This section is from the book "Materia Medica And Therapeutics: An Introduction to the National Treatment of Disease", by John Mitchell Bruce. Also available from Amazon: The pharmacology and therapeutics of the materia medica.
Only one salt of this metal is officinal.
Cerii Oxalas. - Oxalate of Cerium. CeC2O43H1O.
Source. - Made by precipitating a solution of Oxalate of Ammonia with a soluble salt of Cerium.
Characters. - A white granular powder; insoluble in water.
Impurities. - Alumina; detected by its solution in potash giving precipitate with NH4C1. Other oxalates, the ash of which gives effervescence with boiling HC1.
Dose. - 1 to 2 gr.
Nothing is definitely known about the physiological action of cerium. It is given with benefit in vomiting, acid dyspepsia, and heartburn, especially when they occur in pregnancy; and has been credited with good effects in chronic nervous diseases such as epilepsy and chorea.