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  Stationary phases for reversed-phase liquid chromatography : Coating of silica by polymers of various polarities

Figge, H., Deege, A., Köhler, J., & Schomburg, G. (1986). Stationary phases for reversed-phase liquid chromatography: Coating of silica by polymers of various polarities. Journal of Chromatography A, 351, 393-408. doi:10.1016/S0021-9673(01)83517-2.

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 Creators:
Figge, H.1, Author
Deege, A.1, Author              
Köhler, J.1, Author
Schomburg, G.1, Author              
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1Service Department Schomburg (GC), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445628              

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 Abstract: The possibilities of syntheses and the chromatographic properties of reversed-phase materials achieved by polymer coating have been investigated. Special alkylpolysiloxanes, which were to be immobilized on different types of silica, have been synthesized by equilibration of different mixtures of methylhydropolysiloxanes with octamethyltetrasiloxane and subsequent hydrosilylation of 1-alkenes of different chain length. The polymers obtained can easily be immobilized on silica by the usual methods, such as thermal treatment with dicumyl peroxide, γ-radiation, etc. The immobilization is even more effective if the polymer contains a low concentration of SiH bonds. The chromatographic behaviour of such phases in regard to efficiency, selectivity, adsorptivity, and stability has extensively been tested also in comparison with reversed-phase materials obtained by silanization of SiOH groups.

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Language(s): eng - English
 Dates: 1986
 Publication Status: Published in print
 Pages: 16
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0021-9673(01)83517-2
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Title: Journal of Chromatography A
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 351 Sequence Number: - Start / End Page: 393 - 408 Identifier: ISSN: 0021-9673
CoNE: https://pure.mpg.de/cone/journals/resource/954925527837_1