Lanthanum(III) nitrate

Lanthanum(III) nitrate is a water soluble salt of lanthanum. It decomposes at 499°C to lanthanum oxide, nitric oxide and oxygen.
Uses.
It is a starting chemical for the electrochemical synthesis of lanthanum permanganate and to make lanthanum oxysulfide. It is also a possible application for fluorescent display tubes.
Preparation.
Lanthanum nitrate is prepared by reacting lanthanum oxide with nitric acid which creates lanthanum(III) nitrate and water.