An oxide of the rare earth metal erbium. It is a pink powder with the chemical formula Er2O3.
CAS No: 12061-16-4
An inorganic compound of erbium with the formula Er(NO3)3x5H2O. It is a pink, hygroscopic powder. Erbium (III) nitrate pentahydrate, like all nitrates, is an oxidizing agent.
It can also be delivered as a water based solution with 20% Er.
CAS No: 10031-51-3
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