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Joseph William Kennedy (May 30, 1916 – May 5, 1957) was an American chemist who co-discovered plutonium, along with Glenn T. Seaborg, Edwin McMillan, and Arthur Wahl. During World War II , he led the CM (Chemistry and Metallurgy) Division at the Manhattan Project 's Los Alamos Laboratory , where he oversaw research onto the chemistry and ...
[5] He also discovered more than 100 isotopes of transuranium elements and is credited with important contributions to the chemistry of plutonium, originally as part of the Manhattan Project where he developed the extraction process used to isolate the plutonium fuel for the implosion-type atomic bomb.
As long as a person is alive, the simplest way to detect plutonium would be to analyze a person's excretion through urine and feces. Unfortunately, this method has its limits in that only a small fraction of Pu is excreted, for example 0.01% of the body burden per day is typical, 2 to 3 weeks after exposure. [2]
Plutonium–gallium–cobalt alloy (PuCoGa 5) is an unconventional superconductor, showing superconductivity below 18.5 K, an order of magnitude higher than the highest between heavy fermion systems, and has large critical current. [46] [50] Plutonium–zirconium alloy can be used as nuclear fuel. [51]
Arthur Charles Wahl (September 8, 1917 – March 6, 2006) [2] was an American chemist who, as a doctoral student of Glenn T. Seaborg at the University of California, Berkeley, first isolated plutonium (94) in February 1941 [3] [4] shortly after the element neptunium (93) was discovered by McMillan and Abelson in 1940.
Donald Francis Mastick (September 1, 1920 – September 8, 2007) was an American chemist who worked at the Manhattan Project's Los Alamos Laboratory.As part of Project Alberta, he was part of the planning and preparation for the atomic bombing of Hiroshima and Nagasaki, for which he was awarded the Bronze Star Medal.
The environmental management field office pointed to a 2018 DOE study that estimated the radiation dose to a person who might recreate in the canyon is less than 0.1 millirem per year.
Working with the reactor there, they developed the separation processes for producing kilogram quantities of plutonium. The techniques discovered by the team proved to be the groundwork for those used at the Hanford Site which provided the plutonium for the Fat Man bomb dropped on Nagasaki on August 9, 1945.