On-site sampling and detection of trace polycyclic aromatic hydrocarbons in environmental water with highly efficient solid-phase microextraction tubes

ZHENG Meijie; HUANG Yu; LI Xiujuan

doi:10.13300/j.cnki.hnlkxb.2025.01.011

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On-site sampling and detection of trace polycyclic aromatic hydrocarbons in environmental water with highly efficient solid-phase microextraction tubes

Resources and environment | 更新时间：2026-11-05

- On-site sampling and detection of trace polycyclic aromatic hydrocarbons in environmental water with highly efficient solid-phase microextraction tubes
- Journal of Huazhong Agricultural University Vol. 44, Issue 1, Pages: 105-112(2025)
- 作者机构：
  
  华中农业大学食品科学技术学院/环境食品学教育部重点实验室/ 果蔬加工与品质调控湖北省重点实验室，武汉 430070
- 作者简介：
- 基金信息：
- DOI：10.13300/j.cnki.hnlkxb.2025.01.011
  CLC： O658
- Received：29 May 2024，
  
  Published：15 January 2025
- 稿件说明：
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郑美杰，黄语，李秀娟.高效固相微萃取管在环境水中痕量多环芳烃现场采样检测的应用［J］.华中农业大学学报，2025，44（1）：105‐112.

ZHENG Meijie,HUANG Yu,LI Xiujuan.On-site sampling and detection of trace polycyclic aromatic hydrocarbons in environmental water with highly efficient solid-phase microextraction tubes[J].Journal of Huazhong Agricultural University,2025,44(01):105-112.
郑美杰，黄语，李秀娟.高效固相微萃取管在环境水中痕量多环芳烃现场采样检测的应用［J］.华中农业大学学报，2025，44（1）：105‐112. DOI： 10.13300/j.cnki.hnlkxb.2025.01.011.

ZHENG Meijie,HUANG Yu,LI Xiujuan.On-site sampling and detection of trace polycyclic aromatic hydrocarbons in environmental water with highly efficient solid-phase microextraction tubes[J].Journal of Huazhong Agricultural University,2025,44(01):105-112. DOI： 10.13300/j.cnki.hnlkxb.2025.01.011.

摘要

为实现环境水中痕量污染物的现场采样，研制大容量固相微萃取（solid-phase microextraction，SPME）萃取管，构建现场SPME（on-site SPME）采样装置，以邻苯二甲酸酯和多环芳烃（polycyclic aromatic hydrocarbons，PAHs）为研究对象，采用气相色谱-氢火焰离子化检测器，评价萃取管和on-site SPME装置的性能。结果显示：萃取管性能稳定、重现性好，单根萃取管的萃取量为针式萃取头的13~31倍；采样装置组装灵活、携带方便；使用3根萃取管采样装置建立的on-site SPME方法对水中4种PAHs的检出限为0.01~0.04 ng/L，灵敏度较单根萃取管提高6~14倍，比针式萃取头提高36~53倍；不同加标水平下回收率为92.0%~115.7%，相对标准偏差为1.5%~13.1%。研究结果表明，该装置富集能力强、组装灵活、能够自动化采样，可以用于环境水中不同污染物的高效监测。

Abstract

A solid-phase microextraction （SPME） tube with large-capacity was developed and an on-site SPME sampling device was constructed to realize on-site sampling of trace pollutants in environmental water. Phthalates and polycyclic aromatic hydrocarbons （PAHs） were used to evaluate the performance of the SPME tubes and the on-site SPME device with gas chromatography-hydrogen flame ionization detector. The results showed that the extraction tube had stable performance and good reproducibility， and the extraction amount of a single extraction tube was 13-31 times that of a needle extraction head. The sampling device is flexible to be assembled and easy to be carried. The limit of detection of the on-site SPME method established with a sampling device of three extraction tubes was 0.01-0.04 ng/L for four types of PAHs in water. The sensitivity of the on-site SPME was 6-14 times higher than that of a single extraction tube and 36-53 times higher than that of a needle extraction head. The rate of recovery at different spiked levels was 92.0% to 115.7%， with a relative standard deviation of 1.5% to 13.1%. It is indicated that the constructed device has strong enrichment capacity， flexible assembly， and can be automated and used for efficient monitoring of different pollutants in environmental water.

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references

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