[3D01-03] Extractant and Complex Formation

[3D01] Basic information on solvent extraction using ADAAM for Am/Cm separation

*Yuji Sasaki¹, Masashi Kaneko¹, Yasutoshi Ban¹, Hideya Suzuki¹ (1. Japan Atomic Energy Agency)

Keywords:Am, Cm, mutual separation, ADAAM, solvent extraction

Am and Cm as minor actinides, have the similar chemical behavior, thus both metals are, in general, hard to separate. On the other hand, separation of Am with long-lived radionuclide to transmute from Cm to emit neutrons by spontaneous fission has been requesting. Although the mutual separation by solvent extraction is a tough work, ADAAM (Alkyl DiAmide AMine) developed in JAEA show high separation factor of Am/Cm of around 6 at HNO₃-n-dodecane system. We focus on basic research on solvent extraction using ADAAM and investigate the physical properties, i.e., polarity and viscosity, and separation factors of Am/Cm variated in combination with water-soluble masking agent of An, and will show the information at the meeting.