystalline metals, fracture is silvery white metal luster, and the air is easy oxidation. Salts and oxide is pink to red.

USES

Erbium metal for atomic energy industry and electronic industry, non-ferrous metal additives, high-tech alloy material.

Keywords:Electronic chemicals


Report

Codes

%Chemical compositions



TRE

Metal erbium relative purity

Er/TRE

Impurities Max




Rare earth impurity

Non-RE


Min


Fe

Cu

W

O

C

-

Er-3NA

99

99.5

0.5

0.05

0.006

0.146

0.03

0.002

-

Er-3NB









-

Er-4NA

99.5

99.9

0.1

0.03

0.0031

0.100

0.005

0.002

-

Er-4NB









-