Reinforced microextraction of polycyclic aromatic hydrocarbons from polluted soil samples using an in‐needle coated fiber with polypyrrole/graphene oxide nanocomposite
作者: Mina BehfarAli Reza GhiasvandFatemeh Yazdankhah
作者单位: 1Department of Chemistry Lorestan University Khoramabad Iran
刊名: Journal of Separation Science, 2017, Vol.40 (14), pp.2975-2983
来源数据库: Wiley Journal
DOI: 10.1002/jssc.201700244
关键词: contaminated soilin‐needle coated fiberpolycyclic aromatic hydrocarbonspolypyrrole/graphene oxide nanocompositereinforced microextraction
原始语种摘要: The surface of a stainless‐steel wire was platinized using electrophoretic deposition method to create a high‐surface‐area with porous and cohesive substrate. The platinized fiber was coated by the polypyrrole/graphene oxide nanocomposite by electropolymerization and accommodated into a stainless‐steel needle to fabricate an in‐needle coated fiber. The developed setup was coupled to gas chromatography with flame ionization detection and applied to extract and determine polycyclic aromatic hydrocarbons (naphthalene, fluorene, phenanthrene, fluoranthene, and pyrene) in complicated solid matrices, along with reinforcement of the extraction by cooling the sorbent, using liquid carbon dioxide. To obtain the best extraction efficiency, the important experimental variables including extraction...
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