Samarium(III) oxalate is an inorganic compound, a salt of samarium and oxalic acid with the formula Sm<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>. The compound does not dissolve in water, forms a crystalline hydrate with yellow crystals.
Precipitation of soluble samarium salts with oxalic acid:
Also a reaction of samarium nitrate and oxalic acid in an aqueous solution:
Samarium(III) oxalate forms a crystalline hydrate of the composition Sm<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub> ⢠10H<sub>2</sub>O with yellow crystals.
Decomposes on heating:
Crystalline hydrate Sm<sub>2</sub>(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub> ⢠10H<sub>2</sub>O decomposes stepwise.