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Isotopes of yttriumNatural yttrium (Y) is composed of only one isotope (Y-89). The most stable radioisotopes are Y-88 which has a half life of 106.65 days and Y-91 with a half life of 58.51 days. All the other isotopes have half lives of less than a day except Y-87 which has a half life of 79.8 hours. The dominant decay mode below the stable Y-89 is electron capture and the dominant mode after it is beta emission. Twenty six unstable isotopes have been characterized. Additional recommended knowledgeY-90 exists in equilibrium with its parent isotope strontium-90, which is a product of nuclear explosions.
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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Isotopes_of_yttrium". A list of authors is available in Wikipedia. |