Journal
JOURNAL OF SEPARATION SCIENCE
Volume 41, Issue 19, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jssc.201800630
Keywords
covalent triazine-based frameworks; environmental samples; liquid chromatography; magnetic solid-phase extraction; phenols
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Funding
- National Natural Science Foundation of China [21777089, 21477068]
- Natural Science Foundation of Shandong Province [ZR2018MB040]
- Key Research and Development Program of Shandong Province [2017GSF17107]
- Shandong Province Taishan Scholar Program [ts201712063]
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This study demonstrates for the first time the enrichment potential of covalent triazine-based frameworks/iron oxide for the magnetic solid-phase extraction of seven typical polar phenolic pollutants. Important parameters, such as the eluant and its volume, adsorbent amounts, sample pH, extraction time, and ionic strength, were optimized in detail. Under the optimal conditions, low limits of detection (0.09-0.53ng/mL), wide linear range (25-2000ng/mL), good repeatability (1.2-8.3%) and reproducibility (1.5-9.9%) were achieved. The developed method was successfully applied to analyze the target phenols at trace levels in environmental water samples.
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