Observation of an Unusual Uranyl Cation–Cation Interaction in the Strongly Fluorescent Layered Uranyl Phosphates Rb6[(UO2)7O4(PO4)4] and Cs6[(UO2)7O4(PO4)4]

2018 ◽  
Vol 57 (7) ◽  
pp. 3675-3678 ◽  
Author(s):  
Christian A. Juillerat ◽  
Emily E. Moore ◽  
Theodore Besmann ◽  
Hans-Conrad zur Loye
The Analyst ◽  
1973 ◽  
Vol 98 (1168) ◽  
pp. 525 ◽  
Author(s):  
Glenn Peter Wood
Keyword(s):  

1991 ◽  
Vol 257 ◽  
Author(s):  
R.J. Finch ◽  
R.C. Ewing

ABSTRACTThe uranyl oxide hydrates are common initial corrosion products of uraninite (nominally U02+x) during weathering. In the presence of dissolved silica these early-formed phases alter to uranyl silicates (most commonly soddyite, U2SiO8-2H2O, and uranophane, CaU2Si2O11·6H2O). Uraninite, however, usually contains radiogenic Pb, and the earlyformed Pb-poor uranyl oxide hydrates alter incongruously to uranyl silicates plus Pb-enriched uranyl oxide hydrates such as curite. Similar to dissolved silica, radiogenic Pb may also serve to limit the mobility of U in nature by fixing U in solid phases. Curite may also play an important role in the formation of uranyl phosphates, which are significantly less soluble than the uranyl silicates, and control U solubility in many groundwaters associated with altered U ore.


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Maxime Dufaye ◽  
Sylvain Duval ◽  
Grégory Stoclet ◽  
Xavier Trivelli ◽  
Marielle Huvé ◽  
...  
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Bo Jin ◽  
Tian Zheng ◽  
Xingyan Tang ◽  
Zhicheng Guo ◽  
...  

Author(s):  
Marie Hoarau ◽  
Karl J. Koebke ◽  
Zhan Chen ◽  
E. Neil G. Marsh
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2004 ◽  
Vol 43 (18) ◽  
pp. 5480-5482 ◽  
Author(s):  
Andrew D. Sutton ◽  
Gordon H. John ◽  
Mark J. Sarsfield ◽  
Joanna C. Renshaw ◽  
Iain May ◽  
...  

2012 ◽  
Vol 13 (1) ◽  
pp. 386-392 ◽  
Author(s):  
Nathan A. Meredith ◽  
Matthew J. Polinski ◽  
Justin N. Cross ◽  
Eric M. Villa ◽  
Antonio Simonetti ◽  
...  

2019 ◽  
Vol 186 (5) ◽  
Author(s):  
Leila Farzin ◽  
Mojtaba Shamsipur ◽  
Shahab Sheibani ◽  
Leila Samandari ◽  
Zahra Hatami
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