Vanadium
23
V
50.9415 |
|
|
Symbol |
Name |
Atomic Number |
Atomic Weight |
Group Number |
|
V |
Vanadium |
23 |
50.9415 |
5 |
Description
Standard State: solid at 298 K
Color: Silvery gray metallic
Del Rio first discovered Vanadium in 1801. Unfortunately,
French chemists incorrectly declared del Rio's new element was
only impure chromium; del Rio thought himself to be mistaken
and accepted the French chemist's statement. The element
was rediscovered in 1830 by Sefstrom, who named the element in
honor of the Scandinavian goddess Vanadis because of
its beautiful multicolored compounds.
It was isolated in nearly pure form by Roscoe, in 1867, who
reduced the chloride with hydrogen. Vanadium of 99.3 to
99.8 purity was not produced until 1927. Vanadium is found
in about 65 different minerals among which are carontite,
roscoelite, vanadinite, and patronite.
Commercial production from petroleum ash holds promise as
an important source of the element.
Vanadium foil is used as a bonding agent in cladding titanium
to steel. Vanadium pentoxide is used in ceramics and as
a catalyst. Vanadium and its compounds are toxic and should
be handled with care. |