Neptunium(III) fluoride explained

Neptunium(III) fluoride or neptunium trifluoride is a salt of neptunium and fluorine with the formula NpF3.

Synthesis

Neptunium(III) fluoride can be prepared by reacting neptunium dioxide with a gas mixture of hydrogen and hydrogen fluoride at 500 °C:

2 NpO2 + H2 + 6 HF \longrightarrow 2 NpF3 + 4 H2O