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Analysis of PCDDs/PCDFs in Sediment by Isotope Dilution HRGC/HRMS
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2000, v.13 no.6, pp.789-801
Jang,
S.
K.
(2000). Analysis of PCDDs/PCDFs in Sediment by Isotope Dilution HRGC/HRMS. Analytical Science and Technology, 13(6), 789-801.
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Abstract
This analysis was conducted for PCDDs/PCDFs in sediment by isotope dilution HRGC/HRMS method. From the result, the mean recovery of surrogate standard was in the range of 70.1-80.8%. Among the distribution of 2, 3, 7, 8-substituted isomers, the concentration of OCDD represented almost 40.6-78.5% of total concentration and that of OCDF showed 6.6-14.7% and 1, 2, 3, 4, 6, 7, 8-HpCDD showed 5.1-7.7%. The portion of PCDDs represented 62.4-86.9% of total PCDDs/PCDFs. In the TEQ concentration 1, 2, 3, 4, 7, 8-PeCDF concentration represented 22.7-35.6 % of total TEQ concentration.
- keywords
- isotope dilution, PCDDs/PCDFs, HRGC/HRMS, SIM, sediment
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