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

Èva Boros; 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

doi:10.1039/B910469K

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

Èva Boros,^a Martyn J. Earle,*^a Manuela A. Gîlea,^a Andreas Metlen,^a Anja-Verena Mudring,^b Franziska Rieger,^b Allan J. Robertson,^c Kenneth R. Seddon,^a Alina A. Tomaszowska,^a Lev Trusov^b and Joseph S. Vyle^a

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* Corresponding authors

^a The QUILL Research Centre, School of Chemistry, Queen’s University of Belfast, Belfast, UK
E-mail: quill@qub.ac.uk

^b Anorganische Chemie I-Festkörperchemie and Materialien, Ruhr-Universität Bochum, D-44780 Bochum, Germany

^c Cytec Canada Inc., Niagara Falls, Canada

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 [S₃]˙⁻ 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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On the dissolution of non-metallic solid elements (sulfur, selenium, tellurium and phosphorus) in ionic liquids

Abstract

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

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