Purification and neutron emission reduction of 238Plutonium oxide by nitrate anion exchange processing

Details Purification and neutron emission reduction of 238Plutonium oxide by nitrate anion exchange processing Purification and neutron emission reduction of 238Plutonium oxide by nitrate anion exchange processing

Feb 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aipc..552..770p&link_type=abstract

Space Technology and Applications International Forum - 2001. AIP Conference Proceedings, Volume 552, pp. 770-773 (2001).

Astronomy and Astrophysics

Astronomy

Gravitational Radiation, Magnetic Fields, And Other Observations, International Organizations, National And International Programs, Spaceborne And Space Research Instruments, Apparatus, And Components, Other Topics In Instruments, Apparatus, And Components Common To Several Branches Of Physics And Astronomy, Environmental Effects On Instruments

Scientific paper

The use of ion exchange during the aqueous purification of 238Pu oxide results in low levels of uranium, thorium, and americium in the product oxide. Neutron emission rates are also reduced in the product oxide. Fluorine introduced during the dissolution of impure fuel increases the neutron emission rate of the product oxide due to the 238Pu-19F alpha/n reaction. Treating the 238Pu solution with aluminum nitrate prior to ion exchange reduces the neutron emission rate in the product oxide. Data are presented to show that neutron emission rates and concentrations of uranium, thorium, and americium are reduced by ion exchange processing. .

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