PH of UO2SO4 in H2O - Learning Suggestions

[dougbrown999]

Does anyone have a suggestion for learning about the pH of UO2SO4 in H2O?

 

[Astronuc]

Can one find the solubility constant for uranyl sulphate?

This is really a chemistry question.

 

[dougbrown999]

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?

 

[Astronuc]

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

 

[dougbrown999]

Thanks for the information.