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cesium-137 |
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cesium-137 [′sē·zē·əm ‚wən‚thərd·ē′sev·ən] (nuclear physics) An isotope of cesium with atomic mass number of 137; emits negative beta particles and has a half-life of 30 years; offers promise as an encapsulated radiation source for therapeutic and other purposes. Also known as radiocesium. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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nbsp;of iodine-137 and 1,300 curies of cesium-137 were released. The amount of radioactive cesium-137 taken up by trees is small, and the amount taken up by grass fertilized with ash from those trees would be even smaller, says geochemist Mark Fuhrmann of the Carcinogens including Strontium-90, recently found in the groundwater at the Indian Point reactors, and Cesium-137 are radioactive for 600 years. |
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