Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 1469, Issue -, Pages 17-24Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chroma.2016.09.056
Keywords
Graphene oxide framework; Phenylurea herbicides; Solid phase extraction; High performance liquid chromatography; Water; Celery sample
Funding
- National Natural Science Foundation of China [31571925, 31471643, 31671930]
- Innovation Research Program of the Department of Education of Hebei for Hebei Provincial Universities [LJRC009]
- National Natural Science Foundation of Hebei Province [B2016204136, B2016204146]
- Scientific and Technological Research Foundation of the Department of Education of Hebei Province [ZD2016085]
- Natural Science Foundation of Agricultural University of Hebei [LG201607]
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1,4-Phenyldiboronic acid (1,4-PDBA) linked graphene oxide framework (GOF) was prepared via an one-step, catalyst-free and hydrothermal route. To evaluate its adsorption performance, the prepared GOF was served as an adsorbent for solid phase extraction of phenylurea herbicides (PUHs) from water and celery samples prior to their determination by high performance liquid chromatography. The results indicated that GOF exhibited excellent adsorption capacity for the target PUHs. Under the optimum conditions, the method showed high recoveries ranged from 86.0% to 112.0%, low relative standard, deviations (<5.4%) and low limits of detection ranged from 0.01 to 0.02 ng mL(-1) for water and 0.025-0.050 ng g(-1) for celery sample, respectively. These results indicated the great application potential of GOF in the enrichment of organic pollutants from different matrix samples. (C) 2016 Elsevier B.V. All rights reserved.
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