Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound
Sodium diuranate, also known as the yellow oxide of uranium, is an inorganic chemical compound with the chemical formula Na2U2O7. It is a sodium salt of a diuranate anion. It forms a hexahydrate Na2U2O7·6H2O. Sodium diuranate is commonly referred to by the initials SDU.[1] Along with ammonium diuranate it was a component in early yellowcakes.[2] The ratio of the two compounds is determined by process conditions; however, yellowcake is now largely a mix of uranium oxides.[3]
^Meredith, A. D.(2013). Modified Sodium Diuranate Process For the Recovery of Uranium From Uranium Hexafluoride Transport Cylinder Wash solution. (Doctoral dissertation). Retrieved from http://scholarcommons.sc.edu/etd/2466
^James A. Kent (27 May 2010). Kent and Riegel's Handbook of Industrial Chemistry and Biotechnology. Springer Science & Business Media. pp. 962–. ISBN 978-0-387-27843-8.
^Hausen, D. M. (1998). "Characterizing and classifying uranium yellow cakes: A background". JOM. 50 (12): 45–47. Bibcode:1998JOM....50l..45H. doi:10.1007/s11837-998-0307-5. ISSN 1047-4838. S2CID 97023067.
a diuranate anion. It forms a hexahydrate Na2U2O7·6H2O. Sodiumdiuranate is commonly referred to by the initials SDU. Along with ammonium diuranate it...
oxides are the foundation of the nuclear fuel cycle ("ammonium diuranate" and "sodiumdiuranate" are intermediates in the production of uranium oxide nuclear...
formed in the milling process and considered it to be ammonium diuranate or sodiumdiuranate. The compositions were variable and depended upon the leachant...
for high temperature firing. The introduction of alkaline diuranates (like sodiumdiuranate) into glasses leads to yellow by transmission, green by reflection;...
Magnesium diuranate (MgU2O7) is a compound of uranium. It is known in the uranium refining industry as "MDU" and forms the major part of some yellowcake...
used in new MOX fuel rods. Ammonium diuranate or sodiumdiuranate (Na2U2O7·6H2O) may be decomposed. Sodiumdiuranate, also known as yellowcake, is converted...
Unit, special mecha unit piloted by the Sky Girls (Japanese anime) Sodiumdiuranate, a uranium salt that is an intermediate in the production of the metal...
yellow compound (likely sodiumdiuranate) by dissolving pitchblende in nitric acid and neutralizing the solution with sodium hydroxide. Klaproth assumed...
includes thorium and the rare earths as their hydroxides, uranium as sodiumdiuranate, and phosphate as trisodium phosphate. This crystallises trisodium...
yellow compound (likely sodiumdiuranate) by dissolving pitchblende in nitric acid and neutralizing the solution with sodium hydroxide. He then reduced...
produced included nitrate, sulfate, phosphate, acetate and potassium- and sodium-diuranate. Klaproth detected the element in pitchblende from the George Wagsfort...
Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for colouration. The proportion usually...
hexafluoride by reacting with ammonia to form a solid called ammonium diuranate, (NH4)2U2O7. This is then heated (calcined) to form UO 3 and U3O8 which...
stripped with ammonium sulphate solution and gaseous ammonia. Ammonium diuranate is precipitated by increasing the pregnant solution pH, and converted...
available. The UO2F2-HF solution can then be neutralized to ammonium diuranate, filtered, washed, and dried to UO2 using components of the system previously...
which started production in 1853 of uranium pigments (sodium, potassium and ammonium diuranates, uranium oxides) for the production of uranium glass from...
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