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Issue 9, 2018
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Assessment of graphene aerogel matrix solid-phase dispersion as sample preparation for the determination of chlorophenols in soil

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Abstract

Herein, three-dimensional (3D) graphene aerogels (GAs) were synthesized successfully by a simple hydrothermal reduction method and introduced as dispersing materials of matrix solid-phase dispersion (MSPD) for the determination of six chlorophenols (CPs) in soil samples via high performance liquid chromatography (HPLC). Fourier-transform infrared spectroscopy (FTIR), Raman spectroscopy (Raman), transmission electron microscopy (TEM), scanning electron microscopy (SEM), powder X-ray diffraction (XRD), and N2 adsorption–desorption transmission were applied to characterize the synthesized GAs. The GA-SPE-HPLC-UV method shows low limits of detection (0.02–0.10 μg L−1), wide linear ranges (50–1000 μg L−1), and acceptable reproducibility (relative standard deviation, RSD < 6.8% for intra-day, RSD < 8.6% for inter-day). Moreover, the method was further applied for the analysis of six CPs in real samples with good recoveries (86.1–111.1%) and satisfactory precision (RSD < 9.8%). The GAs are more effective in CP adsorption than commercial C18 (octadecylsilane) and SWCNTs (single-walled carbon nanotubes). It is confirmed that the proposed method has high sensitivity, outstanding selectivity, and good reproducibility towards the determination of trace CPs in the soil.

Graphical abstract: Assessment of graphene aerogel matrix solid-phase dispersion as sample preparation for the determination of chlorophenols in soil

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Publication details

The article was received on 26 Feb 2018, accepted on 19 Mar 2018 and first published on 20 Mar 2018


Article type: Paper
DOI: 10.1039/C8NJ00942B
Citation: New J. Chem., 2018,42, 6778-6784
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    Assessment of graphene aerogel matrix solid-phase dispersion as sample preparation for the determination of chlorophenols in soil

    X. Wang, T. Du, J. Wang, H. Kou, X. Du and X. Lu, New J. Chem., 2018, 42, 6778
    DOI: 10.1039/C8NJ00942B

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