Ionic liquids

E. Peris-García, R. Burgos-Gil, M.J. Ruiz-Ángel, M.C. García-Álvarez-Coque, “Hydrophilic liquid chromatography versus reversed-phase liquid chromatography in the absence and presence of 1‑hexyl-3-methylimidazolium chloride for the analysis of basic compounds”, Separations (Open Access) 79, 30 (2020).

O. Mompó-Roselló, A. Ribera-Castelló, E.F. Simó-Alfonso, M.J. Ruiz-Ángel, M.C. García-Álvarez-Coque, J.M. Herrero-Martínez, “Extraction of β-blockers from urine with a polymeric monolith modified with 1-allyl-3-methylimidazolium chloride in spin column format”. Talanta 214, 120860 (2020).

M.J. Ruiz-Ángel, “Estimation of solute-stationary phase and solute-mobile phase interactions in the presence of ionic liquids”, Separations 6 (Open Access) (2019).

E. Peris-García, M.C. García-Álvarez-Coque, S. Carda-Broch, M.J. Ruiz-Ángel, “Effect of buffer nature and concentration on the chromatographic performance of basic compounds in the absence and presence of 1-hexyl-3-methylimidazolium chloride”. Journal of Chromatography A 1602, 397–408 (2019).

M.L. Riekkola, S. Carda-Broch, ”Editorial on Ionic liquids”, Journal of Chromatography A 1559, 1 (2018).

A. Berthod, M.J. Ruiz-Ángel, S. Carda-Broch, ”Recent advances on ionic liquid uses in separation techniques”. Journal of Chromatography A 1559, 2–16 (2018).

S. Carda-Broch, M.C. García-Álvarez-Coque, M.J. Ruiz-Ángel, ”Extent of the influence of phosphate buffer and ionic liquids on the reduction of the silanol effect in a C18 stationary phase”. Journal of Chromatography A 1559, 112–117 (2018).

S. Calabuig-Hernández, E. Peris-García, M.C. García-Álvarez-Coque, M.J. Ruiz-Ángel, ”Suitability of 1-hexyl-3-methylimidazolium ionic liquids for the analysis of pharmaceutical formulations containing tricyclic antidepressants”. Journal of Chromatography A 1559, 118–127 (2018).

S. Calabuig-Hernández, M.C. García-Álvarez-Coque, M.J. Ruiz-Ángel, “Performance of amines as silanol suppressors in reversed-phase liquid chromatography”. Journal of Chromatography A 1465, 98–106 (2016).

M.T. Úbeda-Torres, C. Ortiz-Bolsico, M.C. García-Álvarez-Coque, M.J. Ruiz-Angel, “Gaining insight in the behaviour of imidazolium-based ionic liquids as additives in reversed-phase liquid chromatography for the analysis of basic compounds”. Journal of Chromatography A 1380, 96–103 (2015).

M.J. Ruiz-Ángel, M.C. García-Álvarez-Coque, A. Berthod, S. Carda-Broch, “On the use of ionic liquids as mobile phase additives in high-performance liquid chromatography” (review). Analytica Chimica Acta 883, 1–21 (2015).

J.J. Fernández-Navarro, J.R. Torres-Lapasió, M.J. Ruiz-Ángel, M.C. García-Álvarez-Coque, “1‑Hexyl-3-methyl imidazolium tetrafluoroborate: An efficient column enhancer in the separation of basic drugs by reversed-phase liquid chromatography”. Journal of Chromatography A 1258, 168―174 (2012).

J.J. Fernández Navarro, J.R. Torres-Lapasió, M.J. Ruiz-Ángel, M.C. García-Álvarez-Coque, “Silanol suppressing potency of alkyl-imidazolium ionic liquids on C18 stationary phases”. Journal of Chromatography A 1232, 166–175 (2012).

J.J. Fernández Navarro, M.C. García-Álvarez-Coque, M.J. Ruiz-Ángel, “The role of the dual nature of ionic liquids in the reversed-phase liquid chromatographic separation of basic drugs”. Journal of Chromatography A 1218, 398–407 (2011).

M.C. García-Álvarez-Coque, M.J. Ruiz-Ángel, “Reliable measurement of silanol suppression potency in alkyl-bonded stationary phases”. LCGC’ The Column (digital journal, Ed. Advanstar Communications, ISSN 2050-280X), 7, 2–8 (2011).

S. Carda-Broch, M.J. Ruiz-Ángel, D.W. Armstrong, A. Berthod, “Ionic liquid based headspace solid‑phase microextraction-gas chromatography for the determination of volatile polar organic compounds”. Separation Science and Technology 45, 2422–2428 (2010).

M.J. Ruiz-Ángel, A. Berthod, “Reversed-phase liquid chromatography analysis of alkyl-imidazolium ionic liquids. II. Effects of different added salts and stationary phase influence”. Journal of Chromatography A 1189, 476–482 (2008).

A. Berthod, M.J. Ruiz-Ángel, S. Carda-Broch, “Ionic liquids in separation techniques” (review). Journal of Chromatography A 1184, 6–18 (2008).

A. Berthod, M.J. Ruiz-Ángel, S. Carda-Broch, “Ionic liquids as stationary phases in countercurrent chromatography”, Chapter 7, pp. 211–228 in “Ionic liquids in Chemical Analysis” (Analytical Chemistry Series), CRC Press, Boca Ratón, Florida  (2008).

M.J. Ruiz-Ángel, V. Pino, S. Carda-Broch, A. Berthod, “Solvent systems for countercurrent chromatography: An aqueous two phase liquid system based on a room temperature ionic liquid”. Journal of Chromatography A 1151, 65–73 (2007).

M.J. Ruiz-Ángel, S. Carda-Broch, A. Berthod, “Ionic liquids versus triethyilamine as mobile phase additives in the analysis of β-blockers”. Journal of Chromatography A 1119, 202–208 (2006).

M.J. Ruiz-Ángel, A. Berthod, “Reversed phase liquid chromatography of alkyl-imidazolium ionic liquids”. Journal of Chromatography A 1113, 101–108 (2006).

A. Berthod, M.J. Ruiz-Ángel, S. Huguet, “Nonmolecular solvents in separation methods: Dual nature of room temperature ionic liquids”. Analytical Chemistry 77, 4071–4080 (2005).

A. Berthod, S. Carda-Broch, “Use of the ionic liquid 1-butyl-3-methylimidazolium hexafluoro-phosphate in countercurrent chromatography”. Analytical and Bioanalytical Chemistry 380, 168–177 (2004).

A. Berthod, S. Carda-Broch, “Uses of ionic liquids in Analytical Chemistry” (review). The Annals of the Marie Curie Fellowships 3, 32–37 (2004).

A. Berthod, S. Carda-Broch, “Utilisation des liquides ioniques en analyse” (review). L’actualité chimique 271, 24–30 (2004).