ORIGINAL RESEARCH
Determination of Bisphenol A and 4-Nonylphenol
in Water Using Ionic Liquid Dispersive Liquid
Phase Microextraction
Aide Sun1,2, Qingcai Xu1,2, Xingxiu Yu1,2
1Shandong Provincial Key Laboratory of Soil Conservation and Environmental Protection, Linyi University,
Linyi, Shandong, 276005, PR China
2School of Resource and Environment, Linyi University, Linyi, Shandong, 276005, PR China
Linyi, Shandong, 276005, PR China
2School of Resource and Environment, Linyi University, Linyi, Shandong, 276005, PR China
Pol. J. Environ. Stud. 2013;22(3):899–907
KEYWORDS
dispersive liquid phase microextractionendocrine disrupting compoundsionic liquidresponse surface methodwater
ABSTRACT
A response surface optimization based on ionic liquid dispersive liquid phase microextraction was
developed for analysis of the endocrine disrupting compounds bisphenol A and 4-nonylphenol in water samples.
The volume of the extraction solvent, volume of dispersive solvent, and pH were found to have significant
effects on the response. Analysis of variance indicated that the model was significant at a high level. The
reproducibility was investigated in six replicate experiments under optimum conditions. Taken together, these
results indicated that the developed method would be a useful green method for rapid determination of bisphenol
A and 4-nonylphenol at trace levels in tap and surface waters.
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