In-tube solid-phase microextraction of polycyclic aromatic hydrocarbons from refinery water samples using UiO-66/polyacrylonitrile electrospun nanofibers followed by high-performance liquid chromatography-ultraviolet detection

IF 2.8 3区 工程技术 Q2 CHEMISTRY, ANALYTICAL Journal of separation science Pub Date : 2024-09-14 DOI:10.1002/jssc.202400296
Seyedeh Sara Nasrollahi, Yadollah Yamini
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Abstract

A simple and quick fiber-in-tube solid-phase microextraction (FIT-SPME) was introduced for the extraction and determination of nine polycyclic aromatic hydrocarbons followed by a high-performance liquid chromatography-ultraviolet detector in refinery water samples. For this purpose, a water-resistant metal-organic framework with a high surface area called UiO-66 has been applied in the form of an electrospun coating on stainless steel wires. After that, all the fibers were packed in the lumen of a stainless-steel tube to make the extraction phase. Both one variable at a time and experimental design methods have been used to optimize effective parameters on FIT-SPME. Under optimum conditions, the method demonstrated good linearity between 0.5 and 1000.0 µg/L with a coefficient of determination greater than 0.9906. Furthermore, the limits of detection values ranged from 0.2 to 1.5 µg/L. The intra-day and inter-day relative standard deviations were < 8.4% and < 9.7%, respectively. Lastly, the proposed method was applied to extract and determine analytes in four refinery water samples as well as surface water containing high total dissolved solids, and well waters where satisfactory results have been obtained.

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使用 UiO-66/ 聚丙烯腈电纺纳米纤维对炼油厂水样中的多环芳烃进行管内固相微萃取,然后进行高效液相色谱-紫外检测
本文介绍了一种简便快捷的管中纤维固相微萃取(FIT-SPME)方法,用于萃取和测定炼油厂水样中的九种多环芳烃,然后用高效液相色谱-紫外检测器进行检测。为此,一种名为 UiO-66 的高比表面积防水金属有机框架以电纺涂层的形式被应用于不锈钢丝上。然后,将所有纤维装入不锈钢管的管腔中,形成萃取阶段。采用逐次变量法和实验设计法对 FIT-SPME 的有效参数进行了优化。在最佳条件下,该方法在 0.5 至 1000.0 µg/L 范围内线性关系良好,测定系数大于 0.9906。此外,检出限为 0.2 至 1.5 µg/L。日内和日间相对标准偏差分别为 8.4% 和 9.7%。最后,将所提出的方法用于提取和测定四种炼油厂水样以及含有高溶解总固体的地表水和井水中的分析物,结果令人满意。
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来源期刊
Journal of separation science
Journal of separation science 化学-分析化学
CiteScore
6.30
自引率
16.10%
发文量
408
审稿时长
1.8 months
期刊介绍: The Journal of Separation Science (JSS) is the most comprehensive source in separation science, since it covers all areas of chromatographic and electrophoretic separation methods in theory and practice, both in the analytical and in the preparative mode, solid phase extraction, sample preparation, and related techniques. Manuscripts on methodological or instrumental developments, including detection aspects, in particular mass spectrometry, as well as on innovative applications will also be published. Manuscripts on hyphenation, automation, and miniaturization are particularly welcome. Pre- and post-separation facets of a total analysis may be covered as well as the underlying logic of the development or application of a method.
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