▎ 摘　　要

Graphene oxide is widely-used for many applications because of its surface area and the variety of oxygen functional groups that possess. This latter feature allows it to be a good candidate for polar compounds adsorption such as furfural. Furfural is a toxic compound that has been detected in a wide variety of foods of daily consumption. Frequent exposure in high doses can represent a risk to human health. In the present work, it is proposed an easy procedure to obtain reduced graphene oxide based coatings through dip-coating for Solid Phase Micro-Extraction (SPME) of furfural. The coatings were made with graphene oxide and carboxylated graphene oxide. These coatings were thermally reduced and then tested using a furfural standard. The thermally reduced graphene oxide coatings were characterized using FT-IR, Raman spectroscopy and SEM. SEM micrographs revealed that graphene oxide based fibers had thickness values between 1.5 and 2.5 mu m approximately. Subsequently the results of furfural extraction were compared with those obtained from the Divinylbenzene/Carboxen/Polydimethylsiloxane (DVB/CAR/PDMS) commercial fibers. (C) 2018 Elsevier B.V. All rights reserved.