Hydrophilic interaction liquid chromatography for separation and quantification of selected room-temperature ionic liquids

被引：32
作者：
Le Rouzo, Guillaume [1 ]
Lamouroux, Christine
Bresson, Carole
Guichard, Aline
Moisy, Philippe
Moutiers, Gilles
机构：
[1] CEA Saclay, DEN, DANS, DPC,SECR,LSRM, F-91191 Gif Sur Yvette, France
[2] CEA Saclay, DEN, DANS, DPC,SECR,LANIE, F-91191 Gif Sur Yvette, France
[3] CEA Valrho, DEN, VRH, DRCP,SCPS,LCA, F-30207 Bagnols Sur Ceze, France
[4] CEA Saclay, DEN, DANS, DPC,SCP,DIR, F-91191 Gif Sur Yvette, France
来源：
JOURNAL OF CHROMATOGRAPHY A | 2007年 / 1164卷 / 1-2期
关键词：
room-temperature ionic liquids; hydrophilic interaction liquid chromatography; ionic liquid cations; ion-pairing reversed-phase chromatography; MOBILE-PHASE ADDITIVES; RETENTION BEHAVIOR; CARBON-DIOXIDE; IMIDAZOLIUM; CATIONS; EXTRACTION; SOLVENTS; ACIDS; COMPLEXATION; STABILITY;
D O I：
10.1016/j.chroma.2007.06.053
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
Hydrophilic interaction liquid chromatography (HILIC) is an alternative technique to ion pairing-reversed-phase liquid chromatography (IP-RPLC) and classical RPLC for separation of alkylimidazolium room-temperature ionic liquids (RTILs). Particularly, HILIC offers better retention and selectivity for short-chains RTILs imidazolium compounds. HILIC mechanisms were investigated by studying the influence of organic modifier content and salt concentration in the mobile phase. HILIC method was validated by quantifying 1-butyl-3-methylimidazolium cation (BMIM) degradation under gamma radiation at 2.5 MGy. Development of separative reproducible analytical methods, including for low concentration, applicable to RTILs are today mandatory to improve RTILs chemistry. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：139 / 144
页数：6
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