PH of UO2SO4 in H2O - Learning Suggestions

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The discussion focuses on understanding the pH of uranyl sulfate (UO2SO4) in water, particularly in the context of designing a low-enriched uranium (LEU) subcritical aqueous reactor. Maintaining a low pH is emphasized to prevent uranium precipitation. Participants seek reliable sources for learning about aqueous reactor chemistry, noting that older literature may still provide accurate information. The solubility constant for uranyl sulfate is also a point of inquiry. Overall, the conversation highlights the importance of pH control and the need for foundational chemistry resources in reactor design.
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Does anyone have a suggestion for learning about the pH of UO2SO4 in H2O?
 
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Can one find the solubility constant for uranyl sulphate?

This is really a chemistry question.
 
The question stems from the design of a LEU subcritical aqueous reactor. I am under the impression that keeping the pH low is necessary in order to avoid precipitates of uranium. Does anyone recommend a good source for learning about the chemistry in aqueous reactors?
 
Such sources are probably quite old, but nevertheless accurate. I've used uranyl nitrate solutions in the past. Uranyl nitrate hexahydrate is a precursor to ADU, which is precipitate in ammonium hydroxide IIRC. ADU is ultimately calcined to UO2.

http://digital.library.okstate.edu/OAS/oas_pdf/v54/p83_87.pdf
 
Thanks for the information.
 

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