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- W2746366971 abstract "Extraction of trace level persistent organic pollutants is an important issue in water samples. So in this work, p(HEMAPA) monolithic columns were developed as a novel kind of solid-phase extraction adsorbents, as well as p(HEMAPA) solid-phase extraction (SPE) adsorbent was coupled with high-performance liquid chromatography (HPLC) (p(HEMAPA-HPLC) for the determination of benzo[a]pyrene (BaP) on-line mode. After p(HEMAPA-HPLC) parameters including the injection volume, flow rate, and the sample volume had been optimized in detail, BaP separation procedures on the p(HEMAPA-HPLC) containing mobile phase, different amounts of BaP, and reusability were performed. Advantages of this procedure are low quantitation limits (0.05–1.0 ng/mL), short extraction time, low consumption of organic solvents, and ease of automation and operation of the whole analysis. The experimental results indicated that p(HEMAPA-HPLC) allowed for one-step BaPs extraction, clean-up and analytical determination under the optimal conditions. The reusability of BaPs from water samples was 99.7% with a negligible capacity decrease after ten adsorption–desorption cycles. The method detection limit (MDL), relative standard deviation (RSD) and recovery were obtained as 0.007 ng/mL, 0.26%, and 97.0%, respectively. It was concluded that p(HEMAPA) monolithic column coupled with HPLC was an excellent alternative for the routine analysis of BaPs at trace level." @default.
- W2746366971 created "2017-08-31" @default.
- W2746366971 creator A5079827475 @default.
- W2746366971 date "2017-04-01" @default.
- W2746366971 modified "2023-09-25" @default.
- W2746366971 title "Preparation of Hydrophobic Monolithic Columns for On-line Solid-phase Extraction Coupled with HPLC for the Determination of Trace Level Benzo[a]pyrene" @default.
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- W2746366971 doi "https://doi.org/10.15671/hjbc.2017.147" @default.
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