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Related Experiment Video

Updated: Mar 21, 2026

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis
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Knitting aromatic polymers for efficient solid-phase microextraction of trace organic pollutants.

Shuqin Liu1, Qingkun Hu1, Juan Zheng1

  • 1MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China.

Journal of Chromatography. A
|May 9, 2016
PubMed
Summary

Novel knitting aromatic polymers (KAPs) were synthesized for solid-phase microextraction (SPME). These KAPs effectively extract benzene compounds (BTEX) and polycyclic aromatic hydrocarbons (PAHs) from water samples.

Keywords:
Benzene compoundsKnitting aromatic polymersMicroporous organic polymersPolycyclic aromatic hydrocarbonsSolid-phase microextraction

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Area of Science:

  • Polymer Chemistry
  • Analytical Chemistry
  • Environmental Science

Background:

  • Solid-phase microextraction (SPME) is a crucial technique for environmental analysis.
  • Developing novel materials with enhanced extraction capabilities is essential for improving SPME efficiency.
  • Microporous organic polymers (MOPs) offer unique properties for advanced separation applications.

Purpose of the Study:

  • To synthesize and characterize novel knitting aromatic polymers (KAPs) for SPME applications.
  • To evaluate the extraction efficiency of KAPs for benzene compounds (BTEX) and polycyclic aromatic hydrocarbons (PAHs).
  • To establish and validate analytical methodologies for determining BTEX and PAHs in environmental water samples using KAPs.

Main Methods:

  • One-step Friedel-Crafts alkylation for KAP synthesis.
  • Characterization using transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, and X-ray photoelectron spectroscopy (XPS).
  • Application of KAPs as SPME coatings for the extraction and determination of BTEX and PAHs.

Main Results:

  • KAPs exhibited large surface areas, unique pore structures, and high thermal stability.
  • KAPs demonstrated good extraction abilities for BTEX and PAHs.
  • Optimized methods showed wide linear ranges, low limits of detection (0.10-1.13 ng L⁻¹ for BTEX, 0.05-0.49 ng L⁻¹ for PAHs), and good reproducibility.
  • Successful application in environmental water samples with satisfactory recoveries (93.6-124.2% for BTEX, 77.2-113.3% for PAHs).

Conclusions:

  • Knitting aromatic polymers are effective materials for SPME applications.
  • The developed KAPs-based SPME methods are suitable for sensitive and reliable determination of BTEX and PAHs in environmental water.
  • This study sets a benchmark for utilizing novel microporous organic polymers in SPME.