Cesium-137
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Cesium-137 Definition
A radioactive isotope of cesium with an atomic mass of 139 and potential application in radiotherapy. Cesium Cs 137 is prevalent due to its spontaneous production, which occurs as a result of nuclear fission of other radioactive materials, such as uranium and plutonium. This radionuclide has a relatively long half-life, 30 years, and decays by emitting beta particles. Both Cs 137 and its metastable nuclear isomer, barium-137m, emit gamma radiation of moderate energy and so are used in sterilization procedures in the food industry or in hospital environments.
Cesium-137 Synonyms
Cesium Cs 137, Cesium, Isotope of Mass 137, Cesium-137, Cs-137
Terms in Cesium-137 category
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