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A New Efficient Extractant for Metal Ions Classified Soft Acids
No.164(January 2015)
2,2'-(Methylimino)bis(N,N-di-n-octylacetamide) (MIDOA or MIDAA, 1) is a new efficient metal extractant, developed by Sasaki et al.1) 1 is highly lipophilic and ready to use in the HNO3(aq.)–n-dodecane extraction system. 1 has high extractability for metal ions classified soft acids because of the nitrogen donor atom centered in the backbones. Therefore, the distribution ratio for Tc(VII) is extremely high. In addition, Cr(VI), Re(VII), Mo(VI), W(VI), Pd(II) and Pu(IV) are well extracted by 1.1,2)
*This product receives a license of invention of the Japan Atomic Energy Agency (JAEA) and Ibaraki University
(Japan Kokai Tokkyo Koho JP2011-001809 (2011), JP2012-144448 (2012) and Fr Pat. 2970251 (2012)).
References
- 1)The first report of a novel extractant, MIDOA
- 2)Reports on the extraction ability of MIDOA
- a)Y. Sasaki, M. Ozawa, T. Kimura, K. Ohashi, Solvent Extr. Ion Exch. 2009, 27, 378.
- b)Y. Sasaki, Y. Sugo, M. Saeki, Y. Morita, A. Ohashi, Solvent Extr. Res. Dev. Jpn. 2011, 18, 69.
- c)Y. Sasaki, Y. Tsubata, Y. Kitatsuji, Y. Sugo, N. Shirasu, Y. Morita, T. Kimura, Solvent Extr. Ion Exch. 2013, 31, 401.
- d)M. Saeki, Y. Sasaki, A. Nakai, A. Ohashi, D. Banerjee, A. C. Scheinost, H. Foerstendorf, Inorg. Chem. 2012, 51, 5814.
- a)Y. Sasaki, M. Ozawa, T. Kimura, K. Ohashi, Solvent Extr. Ion Exch. 2009, 27, 378.
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