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- Uranium-232 abstract "Uranium-232 (23292U140, 232U, U-232) is an isotope of uranium. It has a half-life of 68.9 years and is a side product in the thorium cycle. It has been cited as an obstacle to nuclear proliferation using 233U as the fissile material, because the intense gamma radiation of 232U's decay products makes the 233U contaminated with it more difficult to handle.Production of 233U (through the neutron irradiation of 232Th) invariably produces small amounts of 232U as an impurity, because of parasitic (n,2n) reactions on uranium-233 itself, or on protactinium-233:232Th (n,γ) 233Th (β−) 233Pa (β−) 233U (n,2n) 232U232Th (n,γ) 233Th (β−) 233Pa (n,2n) 232Pa (β−) 232UThe decay chain of 232U quickly yields strong gamma radiation emitters:232U (α, 68.9 years)228Th (α, 1.9 year)224Ra (α, 3.6 day, 0.24 MeV) (at this point, the decay chain is identical to that of 232Th)220Rn (α, 55 s, 0.54 MeV)216Po (α, 0.15 s)212Pb (β−, 10.64 h)212Bi (α, 61 m, 0.78 MeV)208Tl (β−, 3 m, 2.6 MeV) (35.94% branching ratio)208Pb (stable)This makes manual handling in a glove box with only light shielding (as commonly done with plutonium) too hazardous, (except possibly in a short period immediately following chemical separation of the uranium from thorium-228, radium-224, radon-220, and polonium) and instead requiring remote manipulation for fuel fabrication.Unusually for an isotope with even mass number, 232U has a significant neutron absorption cross section for fission (thermal neutrons 7001750000000000000♠75 barns (b), resonance integral 7002380000000000000♠380 b) as well as for neutron capture (thermal 7001730000000000000♠73 b, resonance integral 7002280000000000000♠280 b).".
- Uranium-232 wikiPageID "5611195".
- Uranium-232 wikiPageLength "4342".
- Uranium-232 wikiPageOutDegree "30".
- Uranium-232 wikiPageRevisionID "688484497".
- Uranium-232 wikiPageWikiLink Alpha_decay.
- Uranium-232 wikiPageWikiLink Barn_(unit).
- Uranium-232 wikiPageWikiLink Beta_decay.
- Uranium-232 wikiPageWikiLink Category:Actinides.
- Uranium-232 wikiPageWikiLink Category:Isotopes_of_uranium.
- Uranium-232 wikiPageWikiLink Category:Nuclear_materials.
- Uranium-232 wikiPageWikiLink Decay_chain.
- Uranium-232 wikiPageWikiLink Decay_product.
- Uranium-232 wikiPageWikiLink Fissile_material.
- Uranium-232 wikiPageWikiLink Gamma_ray.
- Uranium-232 wikiPageWikiLink Isotopes_of_neptunium.
- Uranium-232 wikiPageWikiLink Isotopes_of_plutonium.
- Uranium-232 wikiPageWikiLink Isotopes_of_protactinium.
- Uranium-232 wikiPageWikiLink Isotopes_of_thorium.
- Uranium-232 wikiPageWikiLink Isotopes_of_uranium.
- Uranium-232 wikiPageWikiLink Mass_number.
- Uranium-232 wikiPageWikiLink Neutron_capture.
- Uranium-232 wikiPageWikiLink Neutron_cross_section.
- Uranium-232 wikiPageWikiLink Neutron_temperature.
- Uranium-232 wikiPageWikiLink Nuclear_fission.
- Uranium-232 wikiPageWikiLink Nuclear_proliferation.
- Uranium-232 wikiPageWikiLink Positron_emission.
- Uranium-232 wikiPageWikiLink Thorium_fuel_cycle.
- Uranium-232 wikiPageWikiLink Uranium-233.
- Uranium-232 wikiPageWikiLink Uranium-238.
- Uranium-232 wikiPageWikiLinkText "U-232".
- Uranium-232 wikiPageWikiLinkText "Uranium-232".
- Uranium-232 wikiPageWikiLinkText "uranium-232".
- Uranium-232 after Isotopes_of_thorium.
- Uranium-232 alternateNames "U-232".
- Uranium-232 background "#7F7".
- Uranium-232 before Isotopes_of_plutonium.
- Uranium-232 before "neptunium-232".
- Uranium-232 before "protactinium-232".
- Uranium-232 decayMass "228".
- Uranium-232 decayProduct "Thorium-228".
- Uranium-232 decaySymbol "Th".
- Uranium-232 element "uranium".
- Uranium-232 halflife "2.17431864E9".
- Uranium-232 heavier Uranium-233.
- Uranium-232 imageCaption "image caption".
- Uranium-232 lighter Isotopes_of_uranium.
- Uranium-232 massNumber "232".
- Uranium-232 numNeutrons "140".
- Uranium-232 numProtons "92".
- Uranium-232 parent "Neptunium-232".
- Uranium-232 parent "Plutonium-236".
- Uranium-232 parent "Protactinium-232".
- Uranium-232 parent2Decay "b+".
- Uranium-232 parent2Mass "232".
- Uranium-232 parent2Symbol "Np".
- Uranium-232 parent3Decay "b-".
- Uranium-232 parent3Mass "232".
- Uranium-232 parent3Symbol "Pa".
- Uranium-232 parentDecay "a".
- Uranium-232 parentMass "236".
- Uranium-232 parentSymbol "Pu".
- Uranium-232 symbol "U".
- Uranium-232 wikiPageUsesTemplate Template:ComplexNuclide.
- Uranium-232 wikiPageUsesTemplate Template:Infobox_isotope.
- Uranium-232 wikiPageUsesTemplate Template:Isotope.
- Uranium-232 wikiPageUsesTemplate Template:Refimprove.
- Uranium-232 wikiPageUsesTemplate Template:Reflist.
- Uranium-232 wikiPageUsesTemplate Template:SimpleNuclide.
- Uranium-232 wikiPageUsesTemplate Template:Val.
- Uranium-232 subject Category:Actinides.
- Uranium-232 subject Category:Isotopes_of_uranium.
- Uranium-232 subject Category:Nuclear_materials.
- Uranium-232 hypernym Isotope.
- Uranium-232 type Drug.
- Uranium-232 comment "Uranium-232 (23292U140, 232U, U-232) is an isotope of uranium. It has a half-life of 68.9 years and is a side product in the thorium cycle.".
- Uranium-232 label "Uranium-232".
- Uranium-232 sameAs Q2077677.
- Uranium-232 sameAs Uranium_232.
- Uranium-232 sameAs Urânio-232.
- Uranium-232 sameAs m.01184214.
- Uranium-232 sameAs Уран-232.
- Uranium-232 sameAs Уран-232.
- Uranium-232 sameAs Q2077677.
- Uranium-232 wasDerivedFrom Uranium-232?oldid=688484497.
- Uranium-232 isPrimaryTopicOf Uranium-232.