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Vanadium   Listen
noun
Vanadium  n.  (Chem.) A rare element of the nitrogen-phosphorus group, found combined, in vanadates, in certain minerals, and reduced as an infusible, grayish-white metallic powder. It is intermediate between the metals and the non-metals, having both basic and acid properties. Symbol V (or Vd, rarely). Atomic weight 50.94 (C12=12.000).





Collaborative International Dictionary of English 0.48


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"Vanadium" Quotes from Famous Books



... The oxidation of aniline has been carefully investigated. In alkaline solution azobenzene results, while arsenic acid produces the violet-colouring matter violaniline. Chromic acid converts it into quinone, while chlorates, in the presence of certain metallic salts (especially of vanadium), give aniline black. Hydrochloric acid and potassium chlorate give chloranil. Potassium permanganate in neutral solution oxidizes it to nitrobenzene, in alkaline solution to azobenzene, ammonia and oxalic acid, in acid solution to aniline black. Hypochlorous acid ...
— Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1 • Various


Words linked to "Vanadium" :   vanadinite, metal, vanadium pentoxide, vanadium steel, carnotite, atomic number 23, v


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