Magnetic ionic liquid

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A magnetic ionic liquid was identified by Satoshi Hayashi and Hiro-o Hamaguchi of the University of Tokyo in 2004 as an ionic liquid based on the imidazole 1-butyl-3-methylimidazolium chloride and ferric chloride.[1]

[2]

Due to the presence of high spin FeCl4−, the liquid is paramagnetic and a magnetic susceptibility of 40.6 × 10-6 emu g-1 is reported. A simple magnet suffices to attract the liquid in a test tube.

References

  1. ↑ Satoshi Hayashi; Hiro-o Hamaguchi (2004). "Discovery of a Magnetic Ionic Liquid [bmim]FeCl4". Chemistry Letters 33 (18): 1590–1591. doi:10.1002/chin.200518200. 
  2. ↑ Satoshi Hayashi; Satyen Saha; Hiro-o Hamaguchi (2006). "A new class of magnetic fluids: bmim[FeCl4] and nbmim[FeCl4] ionic liquids D". IEEE Transactions on Magnetics 42 (1): 12–14. Bibcode:2006ITM....42...12H. doi:10.1109/TMAG.2005.854875. 


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