Analytical sample preparation, preconcentration and chromatographic separation on carbon nanotubes

Document Type

Article

Publication Date

5-1-2017

Abstract

Carbon nanotubes (CNTs) are excellent sorbents with unique properties that have allowed them to be used for sample preparations in chemical analysis as well as chromatographic separations. They show high specific sorption capacity even for low molecular weight compounds such as CO2 and methane, and at the same time, their nonporous structures provide faster mass transfer which allows efficient desorption of large molecules from their surface. Therefore, CNTs have been used as sorbents for small as well as macromolecules. This review highlights the applications of CNTs and CNT-based materials in some important analytical scale separations, namely stationary phase in gas, liquid and electro chromatography, sorbents for gas phase preconcentration, solid phase extraction, solid phase micro extraction and membrane separations.

Identifier

85020042264 (Scopus)

Publication Title

Current Opinion in Chemical Engineering

External Full Text Location

https://doi.org/10.1016/j.coche.2017.05.001

e-ISSN

22113398

First Page

102

Last Page

114

Volume

16

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