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Method for the Analysis of Polybrominated Biphenyls(PBBs) in Environmental Samples
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2002, v.15 no.3, pp.14-316
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(2002). Method for the Analysis of Polybrominated Biphenyls(PBBs) in Environmental Samples. Analytical Science and Technology, 15(3), 14-316.
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Abstract
extraction methods of PBBs from environmental samples by soxhlet extraction for solid phase and liquid-liquid extraction for liquid phase were compared. After extraction, silicagel and florisil as column clean up methods were used for the comparison of cleanup efficiency with different solvent system. Also, the analytical instruments were used GC/MSD.The 22 kinds of PBBs standards were used to establish the analytical methods to perform the experiments of recoveries and detection limits in water and soil. The detection limits of PBBs represented 5∼10 ng/L for water and 0.5∼3.5 ng/g for soil samples, respectively. The recoveries of water samples represented 96∼107% in n-hexane, dichloromethane and toluene for water, and 60∼80% in combined solvent with n-hexane and acetone. The recoveries of soil sample were surveyed 67∼97% in soxhlet extraction and 64∼76% in ultrasonic extraction with selected solvents.
- keywords
- brominated flame retardants(BFRs), polybrominated biphenyls(PBBs)
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