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<p>In this study, carbon spheres decorated with nickel nanoparticles (ACS@Ni NPs) were prepared through arginine-assisted hydrothermal treatment, followed by high-temperature carbonization in a nitrogen atmosphere. ACS@Ni NPs displayed uniform size and excellent monodispersity. The specific surface area increased from 9.03 m<sup>2</sup>/g to 428.69 m<sup>2</sup>/g after carbonization. The ACS@Ni NPs were employed as adsorbents in dispersive magnetic solid phase extraction (d-MSPE) to extract methylnaphthalene and acenaphthene. The adsorption capacities of ACS@Ni NPs for methylnaphthalene and acenaphthene were 1592.75&#xa0;μg&#xa0;g<sup>−1</sup> and 1652.83&#xa0;μg&#xa0;g<sup>−1</sup>, respectively. In addition, ACS@Ni NPs sustained adsorption efficiencies &gt; 90% even after ten reuse times. Coupled with high-performance liquid chromatography-ultraviolet detection technology, under the optimum experimental conditions, the detection limits of methylnaphthalene and acenaphthene were 0.58 and 0.12&#xa0;ng&#xa0;mL<sup>−1</sup>. The recoveries of methylnaphthalene and acenaphthene in all samples remained &gt; 95%, with relative standard deviations &lt; 4.5%. The results indicated that ACS@Ni NPs could be applied in environmental pollution treatment and sample preparation.</p>

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High-Efficiency Extraction of Methylnaphthalene and Acenaphthene in Farmland Water Using Magnetic Porous Carbon Spheres Derived from Nickel Decorated Phenolic Resin

  • 期刊论文

  • 发表日期：

    2024年12月31日

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  • Shi Yu,
  • Hong Pan,
  • Jianbin Ju,
  • Guangping Xia,
  • Yipeng Huang,
  • Guihua Ruan,
  • Fuyang Jiang

摘要

In this study, carbon spheres decorated with nickel nanoparticles (ACS@Ni NPs) were prepared through arginine-assisted hydrothermal treatment, followed by high-temperature carbonization in a nitrogen atmosphere. ACS@Ni NPs displayed uniform size and excellent monodispersity. The specific surface area increased from 9.03 m2/g to 428.69 m2/g after carbonization. The ACS@Ni NPs were employed as adsorbents in dispersive magnetic solid phase extraction (d-MSPE) to extract methylnaphthalene and acenaphthene. The adsorption capacities of ACS@Ni NPs for methylnaphthalene and acenaphthene were 1592.75 μg g−1 and 1652.83 μg g−1, respectively. In addition, ACS@Ni NPs sustained adsorption efficiencies > 90% even after ten reuse times. Coupled with high-performance liquid chromatography-ultraviolet detection technology, under the optimum experimental conditions, the detection limits of methylnaphthalene and acenaphthene were 0.58 and 0.12 ng mL−1. The recoveries of methylnaphthalene and acenaphthene in all samples remained > 95%, with relative standard deviations < 4.5%. The results indicated that ACS@Ni NPs could be applied in environmental pollution treatment and sample preparation.