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Inverse gas chromatographic characterization of Porapak Q as an extractant of pollutants from aqueous media

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Abstract

The surface of Porapak Q was characterized by inverse gas chromatography (IGC) carried out by the determination of dispersive and specific adsorption components of Porapak Q surface, calculating γ ds and -ΔH sa parameters, respectively. An interpretation was given based on the chemical structure of Porapak Q. The obtained results were confirmed through the surface Lewis acidity and basicity constants, K a and K b, respectively, correlating well with the determined thermodynamic parameters.

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Authors and Affiliations

  1. Egyptian Petroleum Research Institut, 11727, Nasr City, Cairo, Egypt

    Nagy E. Moustafa & Doaa S. El-Desouki

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  1. Nagy E. Moustafa
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  2. Doaa S. El-Desouki
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Correspondence to Nagy E. Moustafa.

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Moustafa, N.E., El-Desouki, D.S. Inverse gas chromatographic characterization of Porapak Q as an extractant of pollutants from aqueous media. Chem. Pap. 63, 371–376 (2009). https://doi.org/10.2478/s11696-009-0014-x

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  • DOI: https://doi.org/10.2478/s11696-009-0014-x

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