Citation: Ru Song Zhao, Xia Wang, Jin Peng Yuan, Shan Shan Wang, Chuan Ge Cheng. Trace determination of hexabromocyclododecane diastereomers in water samples with temperature controlled ionic liquid dispersive liquid phase microextraction[J]. Chinese Chemical Letters, ;2011, 22(1): 97-100. doi: 10.1016/j.cclet.2010.07.010 shu

Trace determination of hexabromocyclododecane diastereomers in water samples with temperature controlled ionic liquid dispersive liquid phase microextraction

Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Analysis and Test Center, Shandong Academy of Sciences, Jinan 250014, China

Received Date: 4 May 2010

Fund Project: This work was financially supported by National Water Pollution Control and Management Technology Major Projects (No.2009ZX07210-009),Scientific and Technological Developing Project of Shandong Province (No.2009GG20001021-9),Open Research Fund Program of Shandong Provincial Key Laboratory of Eco-Environmental Science for Yellow River Delta (No.2009KFJJ01),Basic Foundation of Shandong Academy of Sciences and Analysis and Test center of Shandong province.

A novel temperature controlled ionic liquid dispersive liquid phase microextraction (TCIL-DLPME) coupled with rapid resolution liquid chromatography-electrospray tandem mass spectrometry (RRLC-ESI-MS-MS) has been developed for the enrichment and determination of three hexabromocyclododecane diastereomers (HBCDs) in water samples.Green solvent ionic liquid (IL) was used as extraction solvent instead of toxic organic solvents.This technique also avoided the usage of dispersive solvent.Some important parameters that might affect the extraction efficiency were optimized.Under the optimum conditions, good linear relationship, sensitivity and reproducibility were obtained.All the limits of detection for the three diastereomers were 0.1 ng/mL.The linear range was obtained in the range of 1-100 ng/mL for the total amount of three HBCD diastereomers.It was satisfactory to analyze real environmental water samples with the recoveries ranging from 77.2% to 99.3%.The main advantage of the method is toxic organic solvent-free.
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