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. 2010 Feb 7;46(5):716-8.
doi: 10.1039/b910469k. Epub 2009 Dec 24.

On the dissolution of non-metallic solid elements (sulfur, selenium, tellurium and phosphorus) in ionic liquids

Eva Boros  1 , Martyn J Earle, Manuela A Gîlea, Andreas Metlen, Anja-Verena Mudring, Franziska Rieger, Allan J Robertson, Kenneth R Seddon, Alina A Tomaszowska, Lev Trusov, Joseph S Vyle
Affiliations

On the dissolution of non-metallic solid elements (sulfur, selenium, tellurium and phosphorus) in ionic liquids

Eva Boros et al. Chem Commun (Camb). .

Abstract

Ionic liquids are shown to be good solvents for elemental sulfur, selenium, phosphorus and tellurium, and can be designed to maximise the solubility of these elements. The presence of the [S(3)](*-) radical anion in diluted solutions of sulfur in some ionic liquids has been confirmed, and is the origin of their intense blue colour (cf. lapis lazuli).

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