Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235U) has been increased through the process of isotope...

research sites, two uranium mines, a research reactor, and uranium processing facilities that include three known uranium enrichment plants. Commencing...

city. It was a gun-type fission weapon which used uranium that had been enriched in the isotope uranium-235 to power its explosive reaction. Little Boy...

natural uranium, but light water reactors must use low enriched uranium because of the higher neutron absorption of light water. Uranium enrichment removes...

The Prohibiting Russian Uranium Imports Act (H.R. 1042) is a U.S. law enacted on May 13, 2024, banning low-enriched uranium imports from Russia. Approved...

enriching is downblending. Surplus highly enriched uranium can be downblended with depleted uranium or natural uranium to turn it into low-enriched uranium...

natural uranium are uranium-238 (which has 146 neutrons and accounts for over 99% of uranium on Earth) and uranium-235 (which has 143 neutrons). Uranium has...

emission. Enriched uranium contains more 234U than natural uranium as a byproduct of the uranium enrichment process aimed at obtaining uranium-235, which...

uranium enriched to 89% was delivered to Los Alamos by July 1945. The entire 50 kg, along with some 50%-enriched, averaging out to about 85% enriched...

(medium-enriched uranium). Stocks in excess of 300 kg enriched up to 3.67% would be diluted to 0.7% or sold in return for uranium ore, while uranium enriched...

more enriched uranium from a given amount of natural uranium, by re-enriching tails ultimately leaving a depleted uranium tail of lower enrichment. This...

use uranium enriched to 3–5% U-235, the only fissile isotope that is found in significant quantity in nature. One alternative to this low-enriched uranium...

Fordow Fuel Enrichment Plant (FFEP) is an Iranian underground uranium enrichment facility located 20 miles (32 km) northeast of the Iranian city of Qom...

uranium. Purified uranium can also be enriched into the isotope U-235. In this process, the uranium oxides are combined with fluorine to form uranium...

converted and enriched in France, or already enriched. For example, Kazakh uranium is converted and enriched in Russia, while uranium from Niger is converted...

use enriched uranium. Nuclear weapons take a concentration of 90% uranium-235, and light water reactors require a concentration of roughly 3% uranium-235...

converted by heating with hydrogen to form UO2. It can be made from enriched uranium hexafluoride by reacting with ammonia to form a solid called ammonium...

COVID-19 pandemic. NTI supported the development of an international low-enriched uranium bank to help prevent the proliferation of nuclear technology. NTI advisor...

their fuel requires more highly enriched uranium, typically up to 20% U-235, although some use 93% U-235; while 20% enrichment is not generally considered...

codename given by the Manhattan Project to the program to produce enriched uranium for atomic bombs using the gaseous diffusion method. Originally the...

could be completed. Because the light water reactors would require enriched uranium to be imported from outside North Korea, the amount of reactor fuel...

of Piketon, Ohio, that previously produced enriched uranium, including highly enriched weapons-grade uranium, for the United States Atomic Energy Commission...

of low enriched uranium (LEU) for countries that need a backup source of LEU to fuel their nuclear reactors. Countries that do have enrichment technology...

to 234U. Enriched uranium contains more 234U than natural uranium as a byproduct of the uranium enrichment process aimed at obtaining uranium-235, which...

is used in enriching uranium for nuclear reactors and nuclear weapons. Uranium dioxide is converted with hydrofluoric acid (HF) to uranium tetrafluoride:...

initially conducting studies on uranium metallurgy.: 87  Uranium enrichment is an extremely difficult process because uranium in its natural state is composed...

Pennsylvania was investigated for losing 200–600 pounds (91–272 kg) of highly enriched uranium, with suspicions that it had gone to Israel's nuclear weapons program...

nuclear program, making the Soviet Union the most effective supplier of enriched uranium. Franz Simon, Rudolf Peierls, Klaus Fuchs and Nicholas Kurti made important...

produce enriched uranium by forcing gaseous uranium hexafluoride (UF6) through microporous membranes. This produces a slight separation (enrichment factor...

found in Low-Enriched Uranium that is used in existing light-water reactors. The Energy Policy Act of 1992 created the United States Enrichment Corporation...