Difference between revisions of "Plutonium"
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Plutonium is one of the most toxic substances. So far it was released with the atomic bomb on Nagasaki and by several nuclear accidents like Mayak and Chernobyl. The above-ground nuclear weapons tests spread 4 t of plutonium worldwide. After a release particle of it can be incorporated with dust, water and food.<ref name="ippnw-factsheet" /> | Plutonium is one of the most toxic substances. So far it was released with the atomic bomb on Nagasaki and by several nuclear accidents like Mayak and Chernobyl. The above-ground nuclear weapons tests spread 4 t of plutonium worldwide. After a release particle of it can be incorporated with dust, water and food.<ref name="ippnw-factsheet" /> | ||
− | It accumulates in bone marrow and liver. Inhalation leads to lung cancer. The incorporation of as less as a few thousandth gram | + | It accumulates in bone marrow and liver. Inhalation leads to lung cancer. The incorporation of as less as a few thousandth gram causes lethal radiation injuries.<ref name="ippnw-factsheet" /> |
Plutonium also is highly toxic as a heavy metal, and particularly harmful for the kidneys.<ref name="ippnw-factsheet" /> | Plutonium also is highly toxic as a heavy metal, and particularly harmful for the kidneys.<ref name="ippnw-factsheet" /> |
Latest revision as of 16:32, 17 May 2017
Plutonium (symbol: Pu) is a transuranic chemical element with the atomic number 94[1]. All isotopes are alpha emitters. In nature Plutonium usually can't be found - or only in traces.[2]
Plutonium is one of the most toxic substances. So far it was released with the atomic bomb on Nagasaki and by several nuclear accidents like Mayak and Chernobyl. The above-ground nuclear weapons tests spread 4 t of plutonium worldwide. After a release particle of it can be incorporated with dust, water and food.[2]
It accumulates in bone marrow and liver. Inhalation leads to lung cancer. The incorporation of as less as a few thousandth gram causes lethal radiation injuries.[2]
Plutonium also is highly toxic as a heavy metal, and particularly harmful for the kidneys.[2]
Plutonium-238
It has a half-life of 87.7 years.[2]
Plutonium-239
It has a half-life of 24,110 years, while the biological half-life is 100 years in bones and 40 years in liver. Many people living close to nuclear weapons factories had been contaminated by plutonium-239.[2]
Plutonium-240
It has a half-life of 6,564 years.[2]