Preparation of Multiwalled Carbon Nanotubes-Hydroxyl-Terminated Silicone Oil Fiber and Its Application to Analysis of Crude OilsReport as inadecuate




Preparation of Multiwalled Carbon Nanotubes-Hydroxyl-Terminated Silicone Oil Fiber and Its Application to Analysis of Crude Oils - Download this document for free, or read online. Document in PDF available to download.

The Scientific World Journal - Volume 2014 2014, Article ID 758043, 10 pages -

Research Article

Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education, China University of Geosciences, Wuhan 430074, China

Faculty of Earth Resources, China University of Geosciences, 388 Lumo Road, Wuhan 430074, China

Received 31 August 2013; Accepted 22 October 2013; Published 22 January 2014

Academic Editors: M. B. Amran, T. G. Strein, and R. Zakrzewski

Copyright © 2014 Shukui Zhu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A simple and efficient method to analyze the volatile and semivolatile organic compounds in crude oils has been developed based on direct immersion solid-phase microextraction coupled to comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry DI-SPME-GC × GC-TOFMS. A novel fiber, multiwalled carbon nanotubes-hydroxyl-terminated silicone oil MWNTs-TSO-OH, was prepared by sol-gel technology. Using standard solutions, the extraction conditions were optimized such as extraction mode, extraction temperature, extraction time, and salts effect. With the optimized conditions, a real crude oil sample was extracted and then analyzed in detail. It shows that the proposed method is very effective in simultaneously analyzing the normal and branched alkanes, cycloalkanes, aromatic hydrocarbons, and biomarkers of crude oil such as steranes and terpanes. Furthermore, the method showed good linearity r > 0.999, precision RSD < 8%, and detection limits ranging from 0.2 to 1.6 ng-L.





Author: Shukui Zhu, Ting Tong, Wanfeng Zhang, Wei Dai, Sheng He, Zhenyang Chang, and Xuanbo Gao

Source: https://www.hindawi.com/



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