WebCaesium-137 (137 55 Cs), cesium-137 (US), or radiocaesium, is a radioactive isotope of caesium that is formed as one of the more common fission products by the nuclear fission of uranium-235 and other fissionable isotopes in nuclear reactors and nuclear weapons.Trace quantities also originate from spontaneous fission of uranium-238.It is among the most … WebJan 5, 2024 · Lithium was first discovered in 1817 when Johan August Arfwedson, a Swedish chemist, was analyzing mineral ore. Cesium and rubidium were discovered in 1860 and 1861, respectively, by German chemists Robert Bunsen (who lent his name to the Bunsen burner) and Gustav Kirchhoff (who devised Kirchhoff's laws for electrical …
Caesium - Element information, properties and uses
WebMar 25, 2024 · The latest market analysis by Technavio predicts the cesium market will grow by 1.66 thousand MT between 2024 and 2014, driven by everything from catalyst … WebCesium instinctively ignites in the air which describes that it is pyrophoric in nature. It is one of the supreme alkalines of all the elements and oxidizes explosively with water to give rise to caesium hydroxide (CsOH), which is … informetrics 翻译
Cesium Element Facts - chemicool.com
WebBackground Information. Cesium was discovered in 1860 by Robert Bunsen and Gustav Kirchoff. It is used in the most accurate atomic clocks. Cesium melts at 28.41 °C (just below body temperature) and occurs in Earth's crust at 2.6 ppm. Cesium is the rarest of the naturally occurring alkali metals as the isotope 133 Cs. WebMargaret Melhase Fuchs (13. srpna 1919 Berkeley – 8. srpna 2006 Menlo Park) byla americká chemička a spolu s Glennem Seaborgem spoluobjevitelka izotopu cesia-137. Po ukončení studií pracoval pro Philadelphia Quartz Company v Kalifornii a také na Projektu Manhattan, tajném výzkumu atomové bomby za druhé světové války.. Jaderné štěpení … WebJan 20, 2024 · Cesium: A Brief History. Cesium was discovered in 1860 by two German scientists, Gustav Kirchhoff and Robert Bunsen. It was the first element to be discovered via spectroscopic analysis, which ... informe tsc