hydrofluoric
a . 氟氢的
氟氢的
Hydrofluoric \
Hy `
dro *
flu *
or "
ic \,
a . [
Hydro -,
2 fluoric .]
(
Chem .)
Pertaining to ,
or containing ,
hydrogen and fluorine ;
fluohydric ;
as ,
hydrofluoric acid .
[
1913 Webster ]
{
Hydrofluoric acid } (
Chem .),
a colorless ,
mobile ,
volatile liquid , {
HF },
very corrosive in its action ,
and having a strong ,
pungent ,
suffocating odor .
It is produced by the action of sulphuric acid on fluorite ,
and is usually collected as a solution in water .
It attacks all silicates ,
as glass or porcelain ,
is the agent employed in etching glass ,
and is preserved only in vessels of platinum ,
lead ,
caoutchouc ,
or gutta -
percha .
[
1913 Webster ]
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