Lanthanum(II)-trimesic acid MOF as Novel Sorbent for Solid-phase Extraction Coupled with HPLC for Determination of Polycyclic Aromatic Hydrocarbons in Water

摘要

Lanthanum(II)-trimesic acid metal organic framework (LTAMOF) material, which name is MOF, was prepared and explored as sorbent material for solid-phase extraction (SPE) coupled with HPLC for determination of trace polycyclic aromatic hydrocarbons (PAHs) in environmental matrices. In this paper, the LTAMOF was prepared by hydrothermal method and characterized by SEM, TG and XRD etc. The factors that affected the adsorption efficiency of LTAMOFs was discussed, such as the mass of sorbent, and the volume of water sample, and so on. In the optimum conditions, eight kinds of PAHs including naphthalene, acenaphthylene, acenaphthene. phenanthrene, anthracene, fluoranthene, pyrene and benzanthracene in water, were extracted and the extraction efficiency is satisfactory.