Determination of Polycyclic Aromatic Hydrocarbons（PAHs） in Plant Leaf Samples by Silica Gel Column and Gel Column Purification/Gas Chromatography-Mass Spectrometry

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Determination of Polycyclic Aromatic Hydrocarbons（PAHs） in Plant Leaf Samples by Silica Gel Column and Gel Column Purification/Gas Chromatography-Mass Spectrometry

- Determination of Polycyclic Aromatic Hydrocarbons（PAHs） in Plant Leaf Samples by Silica Gel Column and Gel Column Purification/Gas Chromatography-Mass Spectrometry
- Vol. 35, Issue 9, Pages: 1185-1190(2016)
- 作者机构：
  
  1. 北京林业大学理学院
  2. 北京林业大学林木育种国家工程实验室
  3. 中持依迪亚（北京）环境监测分析股份有限公司
- 作者简介：
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Determination of Polycyclic Aromatic Hydrocarbons（PAHs） in Plant Leaf Samples by Silica Gel Column and Gel Column Purification/Gas Chromatography-Mass Spectrometry. [J]. 35(9):1185-1190(2016)
DOI：

Determination of Polycyclic Aromatic Hydrocarbons（PAHs） in Plant Leaf Samples by Silica Gel Column and Gel Column Purification/Gas Chromatography-Mass Spectrometry. [J]. 35(9):1185-1190(2016) DOI：

摘要

建立了索氏提取-硅胶柱和凝胶柱净化/气相色谱-质谱联用（GC-MS）测定植物叶片中多环芳烃的分析方法。叶片中的多环芳烃经二氯甲烷-正己烷（体积比1∶1）索氏提取，提取液采用硅胶柱和凝胶柱两步净化（手填硅胶柱和GPC柱）后，进行GC-MS测定，根据保留时间和特征离子进行定性，内标法定量。方法检出限为0.025 1~5.80 ng/g，加标回收率为82.2%~130%，相对标准偏差不大于11%。该方法能有效去除植物叶片中的色素与油脂，适用于植物叶片中多组分多环芳烃的痕量分析，为测定植物组织内多环芳烃的含量提供了技术支撑。

Abstract

A method was developed for the analysis of polycyclic aromatic hydrocarbons（PAHs） in plant leaves by gas chromatography-mass spectrometry（GC-MS） based on silica gel column and gel permeation chromatography（GPC） purification.The target analytes in leaf samples were extracted with dichloromethane-hexane（1∶1，by volume） solution，purified with silica gel column and GPC column，analyzed by GC-MS，and then quantified by the internal standard method.The average recoveries of 15 PAHs were in the range of 82.2%-130% with relative standard deviations（RSD） not more than 11%.The detection limit（LOD） of this method varied from 0.025 1 ng?g-1 to 5.80 ng?g-1.This method could effectively remove the pigment and oil in the plant leaves，suitable for the trace analysis of PAHs in leaf samples，and providing a technical support for the determination of content of PAHs in the plant tissues.

关键词

索氏提取硅胶柱凝胶柱多环芳烃气相色谱-质谱联用（GC-MS）植物

Keywords

soxhlet extractionsilica gel columngel permeation chromatography（GPC）polycyclic aromatic hydrocarbons（PAHs）gas chromatography-mass spectrometry（GC-MS）plant

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Hunan Provincial Key Laboratory of Food Science and Biotechnology，College of Food Science and Technology Hunan Agricultural University

Hunan Agricultural Product Processing Institute，Hunan Academy of Agricultural Sciences

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上海化工研究院上海稳定性同位素工程技术研究中心

东莞理工学院化学与环境工程学院

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