-
dissolves in
water to
yield hydrofluoric acid. It is the prin****l
industrial source of fluorine,
often in the form of
hydrofluoric acid, and is an important...
-
Hydrofluoric acid is a
solution of
hydrogen fluoride (HF) in water.
Solutions of HF are colorless,
acidic and
highly corrosive. A
common concentration...
- A
hydrofluoric acid burn is a
chemical burn from
hydrofluoric acid.
Where it
contacts the skin it
results in
significant pain, swelling, redness, and...
-
hydrogen fluoride, also
known as
hydrofluoric acid.
Unlike the
other hydrohalic acids,
which are strong,
hydrofluoric acid is a weak acid at low concentrations...
- of
calcium gluconate are used to
treat hydrofluoric acid burns. The
calcium gluconate reacts with
hydrofluoric acid to form insoluble, non-toxic calcium...
- from Agricola's
invented Latin terminology. In the late 18th century,
hydrofluoric acid was discovered. By the
early 19th century, it was
recognized that...
-
refinery in Philadelphia, Pennsylvania. A
release of
hydrocarbons and
hydrofluoric acid in the refinery's
alkylation unit
caused a ground-hugging vapor...
- a gl****-etchant and an
intermediate in a once-contemplated
route to
hydrofluoric acid.
Ammonium bifluoride, as its name indicates,
contains an ammonium...
- be
agitated to
achieve good
process control. For instance,
buffered hydrofluoric acid (BHF) is used
commonly to etch
silicon dioxide over a
silicon substrate...
- (H2SO4) or
hydrofluoric acid (HF) as catalyst.
Depending on the acid used, the unit is
called a
sulfuric acid
alkylation unit (SAAU) or
hydrofluoric acid alkylation...
