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Triazine‐based organic polymers@SiO 2 nanospheres for sensitive solid‐phase microextraction of polycyclic aromatic hydrocarbons
Author(s) -
Li Chunying,
Sun Min,
Ji Xiangping,
Han Sen,
Feng Jiaqing,
Guo Wenjuan,
Feng Juanjuan
Publication year - 2020
Publication title -
journal of separation science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.72
H-Index - 102
eISSN - 1615-9314
pISSN - 1615-9306
DOI - 10.1002/jssc.201900941
Subject(s) - solid phase microextraction , extraction (chemistry) , repeatability , detection limit , solid phase extraction , chromatography , polymer , materials science , triazine , chemistry , analytical chemistry (journal) , mass spectrometry , gas chromatography–mass spectrometry , polymer chemistry , composite material
Triazine‐based organic polymers@SiO 2 nanospheres were prepared and applied as an extraction coating onto stainless steel wires and the wires were filled into polyetheretherketone tube for in‐tube solid‐phase microextraction. Taking polycyclic aromatic hydrocarbons as targets, main factors affecting extraction performance of the tube were investigated through coupling to high performance liquid chromatography. Under the optimum conditions, an online analytical method for polycyclic aromatic hydrocarbons was established with large linear ranges (0.010‐20 µg/L), low limits of detection (0.003‐0.010 µg/L), high enrichment factors (533‐2954), and good repeatability (relative standard deviations <1.7% for intraday test, <5.0% for interday test). The analysis method was successfully applied to the detection of trace targets in real water samples and the relative recoveries ranged from 82.9 to 119.9%, which demonstrated the applicability of extraction tube in sample preparation.