General review of ionic liquids and their properties / Urszula Domaanska -- Experimental and theoretical structure of ionic liquids / Tristan Gerard Alfred Youngs, Christopher Hardacre, and Claire Lisa Mullan -- Ionic liquid advances in optical, electrochemical, and biochemical sensor technology / Sheila N. Baker ... [et al.] -- Ionic liquids as stationary phases in gas chromatography / Jared L. Anderson -- Ionic liquids in liquid chromatography / Apryll M. Stalcup -- Ionic liquids as background electrolyte additives in capillary electrophoresis / Merike Vaher and Mihkel Kaljurand -- Ionic liquids as stationary phases in countercurrent chromatography / Alain Berthod, Maria-Jose Ruiz-Angel and Samuel Carda-Broch -- Gas solubilities in ionic liquids and related measurement techniques / Joan Frances Brennecke, Zulema K. Lopez-Castillo, and Berlyn Rose Mellein -- Liquid-liquid extraction of organic compounds / Igor V. Pletnev, Svetlana V. Smirnova, and Vladimir M. Egorov -- Separation of metal ions based on ionic liquids / Huimin Luo and Sheng Dai -- Molecular spectroscopy and ionic liquids / Mihkel Koel -- Raman spectroscopy, ab initio model calculations and conformational equilibria in ionic liquids / Rolf W. Berg -- Nuclear magnetic resonance spectroscopy in ionic liquids / Ralf Giernoth -- Ionic liquids and mass spectrometry / Andreas Tholey -- Future prospects / Mikhel Koel.