Caesium-137 - Wikipedia
Caesium-137 (137 55 Cs), cesium-137 (US), [7] 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 ...
Cesium-137 and its decay product, barium-137m, are used for sterilization activities for food products, including wheat, spices, flour, and potatoes. Cesium-137 is also used in a wide variety of industrial instruments such as level and thickness gauges and moisture density gauges.
Cesium-137 | Radiation Emergencies | CDC - Centers for Disease …
2024年4月17日 · Cesium-1137 (Cs-137) is produced by nuclear fissions for use in medical devices and gauges. It can cause burns, acute radiation sickness, and even death. Half-life: 30.17 years. Mode of decay: Beta and gamma radiation. Chemical properties: Liquid at room temperature, but readily bonds with chlorides to form a powder.
Radionuclide Basics: Cesium-137 | US EPA - U.S. Environmental ...
2024年2月5日 · Cesium-137 is produced by nuclear fission for use in medical devices and gauges and is one of the byproducts of nuclear fission in nuclear reactors and nuclear weapons testing. The most common radioactive form of cesium (chemical symbol Cs) is Cesium-137.
Cesium-137: A Deadly Hazard
Cesium-137 is an especially dangerous fission product because of its high yield during fission, moderate half-life, high-energy decay pathway, and chemical reactivity. Because of these properties, cesium-137 is a major contributor to the total …
Cesium-137 | Cs | CID 5486527 - PubChem
2009年7月4日 · Cesium-137 is a radioactive isotope of cesium with a half-life of 30.07 years. It is produced from the detonation of nuclear weapons and is produced in nuclear power plants. Cesium-137 was released to the atmosphere most notably from the 1986 Chernobyl meltdown.
Cesium-137 Half-Life, Isotope, Facts, Uses - Chemistry Learner
Cesium-137 Facts. Some of the important facts about this radioactive substance are as follows: It is only one of the three metals that are liquid at room temperature (83 °F). It is a soft, malleable metal with a silvery-white color; Half-life of Cesium-137 …
Radionuclide Basics: Cesium-137 | Radiation Protection - US EPA
2017年5月4日 · The most common radioactive form of cesium (chemical symbol Cs) is Cesium-137. Cesium-137 is produced by nuclear fission for use in medical devices and gauges and is one of the byproducts of nuclear fission in nuclear reactors and nuclear weapons testing.
Cesium-137 is an artificially produced fission by-product resulting from nuclear bombs, above-ground nuclear testing, nuclear reactor operations and nuclear accidents.
Isotopes of caesium - Wikipedia
Caesium (55 Cs) has 41 known isotopes, the atomic masses of these isotopes range from 112 to 152. Only one isotope, 133 Cs, is stable. The longest-lived radioisotopes are 135 Cs with a half-life of 1.33 million years, 137 Cs with a half-life of 30.1671 years and 134 Cs with a half-life of 2.0652 years. All other isotopes have half-lives less than 2 weeks, most under an hour.
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