title: Determination of decabrominated diphenyl ether in soils by Soxhlet extraction and high performance liquid chromatography.
abstract: This study described the development of a method based on Soxhlet extraction combining high performance liquid chromatography (Soxhlet-HPLC) for the accurate detection of BDE-209 in soils. The solvent effect of working standard solutions in HPLC was discussed. Results showed that 1:1 of methanol and acetone was the optimal condition which could totally dissolve the BDE-209 in environmental samples and avoid the decrease of the peak area and the peak deformation difference of BDE-209 in HPLC. The preliminary experiment was conducted on the configured grassland (1 μ g/g) to validate the method feasibility. The method produced reliable reproducibility, simulated soils (n = 4) RSD 1.0%, and was further verified by the analysis e-waste contaminated soils, RSD range 5.9-11.4%. The contamination level of BDE-209 in burning site was consistent with the previous study of Longtang town but lower than Guiyu town, and higher concentration of BDE-209 in paddy field mainly resulted from the long-standing disassembling area nearby. This accurate and fast method was successfully developed to extract and analyze BDE-209 in soil samples, showing its potential use for replacing GC to determinate BDE-209 in soil samples.
authors.affiliation: School of Environment and Energy, South China University of Technology, Guangzhou 510006, China.
authors.forename: Xing-Jian
authors.initials: XJ
authors.lastname: Yang
authors.forename: Zhi
authors.initials: Z
authors.lastname: Dang
authors.forename: Fang-Li
authors.initials: FL
authors.lastname: Zhang
authors.forename: Zhao-Ying
authors.initials: ZY
authors.lastname: Lin
authors.forename: Meng-Yao
authors.initials: MY
authors.lastname: Zou
authors.forename: Xue-Qin
authors.initials: XQ
authors.lastname: Tao
authors.forename: Gui-Ning
authors.initials: GN
authors.lastname: Lu
mesh_terms: D000096:Acetone; D002681:China; D002851:Chromatography, High Pressure Liquid; D057168:Distillation; D004581:Electronics; D052918:Environmental Restoration and Remediation; D005240:Feasibility Studies; D005374:Filtration; D055768:Halogenated Diphenyl Ethers / Q000032:analysis* / Q000302:isolation & purification; D000432:Methanol; D011786:Quality Control; D059027:Recycling; D012037:Refuse Disposal; D012987:Soil / Q000737:chemistry*; D012989:Soil Pollutants / Q000032:analysis* / Q000302:isolation & purification; D012997:Solvents; D064091:Waste Disposal Facilities; D014867:Water
chemical_list: D055768:Halogenated Diphenyl Ethers; D012987:Soil; D012989:Soil Pollutants; D012997:Solvents; D014867:Water; D000096:Acetone; C010902:decabromobiphenyl ether; D000432:Methanol