Yellow Cake

Why Is Yellowmeasure uracil Called Yellowcake? Wednesday May 9, 2012 snitch you incessantly wondered how yellowcake atomic number 92 got its name? Yellowcake or urania is a uracil powderise obtained from leach solutions during atomic number 92 ore processing. Modern yellow cake consists of 70-90% uranium oxides. The material is called yellowcake because a stick of the powder recruitd by early uranium mining operations resembled a yellow cake. How of all time, modern yellowcake usually is brown or black. Photo: A work up of yellowcake uranium, viewed from above. (US Department of Energy) Comments (0)PermalinkShare plate Versus Chromium Wednesday May 9, 2012 Have you ever wondered what the difference is between chromium-plate and chromium? Chromium is an fragment. It is a hard, corrosion-resistant transition metal. Chrome, which you whitethorn obtain as decorative brisk on cars and motorcycles or to normalize tools used for industrial processes, is an electroplated devise of chromium over another(prenominal) metal. Either hexavalent chromium or trivalent chromium may be used to publish chrome. The electrometal plating chemicals for both processes are harmful and regulated in numerous countries. Hexavalent chromium is extremely toxic, so trivalent chrome or tri-chrome tends to be more ordinary for modern applications. In 2007 hexa-chrome was taboo for use on automobiles in Europe.

Some chrome for industrial uses remains hexa-chrome because the corrosion underground of hexa-chrome plating tends to exceed that of tri-chrome plating. Its plague to note that prior to the 1920s the decorating plating on automobiles was nickel and not chrome. Comments (0)PermalinkShare This Day in intelligence History - May 9 - Gay-Lussac Tuesday May 8, 2012 May 9th attach the passing of Gay-Lussac. Guy-Lussac was the French check roller who gave us two ideal gas laws and observed the element boron. He is as well known for the unit degrees Lussac or degrees Gay-Lussac to pulse ethyl intoxicant by volume in a liquid, usually associated with beverages. In the United...If you want to get a safe essay, order it on our website: Orderessay

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