Sutton, G.A., Napier, S.T., John, M. and Taylor, A. (1993) Uranium-238 decay chain data. Science of the Total Environment 130-131(0), 393-401.Sutton, G. A. et al. Uranium-238 Decay chain data. The science of total environment, v. 130-131, p. 393-401, 1993....
Uranium Compound In subject area: Earth and Planetary Sciences Inhaled uranium compounds are adsorbed in the respiratory tract via transfer across cell membranes. From: Treatise on Geochemistry (Second Edition), 2014 About this pageAdd to MendeleySet alert On this page On this page...
Uranium-238 is an α emitter, decaying through the 18-member uranium natural decay series into lead-206.[10] The decay series of uranium-235 (also called actino-uranium) has 15 members that ends in lead-207.[10] The constant rates of decay in these series makes comparison of the ratios ...
Uranium-233 undergoes alpha decay with a half-life of 160,000 years and, like 235U, is fissile.[10] It can be bred from thorium-232 via neutron bombardment, usually in a nuclear reactor; this process is known as the thorium fuel cycle. Owing to the fissility of 233U and the greater ...
Uranium-238 is the parent and uranium-234 one of the daughters in the radioactive uranium decay series; uranium-235 is the parent of the actinium decay series. See also actinoid element. The element uranium became the subject of intense study and broad interest after German chemists Otto Hahn...
(U-233) that is not foundin nature can be artificially produced by bombarding thorium-232 with neutrons to producethorium-233, which has a half-life of 22 minutes and decays into protactinium-233 with ahalf-life of 27 days. Pa-233 then, through beta decay, transmutes into uranium-233. ...
Interestingly though, natural thorium occurs as almost pure 232Th, the most stable thorium isotope, which has a half-life comparable to the age of the universe (14 billion years), and whose radioactive decay is the largest contributor to the Earth’s internal heat. Right now it’s estimated...
Another form of uranium (U-233) that is not foundin nature can be artificially produced by bombarding thorium-232 with neutrons to producethorium-233, which has a half-life of 22 minutes and decays into protactinium-233 with ahalf-life of 27 days. Pa-233 then, through beta decay, ...
Like mining, milling ofuraniumore entails respiratory exposures to dusts and heavy metals, as well as radioactive decay products from uranium ore. Here again, numerous studies of uranium millers have been conducted over the past several decades, and similar conclusions pertain to risks experienced by...
(Gschneidner, 1994;Skwarzec, 1997). The isotopes234U and238U occur in the natural radioactive decay chain and238U is the parent nuclide of the uranium-radium series, while235U starts the other natural decay chain, namely uranium-actinium series (Gschneidner, 1994). Uranium isotopes are ...