J4 ›› 2011, Vol. 49 ›› Issue (03): 554-558.
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LI Yu, WANG Ting, HU Yan, WANG Xiajiao
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Abstract:
A method for the determination of decabrominated diphenyl ether (BDE209) in surficial sediments was developed based on solidification of floating organic drop coupled with ultrasonicassisted dispersive liquidliquid microextraction (UAEDLLMESFO) and genetic algorithm neural network (GANN) model. The established UAEDLLMESFOHPLC method has a wide linear range (2— 9 595 ng/g) with R2=0.999 4. The limit of detection (LOD, S/N=3) and limit of quantitation (LOQ, S/N=10) of the proposed method were 0.6 ng/g and 2.0 ng/g, respectively. The recovery of added BDE209 in the real samples at BDE209 level of 434.4 ng/g was 98.20% (RSD=5.2%, n=3).
Key words: decabrominated diphenyl ether, genetic algorithm neural network, solidification of floating organic drop, dispersive liquidliquid microextraction, high performance liquid chromatography
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LI Yu, WANG Ting, HU Yan, WANG Jia-Jiao. Determination of Decabrominated Diphenyl Ether inSurficial Sediments Based on UAEDLLMESFOHPLC[J].J4, 2011, 49(03): 554-558.
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