|
| Determination of 6 Triazine Herbicide Residues in Environmental Water Samples by Magnetic Graphene Oxide Solid Phase Extraction and High Performance Liquid Chromatography-Mass Spectrometry |
| |
| View Full Text Download reader |
| DOI： |
| KeyWord:oxidized graphene based magnetic nanoparticles magnetic solid-phase extraction(MSPE) trazine herbicide high performance liquid chromatography-mass spectrometry(HPLC-MS/MS) environmental water sample |
| Author | Institution |
| GUO Yu-tong，LI Xin-yue，GAO Shi-qian，GU Hai-dong，ZHANG Zhan-en* |
1.苏州科技大学环境科学与工程学院;2.苏州科技大学江苏省环境科学与工程重点实验室;3.苏州科技大学水处理技术与材料协同创新中心 |
|
| Hits: 1977 |
| Download times: 964 |
| Abstract: |
| An oxidized graphene based magnetic nanoparticles(GO-Fe3O4) was synthesized by one step,and used as the adsorbent for the magnetic solid-phase extraction(MSPE) of six triazine herbicides in environmental water samples prior to high performance liquid chromatography with mass spectrometry(HPLC-MS/MS).The synthesized material was characterized by scanning electron microscopy(SEM) and Fourier transform infrared spectrometry(FTIR).Various experimental parameters including amount of GO-Fe3O4，extraction time， pH values and ionic strength of sample solution and desorption conditions were optimized to improve the extraction efficiency. The limits of detection of the method ranged from 0.1 ng/L to 1.0ng/L,and the enrichment ranged from 616 to 902 for six triazine herbicides. The method was applied in the analysis of actual water samples from Taihu lake，canal and moat in Suzhou，with spiked recoveries of 85.4%-117.6% and relative standard deviations(RSDs) of 1.2%-10.0%.Attributed to its simplicity and rapid operation，high enrichment and low detection limit，this method could be used to analyze the trace residues of triazine herbicides in water samples. |
| Close |