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Separation of trivalent actinides and lanthanides using dithiophosphinic acids - End of Studies Project

Philippe Marc 1, *
* Corresponding author
1 CSG - Chemical Separations Group [Oak Ridge]
Chemical Sciences Division [Oak Ridge]
Abstract : This report presents the results of the degradation study of the active compound of the commercial extractant CYANEX ® 301, bis(2,4,4-trimethylpentyl)dithiophosphinic acid. It was determined that the complete degradation, which is commonly thought to produce the oxo equivalent, is in fact a two-step process where the first product to be obtained is relatively stable and corresponds to a condensation more than a degradation. A study on the impact of some parameters of the condensation, such as the concentration of oxidizer or acid and the atmosphere, has enabled us to propose here a general equation of the degradation of CYANEX ® 301.
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https://hal-cea.archives-ouvertes.fr/cea-01267743
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Submitted on : Thursday, February 4, 2016 - 7:54:48 PM
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Philippe Marc. Separation of trivalent actinides and lanthanides using dithiophosphinic acids - End of Studies Project. [Intership report] Oak Ridge National Laboratory. 2011. ⟨cea-01267743⟩

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