4.6 Article

Solid phase extraction of carbamate pesticides with banana peel derived hierarchical porous carbon prior to high performance liquid chromatography

Journal

ANALYTICAL METHODS
Volume 9, Issue 4, Pages 593-599

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ay02678h

Keywords

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Funding

  1. National Natural Science Foundation of China [31571925, 31471643, 31671930]
  2. Innovation Research Program of the Department of Education of Hebei for Hebei Provincial Universities [LJRC009]
  3. Natural Science Foundation of Hebei Province [B2016204136, B2016204146]
  4. Scientific and Technological Research Foundation of the Department of Education of Hebei Province [ZD2016085]
  5. Natural Science Foundation of Agricultural University of Hebei [LG201607]

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In this work, biomass derived hierarchical porous carbon (BHPC) was prepared via a facile, cost-effective and green route by carbonizing banana peel waste. Textural characterization shows that the material possesses hierarchical pores and a large Brunauer-Emmett-Teller surface area of 561.8 m(2) g(-1). The BHPC was used as a solid phase extraction sorbent for the enrichment of carbamate pesticides from cucumber and watermelon samples coupled with high-performance liquid chromatography with a diode array detector. Under the optimal conditions, good linearity was obtained in the concentration range of 0.2-80.0 ng g(-1) for propoxur and bassa, and 0.5-80 ng g(-1) for isoprocarb, with a correlation coefficient (r) larger than 0.9969. The limits of detection of the method were in the range of 0.05-0.20 ng g(-1). The results show that BHPC has great potential to be applied for the isolation and preconcentration of organic analytes from complex matrices.

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