Evaluation of IL-ATPS and IL-MAE for Simultaneous Determination of Herbicides and Plant Growth Regulators in Sediment

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• 作者：Sheying Dong (1) (2)
  Guiqi Huang (1)
  Qing Hu (1)
  Ling Shi (1)
  Yahong Yao (1)
  Tinglin Huang (2)
  
• 关键词：Column liquid chromatography ; Two ; phase system ; Microwave ; Ionic liquid ; Sediment samples ; Herbicides and plant growth regulators
• 刊名：Chromatographia
• 出版年：2014
• 出版时间：July 2014
• 年：2014
• 卷：77
• 期：13-14
• 页码：923-931
• 全文大小：1,146 KB
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• 作者单位：Sheying Dong (1) (2)
  Guiqi Huang (1)
  Qing Hu (1)
  Ling Shi (1)
  Yahong Yao (1)
  Tinglin Huang (2)
  
  1. College of Sciences, Xi’an University of Architecture and Technology, Xi’an, 710055, China
  2. School of Environmental and Municipal Engineering, Xi’an University of Architecture and Technology, Xi’an, 710055, China
  
• ISSN：1612-1112

文摘

Two analytical methods, an ionic liquid/salt aqueous two-phase system (IL-ATPS) and ionic liquid-based microwave-assisted extraction procedure (IL-MAE), were evaluated for simultaneous extraction and determination of herbicides (2,4-dichlorophenoxy acetic acid, bensulfuron) and plant growth regulators (kinetin, 6-benzylaminopurine, uniconazole) in sediment followed by high-performance liquid chromatography with the diode-array detector. The experimental parameters of two methods including the volume of ionic liquid (IL), pH, the extraction temperature and the amount of salt were studied. Under the optimum conditions, the limits of detection were in the range of 0.001-.004?μg?g? for IL-ATPS and 0.002-.04?μg?g? for IL-MAE procedure, respectively. Relative standard deviations (RSD, n?=?5) and recoveries were in the range of 2.4-.3?% and 95-8?%, respectively for IL-ATPS, 1.0-2.0?% and 83-27?% for IL-MAE procedure except for bensulfuron. The recoveries obtained by means of IL-ATPS were higher than that by means of other methods. In addition, the IL-ATPS has the advantages of small amount of IL consumption and small systematic errors, which was applied to the simultaneous determination of the above five target analytes in actual sediment samples.