Magnetic graphene solid-phase extraction in the determination of polycyclic aromatic hydrocarbons in water

Abstract

Magnetic graphene nanocomposite was fabricated and applied to the extraction of PAHs in water, followed by GC-MS. The method showed a good linearity. The limits of detection (S/N = 3) were in a range between 0.02–14.3 ng L−1.

Synthesis, characterization and sorption studies of aromatic compounds by hydrogels of chitosan blended with β-cyclodextrin- and PVA-functionalized pectin

“…Nowadays many materials have been used in the remediation of water contaminated with MAHs and PAHs, such as activated carbon, zeolites, microorganisms, among others. [8][9][10][11][12] However, these methods show some drawbacks, including the removal of trace amounts of those hydrocarbons and the cost related to pre-and post-treatments is considerable. 8 The use of low cost and environmentally friendly sorbents in the remediation of contaminated environments, especially those consisting of natural polymers, have been receiving signicant interest in the last decades.…”

Fabric phase sorptive extraction combined with gas chromatography-mass spectrometry as an innovative analytical technique for the determination of selected polycyclic aromatic hydrocarbons in herbal infusions and tea samples

“… 32 Satisfactory extraction efficiencies were observed with toluene due to its low polarity and its aromatic character that results in π–π interactions among the solvent and the PAHs. 33 A slight enhancement of the extraction efficiency of pyrene was observed with the use of n -hexane as an elution solvent. However, n -hexane belongs to the undesirable solvents for laboratory use, while toluene is considered “usable” based on the Pfizer solvent selection guide.…”

Development of an Online Instrument for Continuous Gaseous PAH Quantification: Laboratory Evaluation and Comparison with The Offline Reference UHPLC-Fluorescence Method

“…The development of adsorbents capable of specifically trapping PAH, or at least polyaromatic compounds, would be a promising way of solving this issue. Some work has already been initiated to develop such adsorbents for PAH water depollution [45][46][47][48].…”