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Neptunium(IV) fluoride
Neptunium fluoride
or
neptunium
tetrafluoride
is a
chemical compound
of neptunium and
fluorine
with the
formula
NpF
4
.
Synthesis
Neptunium
fluoride
can
be prepared
by reacting
neptunium fluoride
or
neptunium dioxide
with a
gas
mixture
of
oxygen
and
hydrogen fluoride
at
500
°C:
It can also be prepared by
treating
neptunium
dioxide
with
HF
gas: