Magnetic microsphere-confined graphene for the extraction of polycyclic aromatic hydrocarbons from environmental water samples coupled with high performance liquid chromatography–fluorescence analysis
Weina Wang, Ruiyang Ma, Qiuhua Wu, Chun Wang, Zhi Wang
• A magnetic microsphere-confined graphene Fe3O4@SiO2-G was synthesized via chemical bonding. • It was an efficient adsorbent for the pre-concentration of some PAHs from water sample. • It was more stable and could be reused for more than 30 times.