Monday, November 27, 2017

Vanadium Site

Vanadium Site


Vanadium
Chemical element
Vanadium is a chemical element with symbol V and atomic number 23. It is a hard, silvery grey, ductile, and malleable transition metal. Wikipedia
Symbol: V
Electron configuration: [Ar] 3d34s2
Atomic number: 23
Atomic mass: 50.9415 u ± 0.0001 u
Discovered: 1801
Melting point: 3,470°F (1,910°C)

Vanadium was discovered twice. The first time was in 1801 by Andrés Manuel del Rio who was Professor of Mineralogy in Mexico City. He found it in a specimen of vanadite, Pb5(VO4)3Cl and sent a sample to Paris. However, French chemists concluded that it was a chromium mineral.

The second time vanadium was discovered was in 1831 by the Swedish chemist Nil Gabriel Selfström at Stockholm. He separated it from a sample of cast iron made from ore that had been mined at Småland. He was able to show that it was a new element, and in so doing he beat a rival chemist, Friedrich Wöhler, to the discovery He was also working another vanadium mineral from Zimapan.

Pure vanadium was produced by Henry Roscoe at Manchester, in 1869, and he showed that previous samples of the metal were really vanadium nitride (VN).

Vanadium
 Vanadium Element - Visual Elements Periodic Table
Discovery date 1801
Discovered by Andrés Manuel del Rio
Origin of the name The element is named after 'Vanadis', the old Norse name for the Scandinavian goddess Freyja.
Allotropes

V
Vanadium
  23 50.942
 Fact box
Group 5 Melting point 1910°C, 3470°F, 2183 K
Period 4 Boiling point 3407°C, 6165°F, 3680 K
Block d Density (g cm−3) 6.0
Atomic number 23 Relative atomic mass 50.942
State at 20°C Solid Key isotopes 51V
Electron configuration [Ar] 3d34s2 CAS number 7440-62-2
ChemSpider ID 22426 ChemSpider is a free chemical structure database


VANADIUM OVERVIEW INFORMATION
Vanadium is a mineral. It was named for the Norse goddess of beauty, Vanadis, because of its beautiful colors. Vanadium supplements are used as medicine.

Vanadium is used for treating diabetes, low blood sugar, high cholesterol, heart disease, tuberculosis, syphilis, a form of “tired blood” (anemia), and water retention (edema); for improving athletic performance in weight training; and for preventing cancer.

How does it work?
There is some evidence that vanadium might act like insulin, or help to increase the effects of insulin.

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CYPRESS

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