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Equilibrium and Extraction Kinetics of Americium(III) by Thenoyltrifluoroacetone and Triphenylarsine Oxide Mixture in Chloroform from Perchlorate Medium

The synergic extraction of Am(III) by thenoyltrifluoroacetone (ΗΤΤΑ) and triphenylarsine oxide (Ph3AsO) in chloroform from Perchlorate medium has been investigated. The effects of the different parameters affecting the extraction were studied and the stoichiometry of the extracted species was found to be Am(OH)(TTA)2Ph3 AsO. The kinetics of this extraction has been studied using a stirred Lewis cell at ionic strength 0.1 (NaC104). The effects of rate of stirring, concentration of ΗΤΤΑ, Ph3 AsO and Η + as well as temperature on the rate of extraction were studied.