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  2. Weapons-grade nuclear material - Wikipedia

    en.wikipedia.org/wiki/Weapons-grade_nuclear_material

    To reduce the concentration of Pu-240 in the plutonium produced, weapons program plutonium production reactors (e.g. B Reactor) irradiate the uranium for a far shorter time than is normal for a nuclear power reactor. More precisely, weapons-grade plutonium is obtained from uranium irradiated to a low burnup.

  3. Zippe-type centrifuge - Wikipedia

    en.wikipedia.org/wiki/Zippe-type_centrifuge

    To calculate the total enrichment in a countercurrent centrifuge of height H, one has to add a factor of H/(R√2) in the exponent. According to Glaser, [ 3 ] early centrifuges had rotor diameters of 7.4 to 15 cm and lengths of 0.3 to 3.2 m, and the peripheral speed was 350 to 500 m/s.

  4. Separation of isotopes by laser excitation - Wikipedia

    en.wikipedia.org/wiki/Separation_of_isotopes_by...

    Infrared absorption spectra of the two UF 6 isotopes at 300 and 80 K. Schematic of a stage of an isotope separation plant for uranium enrichment with laser. An infrared laser with a wavelength of approx. 16 μm radiates at a high repetition rate onto a UF6 carrier gas mixture, which flows supersonically out of a laval nozzle.

  5. Nuclear reprocessing - Wikipedia

    en.wikipedia.org/wiki/Nuclear_reprocessing

    The plutonium was again re-precipitated using a bismuth phosphate carrier and a combination of lanthanum salts and fluoride added, forming a solid lanthanum fluoride carrier for the plutonium. Addition of an alkali produced an oxide. The combined lanthanum plutonium oxide was collected and extracted with nitric acid to form plutonium nitrate. [30]

  6. PUREX - Wikipedia

    en.wikipedia.org/wiki/PUREX

    PUREX (plutonium uranium reduction extraction) is a chemical method used to purify fuel for nuclear reactors or nuclear weapons. [7] PUREX is the de facto standard aqueous nuclear reprocessing method for the recovery of uranium and plutonium from used nuclear fuel ( spent nuclear fuel , or irradiated nuclear fuel).

  7. When telling the history of plutonium, tell the full story ...

    www.aol.com/news/telling-history-plutonium-tell...

    Letters to the editor on the history of plutonium, Project 2025, ageism on the Benton Commission, Trump, syphilis, drug laws and Hanford. | Opinion

  8. COLEX process - Wikipedia

    en.wikipedia.org/wiki/COLEX_process

    Russian enrichment capacities focus on lithium-7 production by electrolysis of an aqueous lithium chloride solution using a mercury cathode, which is thus different from the COLEX process. [ 9 ] Although US nuclear industry relies heavily on Chinese and Russian enriched lithium, ecological concerns over the process may impede its future ...

  9. David Hahn - Wikipedia

    en.wikipedia.org/wiki/David_Hahn

    Hahn was born on October 30, 1976, in Royal Oak, Michigan. [2] [1] His father, Ken Hahn, was a mechanical engineer.His mother, Patty Hahn, suffered from alcoholism and was diagnosed with depression and schizophrenia and sent to a mental hospital when David was four.

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