Discovery.This element was discovered in 1898 by Sir William Ramsay, and M.W. Travers discover a little liquid left in a container of liquid air. After the liquid evaporates the air out the other.Two scientists who discovered the new element, this element is named "Krypton", from the word meaning a kami green hide "The hidden one."UtilizationBecause the Kr is a very rare gas. It's no extensive utilization The main commercial interests include industrial lamp This gas is used in conjunction with the fluorescent tube to increase the Ar for brightness and efficiency of bulbs. Used in some types of flash photography because it can provide more lighting in the shortest time, and used in conjunction with nitrogen in some light bulbs, etc.
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