Method for coprecipitation of actinides in different oxidation states and method for preparation of mixed compounds of actinides
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United States of America Patent
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Nov 9, 2010
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app pub date -
May 27, 2005
filing date -
May 28, 2004
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Abstract
According to another embodiment, a solution i.e. mixture of actinide(s) in oxidation state (IV) and actinide(s) in oxidation state (III) is prepared and a solution containing oxalate ions and a singly charged cation is added to the said mixture of actinides in order to carry out the coprecipitation.Method for preparation of mixed compounds of actinides by calcining the precipitate which is obtained.These mixed oxides such as mixed oxides, carbides or nitrides can be used especially in the fabrication of nuclear fuel, in the fabrication of transmutation targets or for the stable packaging of nuclear materials.
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