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Vanadium - Lake Van (Paperback) Loot Price: R261
Discovery Miles 2 610
Vanadium - Lake Van (Paperback): Books Llc

Vanadium - Lake Van (Paperback)

Books Llc; Created by Books Llc

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Loot Price R261 Discovery Miles 2 610

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Chapters: Lake Van. Source: Wikipedia. Pages: 42. Not illustrated. Free updates online. Purchase includes a free trial membership in the publisher's book club where you can select from more than a million books without charge. Excerpt: Vanadium is the chemical element with the symbol V and atomic number 23. It is a soft, silvery gray, ductile transition metal. The formation of an oxide layer stabilizes the metal against oxidation. Andres Manuel del Rio discovered vanadium in 1801 by analyzing the mineral vanadinite, and named it erythronium. Four years later, however, he was convinced by other scientists that erythronium was identical to chromium. The element was rediscovered in 1831 by Nils Gabriel Sefstrom, who named it vanadium after the Scandinavian goddess of beauty and fertility, Vanadis (Freya). Both names were attributed to the wide range of colors found in vanadium compounds. The element occurs naturally in about 65 different minerals and in fossil fuel deposits. It is produced in China and Russia from steel smelter slag; other countries produce it either from the flue dust of heavy oil, or as a byproduct of uranium mining. It is mainly used to produce specialty steel alloys such as high speed tool steels. The compound vanadium pentoxide is used as a catalyst for the production of sulfuric acid. Vanadium is found in many organisms, and is used by some life forms as an active center of enzymes. Vanadium was originally discovered by Andres Manuel del Rio, a Spanish-born Mexican mineralogist, in 1801. Del Rio extracted the element from a sample of Mexican "brown lead" ore, later named vanadinite. He found that its salts exhibit a wide variety of colors, and as a result he named the element panchromium (Greek: "all colors"). Later, Del Rio renamed the element erythronium (Greek: "red") as most of its salts turned red upon heating. In 1805, the French chemist Hippolyte Victor Collet-Descotils, backed by del Rio's friend, ...More: http: //booksllc.net/?id=3243

General

Imprint: Books + Company
Country of origin: United States
Release date: September 2010
First published: September 2010
Editors: Books Llc
Creators: Books Llc
Dimensions: 152 x 229 x 3mm (L x W x T)
Format: Paperback - Trade
Pages: 44
ISBN-13: 978-1-156-67255-6
Categories: Books
LSN: 1-156-67255-4
Barcode: 9781156672556

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