Assertion: uranium | /r/HasProperty | 3 o
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Source sentences:
text: Worldwide production of U 3 O 8 (yellowcake) in 2013 amounted to 70,015 tonnes, of which 22,451 t (32%) was mined in Kazakhstan.
text: The resulting mixture, called yellowcake, contains at least 75% uranium oxides U 3 O 8 .
text: The end product of the mining and milling stages, or of ISL, is uranium oxide concentrate (U 3 O 8 ).
text: Some important uranium minerals are pitchblende (impure U 3 O 8 ), uraninite (UO 2 ), carnotite (a potassium uranium vanadate), autunite (a calcium uranium phosphate), and torbernite (a copper uranium phosphate).
text: Uranium mined from the earth is stored, handled, and sold as uranium oxide concentrate (U 3 O 8 ).
text: The highest grade uranium deposits are found in the Athabasca Basin in Canada, including the two largest high grade uranium deposits in the world, Cigar Lake with 217 million pounds (99,000 t) U 3 O 8 at an average grade of 18% and McArthur River with 324 million pounds (147,000 t) U 3 O 8 at an average grade of 17%.
text: The highest grade uranium deposits are found in the Athabasca Basin in Canada, including the two largest high grade uranium deposits in the world, Cigar Lake with 217 million pounds (99,000 t) U 3 O 8 at an average grade of 18% and McArthur River with 324 million pounds (147,000 t) U 3 O 8 at an average grade of 17%.
text: The Rollfront subtype deposits typically represent the largest of the sandstone-hosted uranium deposits and one of the largest uranium deposit types with an average of 21 million lb (9,500 t) U 3 O 8 .
text: Resources within individual pipes can range up to 2500 tonnes U 3 O 8 at an average grade of between 0.3 and 1.0% U 3 O 8 .
text: —U 3 O 8 or
text: 2 U 3 O 8 (s) +
text: The vapor pressure of monomeric UO 3 in equilibrium with air and solid U 3 O 8 at ambient pressure, about 10−5 mbar (1 mPa) at 980 °C, rising to 0.1 mbar (10 Pa) at 1400 °C, 0.34 mbar (34 Pa) at 2100 °C, 1.9 mbar (193 Pa) at 2300 °C, and 8.1 mbar (809 Pa) at 2500 °C.
text: This experiment has also been done for U 3 O 8 .
text: The milling process commonly yields dry powder-form material consisting of natural uranium, "yellowcake," which is sold on the uranium market as U 3 O 8 .
text: Since there is little demand for uranium metal, uranium is usually sold in the form of sodium diuranate (Na 2 U 2 O 7 ·6H 2 O), also known as yellow cake, or triuranium octoxide (U 3 O 8 ).
text: Normally these costs are expressed relative to a unit of output (for example, US dollars per pound of U 3 O 8 , $ per kgU).
text: UF 4 is generally an intermediate in the conversion of uranium hexafluoride (UF 6 ) to either uranium oxides (U 3 O 8 or UO 2 ) or uranium metal.
text: The mine produced 907 tonnes of yellowcake (uranium oxide concentrate, U 3 O 8 ) in 2006, making it the leading uranium producer in the United States.
text: About 122,000 pounds (55 metric tons) of uranium oxide (U 3 O 8 ) were shipped at irregular intervals from six gold mines in the Central City district from 1872 to about 1916.
text: Exploration in the 1970s by Cyprus Mines and Wyoming Minerals defined two orebodies: the Hansen orebody, estimated to contain 12 million pounds of U 3 O 8 , and the Picnic Tree orebody, estimated to contain 1 million pounds U 3 O 8 .
text: At the mill of a conventional mine, or the treatment plant of an ISL operation, the uranium then separated by ion exchange before being dried and packed, usually as U 3 O 8 .
text: Uranium ores in the United States typically range from about 0.05 to 0.3% uranium oxide (U 3 O 8 ).
text: The milling process commonly yields dry powder-form material consisting of natural uranium, "yellowcake", which is sold on the uranium market as U 3 O 8 .
text: Usually milled uranium oxide, U 3 O 8 (triuranium octoxide) is then processed into either of two substances depending on the intended use.
text: For use in most reactors, U 3 O 8 is usually converted to uranium hexafluoride (UF 6 ), the input stock for most commercial uranium enrichment facilities.
