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...

ran on highly enriched uranium (HEU) fuel at 93% U-235, provided by the US, and was later converted in 1993 to use 20% enriched uranium with Argentine...

refrain from Uranium enrichment, it was discovered in 2023 that the facility was modified to continue the enrichment process, and uranium enriched to 83.7%...

Natanz. In December 2011, enrichment started. In January 2012, the IAEA announced that Iran had started producing uranium enriched up to 20% for medical purposes...

low enriched uranium. In August 2010, the IAEA said Iran had started using a second set of 164 centrifuges linked in a cascade to enrich uranium to up...

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...

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...

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

(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...

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...

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...

uranium enrichment activities, reaching levels of up to 60% purity. IAEA reported that Iran possesses approximately 250 kilograms of uranium enriched...

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...

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

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

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

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

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

It is a step in the processing of uranium after it has been mined but before fuel fabrication or uranium enrichment. Yellowcake concentrates are prepared...

separating natural uranium into enriched uranium and depleted uranium is the largest application. In the following text, mainly uranium enrichment is considered...

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

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

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...

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...

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...

cascade to enrich uranium "up to 19.8%", to match the previously foreign supplied fuel. 20% is the upper threshold for low enriched uranium (LEU). Though...

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...

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

agreed in 2012 to downgrade the high enriched uranium used on its nuclear power plants to low enriched uranium. This process was carried out with the...

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