期刊
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
卷 25, 期 20, 页码 19546-19554出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-018-2047-6
关键词
Organophosphate esters; Gas chromatography-tandem mass spectrometry; Ion trap mass analyzer; Accelerated solvent extraction; Soils
资金
- Natural Science Foundation of Liaoning Province [20170520384]
- National Program on Key Basic Research Project of China (973 Program) [2014CB441100]
Through the optimization of extraction, purification, and determination parameters, a reliable and convenient analytical method for the simultaneous determination of 13 organophosphate esters in soils was developed. The method is based on one-step extraction and purification by accelerated solvent extraction and analysis by gas chromatography-ion trap tandem mass spectrometry. Under the optimal conditions, the method detection limits and method quantitation limits ranged from 0.10 to 0.22 ng/g and from 0.33 to 0.72 ng/g, respectively. The recoveries obtained were in the range of 81.7-107%, and the relative standard deviations were less than 12%. As compared to other methods, this proposed method was simple and time and solvent saving. The developed method was successfully applied to analyze organophosphate esters in soil samples collected from Liaohe estuarine wetland, China. Thirteen organophosphate esters were detected in all of the soil samples which indicated that Liaohe estuarine wetland has polluted by organophosphate esters.
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