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Journal of Analysis and Testing

, Volume 2, Issue 4, pp 322–331 | Cite as

Determination of Triazine Herbicides in Environmental Water Samples by Acetonitrile Inorganic Salt Aqueous Two-Phase Microextraction System

  • Shiqian GaoEmail author
  • Gege Wu
  • Xiaomeng Li
  • Jie Chen
  • Youyi Wu
  • Junxia Wang
  • Zhanen ZhangEmail author
Original Paper
  • 75 Downloads

Abstract

Acetonitrile inorganic salt aqueous two-phase extraction method was established for the determination of triazine herbicides (simeton, cyanazine, desmetryn, terbumeton, terbuthylazine and dimethametryn) in environmental water samples by high-performance liquid chromatography (HPLC). The extraction solvents types and volume of acetonitrile, the inorganic salt types and amount of (NH4)2SO4, extraction time and pH of sample solution were optimized by single-factor experiment and central composite design. Under the optimum extraction conditions, all linear ranges were obtained with coefficients of determination (r) ≥ 0.9993. The limits of detection for this proposed method were in the range of 0.16–0.28 μg/L for six triazine herbicides. The developed method has been successfully applied to the analysis of target triazine herbicides from lake, canal and moat in real-world water samples. The recoveries of target analytes were in the range from 87.0 to 110.9% and the relative standard deviation was lower than 7.3%.

Keywords

Acetonitrile inorganic salt Aqueous two-phase microextraction Triazine herbicides Environmental water samples High-performance liquid chromatography 

Notes

Acknowledgements

This work was supported by the major project of Natural Science Foundation of Jiangsu Higher Education Institutions of China (no: 15KJA610003), Natural Science Foundation of Jiangsu Province (no. BK20160359) and Natural Science and Technology Program on Water Pollution Control and Treatment (2017ZX07205-2). The authors also acknowledge support from the Preponderant Discipline Construction Project in higher education of Jiangsu Province, China and Jiangsu High Education Collaborative Innovation Center of Water Treatment Technology and Material.

Supplementary material

41664_2018_73_MOESM1_ESM.docx (2.3 mb)
Supplementary material 1 (DOCX 2341 kb)

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Copyright information

© The Nonferrous Metals Society of China 2018

Authors and Affiliations

  1. 1.School of Environmental Science and EngineeringSuzhou University of Science and TechnologySuzhouPeople’s Republic of China
  2. 2.Jiangsu Key Laboratory of Environmental Science and EngineeringSuzhou University of Science and TechnologySuzhouPeople’s Republic of China
  3. 3.National and Local Joint Engineering Laboratory of Municipal Sewage Resource Utilization TechnologySuzhouPeople’s Republic of China

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