Erbium Oxide

Name:
Erbium Oxide
Detailed information:

M Formula:	Er2O3
Properties:
Pink powder that readily absorbs moisture and carbon dioxide from the atmosphere. D 8.64, specific heat 0.065, infusible. Insoluble in water; slightly soluble in mineral acids.
Derivation:
By heating the oxalate or other oxy-acid salts.
Grade:
98–99%.
Use:
Phosphor activator, infrared-absorbing glass.

See Rare Earth.