Citation:
LI Jian, WANG Yi-Fei, ZHOU Xian-Qing, SHI Zhi-Xiong. Determination of 18 Brominated Flame Retardants in Dairy Product by Gel Permeation Chromatography-Solid Phase Extraction Coupled to Gas Chromatography-Mass Spectrometry and High Performance Liquid Chromatography-Tandem Mass Spectrometry[J]. Chinese Journal of Analytical Chemistry,
;2016, 44(11): 1742-1747.
doi:
10.11895/j.issn.0253-3820.160244
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A novel method was developed for the simultaneous determination of 6 novel brominated flame retardants (NBFRs), 8 polybrominated diphenyl ethers (PBDEs), tetrabromobisphenolA (TBBPA) and α, β, γ-hexabromocyclododecane (α, β, γ-HBCD) in dairy product. Dairy product samples were extracted using soxhlet extraction with acetone/hexane (1:1, V/V). The removal of co-extracted materials was achieved by gel permeation chromatography followed by acidified silica treatment. The fractionation of the PBDEs/NBFRs and HBCD/TBBPA was performed using a Supelco LC-Si SPE cartridge. The detection of the PBDEs and NBFRs was then performed by GC-NCI/MS, and that of the HBCDs and the TBBPA was performed using HPLC-MS/MS. A recovery test was performed using a matrix spiking test and for most of the analytes the recoveries ranged from 80.1% to 114.7% with RSDs equal to or lower than 14.9%. The LODs were 0.2-119.2 pg/g. This methodology was validated to be accurate and sensitive for the simultaneous pretreatment and analysis of brominated flame retardants in dairy product.
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