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Environmental
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plutonium
Definition

A highly toxic metallic transuranic element. It occurs in trace amounts in uranium ores and is produced in a nuclear reactor by neutron bombardment of uranium-238. The most stable and important isotope, plutonium-239, readily undergoes fission and is used as a reactor fuel in nuclear power stations and in nuclear weapons.

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Scope note

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Concept URL: http://www.eionet.europa.eu/gemet/concept/6346