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Free silanols and ionic liquids as their suppressors in liquid chromatography

2018; Elsevier BV; Volume: 1559; Linguagem: Inglês

10.1016/j.chroma.2018.04.002

1873-3778

Magdalena Buszewska‐Forajta, Michał J. Markuszewski, Roman Kaliszan,

Microfluidic and Capillary Electrophoresis Applications

In this review, we will firstly discuss the types and the general properties of silica, focusing on the silica support used in chromatography and capillary electrophoresis. Additionally, the characterization of functional groups (silanols and siloxanes) will be considered in terms of activity of the stationary phases. We will then discuss physical chemistry of the stationary phases applied in liquid chromatography and capillary electrophoresis. The use of ionic liquids as a silanols' suppressors will be presented in the next parts of the study, along with the examples of specific applications. The review is completed with conclusions and an outlook for the future developments in the area of analytical applications of ionic liquids.