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Solvent Innovation Nattermannallee 1 50829 Köln, Germany http://www.ionic-liquids.com
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Are ionic liquids really volatile?

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In a recent publication in Nature, a collaboration of researchers from Portugal, Northern Ireland and the United States led by Martyn Earle shook up the perception of ionic liquids as non-volatile substances.1 They reported that they were able to distill some bis(trifluormethylsulfonyl) amide (NTf2) salts, under harsh conditions. For example, [C6MIM][NTf2] was distilled with a low rate of 3 mg/h at 170°C and 0.07 mbar.

At this point we would like to stress that this low volatility has been proven pretty much for [NTf2]-salts only. Furthermore, the mechanism of the ionic liquids distillation process has still to be elucidated as
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