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Issue 51, 2017
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A graphene-based porous carbon material as a stationary phase for gas chromatographic separations

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Abstract

This work presents the separation performance of a 3D graphene-based porous carbon material (GPCM) as a new stationary phase for capillary gas chromatography (GC). The statically coated GPCM column showed a column efficiency of 3210 plates per m and weak polar nature. Its resolving capability and retention behaviours were investigated by using structural and positional isomers and a complex mixture covering analytes of diverse types. The GPCM column exhibits high resolution for nonpolar to polar isomers and analytes of wide ranging variety. It also displays a different retention mechanism from the commercial polysiloxane column, showing preferential retention of alcohols, aromatics and halogenated compounds. In addition, the GPCM column exhibited good column repeatability and reproducibility with RSD values on retention times in the range of 0.01–0.03% for intra-day, 0.06–0.36% for inter-day and 0.44–2.1% for between-column, respectively. The advantageous separation performance shows the good potential of the GPCM stationary phase for GC analysis.

Graphical abstract: A graphene-based porous carbon material as a stationary phase for gas chromatographic separations

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Publication details

The article was received on 28 Apr 2017, accepted on 16 Jun 2017 and first published on 23 Jun 2017


Article type: Paper
DOI: 10.1039/C7RA04774F
RSC Adv., 2017,7, 32126-32132
  • Open access: Creative Commons BY-NC license
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    A graphene-based porous carbon material as a stationary phase for gas chromatographic separations

    X. Yang, C. Li, M. Qi and L. Qu, RSC Adv., 2017, 7, 32126
    DOI: 10.1039/C7RA04774F

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