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  Characterization and stability of silanized and polymercoated octadecyl reversed phases

Hetem, M. J. J., De Haan, J. W., Claessens, H. A., Cramers, C. A., Deege, A., & Schomburg, G. (1991). Characterization and stability of silanized and polymercoated octadecyl reversed phases. Journal of Chromatography A, 540, 53-76. doi:10.1016/S0021-9673(01)88798-7.

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Genre: Journal Article

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 Creators:
Hetem, M. J. J.1, Author
De Haan, J. W.1, Author
Claessens, H. A.1, Author
Cramers, C. A.1, Author
Deege, A.2, Author              
Schomburg, G.2, Author              
Affiliations:
1Eindhoven University of Technology, Laboratory of Instrumental Analysis, P. O. Box 513, 5600 MB Eindhoven, The Netherlands, ou_persistent22              
2Service Department Schomburg (GC), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445628              

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 Abstract: Three different reversed phases for high-performance liquid chromatography obtained with monofunctional octadecylsilane or with cross-linked polymethyloctadecylsiloxane with and without trimethylsilane precapping of the substrate were synthesized on the same batch of Nucleosil silica. After extensive characterization, these phases were subjected to artificial ageing under simulated routine conditions. Changes in properties of the bonded-phase packings were quantified with chromatographic techniques, solid-state 29Si NMR and elemental analysis. These changes are correlated with lipophilic and polar selectivity, accessibility of silanol groups at the surface, loss of silanes/siloxanes, separation performance and silica degradation of the stationary phases.

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Language(s): eng - English
 Dates: 1991-01-01
 Publication Status: Published in print
 Pages: 24
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1016/S0021-9673(01)88798-7
 Degree: -

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Title: Journal of Chromatography A
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 540 Sequence Number: - Start / End Page: 53 - 76 Identifier: ISSN: 0021-9673
CoNE: https://pure.mpg.de/cone/journals/resource/954925527837_1