Thulium Oxalate

Name:
Thulium Oxalate
Detailed information:

M Formula:	Tm2(C2O4)3•6H2O
Properties:
Greenish-white precipitate, loses H2O at 50C. Soluble in aqueous alkali oxalates.
Derivation:
Precipitation of a solution containing a thulium salt and a mineral acid by addition of oxalic acid.
Use:
Analytical separation of thulium (and other rare-earth metals) from the common metals.