text: Uranium dioxide (UO 2 ) can be oxidised to an oxygen rich hyperstoichiometric oxide (UO 2+x ) which can be further oxidised to U 4 O 9 , U 3 O 7 , U 3 O 8 and UO 3 .2H
text: Uranium mining in the United States produced 173,875 pounds (78.9 tonnes) of U 3 O 8 in 2019, 88% lower than the 2018 production of 1,447,945 pounds (656.8 tonnes) of U 3 O 8 and the lowest US annual production since 1948.
text: From 1949 to 2019, total US production of uranium oxide (U 3 O 8 ) was 979.9 million pounds (444,500 tonnes).
text: In 1980 annual U.S. production peaked at 43.7 million pounds of U 3 O 8 .
text: The average spot price of uranium oxide (U 3 O 8 ) increased from $7.92 per pound in 2001 to $39.48 per pound ($87.04/kg) in 2006.
text: Recovery process costs are estimated at $22 to $54 per pound of U 3 O 8 ; higher than the market price of uranium during the 25-year period spanning the 1980s through the early first decade of the 21st century.
text: Discovered in September 1953, it was first mined as a silver deposit and produced 45 metric tons of U 3 O 8 (80% of Nevada's historical production) from 1954 until 1966, from a small open pit and from underground.
text: The plant produced about 150 metric tons of U 3 O 8 before shutting down.
text: The Measured and Indicated Resource is 24.9 million pounds of U 3 O 8 at a grade of 0.06%.
text: The milling (refining) process extracts uranium oxide (U 3 O 8 ) from ore to form yellowcake, a yellow or brown powder that contains about 90 percent uranium oxide.
text: Rössing Uranium Ltd. processed about 12 million metric tons of ore in 2006 and produced 3,617 tons of uranium oxide (U 3 O 8 ), and in 2009 they processed 12.6 million tonnes of uranium ore and produced 4150 tonnes of uranium oxide in comparison to 4067 tonnes in the previous year.
text: The raw material, which is U 3 O 8 , must also be analyzed with a beta-gamma detecting instruments to ensure proper levels of uranium content.  
text: However, experimental fuelings with uranium trioxide (UO 3 ) and triuranium octaoxide, (U 3 O 8 ) have shown promise.
text: Uranium dioxide, like U 3 O 8 , is a ceramic material capable of withstanding high temperatures (about 2300 °C, in comparison with at most 200 °C for silicon or GaAs), making it suitable for high-temperature applications like thermophotovoltaic devices.
text: The ore already in the United States contained 65 percent U 3 O 8 , while the pitchblende aboveground in the Congo amounted to a thousand tons of 65 percent ore, and the waste piles of ore contained two thousand tons of 20 percent U 3 O 8 .
text: The ore already in the United States contained 65 percent U 3 O 8 , while the pitchblende aboveground in the Congo amounted to a thousand tons of 65 percent ore, and the waste piles of ore contained two thousand tons of 20 percent U 3 O 8 .
text: Ammonium diuranate is precipitated by increased pH and converted to uranium oxide (U 3 O 8 ) in a furnace.
text: The major primary ore mineral is uraninite (basically UO 2 ) or pitchblende (U 2 O 5 .UO 3 , better known as U 3 O 8 ), though a range of other uranium minerals are found in particular deposits.
text: Modern yellowcake typically contains 70% to 90% triuranium octoxide (U 3 O 8 ) by weight.
text: Australia produced around 7798 tonnes of U 3 O 8, placing it as the world’s third top producer after Kazakhstan and Canada.
text: In 2009 Korea Resources Corp. agreed to buy 400 tonnes per year of uranium or U 3 O 8 and take a 5% share of the Teguidda mine in central Niger from Trendfield, a Chinese company.
text: – U 3 O 8 – which is shipped from the mines in 200-litre drums.
text: It is more stable chemically than the now-common fuel uranium dioxide, because the latter oxidises to triuranium octoxide (U 3 O 8 ), becoming substantially less dense.
text: Sandstone Deposits (particularly palaeochannel deposits) are usually less than 20,000 tonnes U 3 O 8 , some sheet-like sandstone deposits such as Cameco's Inkai Deposit can be large with Inkai's proven and probable reserves in excess of 80,000 tonnes U 3 O 8 .
