Monday, September 16, 2013

Thorium-232

Thorium-232 is a naturally occurring and slightly radioactive metal apprisal by the Swedish chemist, Jons Jakob Berzilius in 1828. Thorium-232 is named after Thor, the Norse young buck ideal of war. Thorium-232 can be strand in itsy-bitsy amounts of just about rocks and terra firmas which can therefore be found in plants and animals as well, and it is three times more rife than uranium. Common soil contains about an average of six separate per million of atomic number 90. more or slight of Thorium-232 can be found in Earths crust and is considered a primordial radionuclide . Thorium bearing minerals result in anomalously high natural levels in all important(p) areas of Brazil, India, and China, depending on the concentration of Thorium-232. Although all atomic number 90 are natural, thorium isotopes such as, Thorium-232, can be artificially produced. Overall, artificial isotopes make out from the decay of other man-made radionuclides or absorption in nuc lear reactions. Thorium-232 is the top of a long decay series, which follows an important decay mode that contains key radionuclides such as radium-228 (its direct decay product) and radon-220. Thorium-232 has a half life of 14 one thousand thousand (1.4 x 1010 ) years, over three times the age of earth. The biological half-life of Thorium-232 in bones are 8,000 days and in colored and tissues, 700 days.
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As Thorium-232 decays, it emits alpha particles and several da Gamma rays, which instrument that the substantive is emitting radiation continuously. The radionuclides with short half-lives which emit detectabl e gamma rays involve Ac-228, Bi-212, and Pb! -212. Thorium-232 is also a fertile nuclide, which is able to affiance a neutron and undergo transmutation into a fissile nuclide (U-233) which is the nucleotide of the thorium sack cycle. The fuel source Thorium-232 provides fuel for stock breeder reactors, a type of reactor that generates new fuel as fuel is being consumed. In the form of Thorotrast (thorium dioxide suspsension), Thorium-232 was used as a contrast medium in early roentgen ray diagnostics and is no...If you want to get a full essay, arrange it on our website: OrderCustomPaper.com

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