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OXIDATION OF Pu(IV) TO Pu(VI) IN SOLUTIONS OF NITRIC ACID, ALUMINIUM NITRATES, SODIUM NITRATE, AND URANYL NITRATE
| Content Provider | Semantic Scholar |
|---|---|
| Author | Crocker, I. H. |
| Copyright Year | 1957 |
| Abstract | The effects of temperature, Pu concentration, HNO/sub 3/ concentration, and NO/sub 3-bar/ concentration on the oxidation of Pu/sup 4+/ to Pu/sup 6+/ have been studied. The rate of oxidation increases as temperature and Pu concentration increase, decreases as the HNO/sub 3/ concentration increases, and, in general, decreases as the NO/sub 3-bar/ concentration increases, particularly when the ion is supplied by a highly ionized nitrate salt, such as NaNO/sub 3/ or Al(NO/sub 3/)/sub 3/. UO/sub 2/(NO/sub 3/)/ sub 2/, which is strongly complexed in HNO/sub 3/ solution inhibits Pu/sup 6+/ formation when present in high concentration, but enhances its formation when present in low concentration. Quantitative data were obtained over a range of acid-salt concentrations, that should enable prediction of the oxidation state of Pu in most process solutions. (auth) |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.sciencemadness.org/lanl2_a/lib-www/la-pubs/00373520.pdf |
| Alternate Webpage(s) | https://fas.org/sgp/othergov/doe/lanl/lib-www/la-pubs/00373520.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
