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Silica Modified with Ketoimine Group-Containing Silane as an Adsorbent in Capillary Columns

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Abstract

The preparation of adsorbents for capillary CGC has been described. The adsorbents have a free ketoimine group which enables to bound copper(II) and nickel(II) chlorides. The prepared adsorbents have been characterised by such physico-chemical techniques as elemental analysis, differential scanning calorimetry (DSC) and electron spin resonance (ESR), in addition to the characterisation performed by using chromatographic methods. The nature of adsorbate-adsorbent interactions was interpreted for the group of compounds studied. An attempt has been also made at solving the structure of surface complex formed.

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Authors and Affiliations

  1. Faculty of Chemistry, A. Mickiewicz University, Grunwaldzka 6, 60-780, Poznań, Poland

    R. Wawrzyniak & W. Wasiak

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  1. R. Wawrzyniak
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  2. W. Wasiak
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Correspondence to R. Wawrzyniak.

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Received: 9 July 2003

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Wawrzyniak, R., Wasiak, W. Silica Modified with Ketoimine Group-Containing Silane as an Adsorbent in Capillary Columns. Chromatographia 59, 205–211 (2004). https://doi.org/10.1365/s10337-003-157-9

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  • DOI: https://doi.org/10.1365/s10337-003-157-9

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