text: The price for yellowcake, the powdered uranium oxide ore (U 3 O 8 ), remained too low to justify investment in new uranium mining operations.
text: The final product at the mine site is "yellowcake," with ore concentrated to about 80% uranium oxide (U 3 O 8 ).
text: one ton of mined uranium ore is typically processed into one-four pounds of yellowcake (U 3 O 8 ), so over 99% of the mined rock ends up as tailings
text: Uranyl fluoride is reported to be stable in air to 300 °C, above which slow decomposition to U 3 O 8 occurs.
text: In some cases—e.g., with ammonium diuranate—the yellow cake is ignited, driving off the ammonia and oxidizing the uranium to produce uranium trioxide (UO 3 ) or the more complex triuranium octoxide (U 3 O 8 ).
text: New Mexico has world class uranium deposits in the Grants district and ranks 2nd in uranium reserves in the United States, which amounts to 64 million short tons of ore at 0.14% U 3 O 8 (179 million pounds U 3 O 8 ) at $50/lb (according the the U.S. Department of Energy).
text: More than 340 million pounds of U 3 O 8 have been produced from Morrison deposits from 1948-2002 (Tables 1, 3), accounting for 97% of the total production in New Mexico and more than 30% of the total production in the U.S. Sandstone uranium deposits are defined as epigenetic concentrations of uranium in fluvial, lacustrine, and deltaic sandstones (Fig. 4).
text: Another period of mining took place from 1941 to 1966, producing 360,000 pounds (160 metric tons) of uranium oxide (U 3 O 8 ).
text: Yellowcake is milled uranium oxide, known to chemists as U 3 O 8 .
text: Assuming an average recoverable content of 100 ppm of uranium, and that uranium prices do not increase so that the main use of the phosphates are for fertilizers, this scenario would result in a maximum theoretical annual output of 3.7 kilotonnes (8.2×10 ^ 6 lb) U 3 O 8 .
text: In 2011, the average price paid for U 3 O 8 in the United States was $122.66/kg.
text: The plant produced about 150 metric tons of U 3 O 8 before shutting down.
text: : The United States was the world's leading producer of uranium from 1953 until 1980, when annual US production peaked at 16,810 tonnes (37 × 10 ^ 6 lb) (U 3 O 8 ) according to the OECD redbook.
text: The U.S. production hit another maximum in 1996 at 6.3 million pounds (2.9 kt) of uranium oxide (U 3 O 8 ), then dipped in production for a few years.
text: Uranium mining production in the United States Year 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 U 3 O 8 (Mil lb) 3.1 3.4 6.0 6.3 5.6 4.7 4.6 4.0 2.6 2.3 2.0 2.3 2.7 4.1 4.5 3.9 4.1 U 3 O 8 (tonnes)
text: The uranium spot price has increased from a low in Jan 2001 of US$6.40 per pound of U 3 O 8 to a peak in June 2007 of US$135.
text: The China National Nuclear Corporation-owned Rössing mine produced 2,478 tonnes (5,463,000 lb) of U 3 O 8 in 2018.
text: The China General Nuclear Power Group-owned Husab Mine produced 3,571 tonnes (7,873,000 lb) of U 3 O 8 in 2018.
text: In 2007, production in Niger had a total output of 3,720 tonnes U 3 O 8 (8.2 million pounds) coming mainly from the Akouta (Cominak) and the Arlit (Somair) mines.
text: China mined in 2007 636 tonnes of U 3 O 8 , a decrease of 17% of its production in 2006.
text: In Uzbekistan, the Navoi Mining & Metallurgy Combinat reportedly produced 2,721 tonnes U 3 O 8 or tU 3 O 8 (6 million pounds) from its Nurabad, Uchkuduk and Zafarabad in-situ recovery facilities.
text: I have never mined an ounce of gold, nor any unit of uranium oxide (U 3 O 8 ).
text: The implication is that the uranium market is pricing U 3 O 8 up higher than is merited.
text: Mines in 2019 supplied some 63,273 tonnes of uranium oxide concentrate (U 3 O 8 ) containing 53,656 tU, 80% of the utilities' annual requirements (see also information page on World Uranium Mining).