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The Comparison Study in the Extraction of Inorganic Priority Pollutants from Solid Wastes
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1997, v.10 no.6, pp.395-402
Ahn,
T., Lee,
H., &
Lee,
S.
(1997). The Comparison Study in the Extraction of Inorganic Priority Pollutants from Solid Wastes. Analytical Science and Technology, 10(6), 395-402.
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Abstract
The comparison study between EPA method 3050 and the test method offered by Ministry of Environment in Korea was performed to investigate a matrix effect on extraction. In this study, 12 inorganic priority pollutants(Cd, Cr, Cu, Pb, Ni, Zn, As, Sb, Se, Hg, Be, Tl) were spiked to the sludges and estuary sediment samples. The extracts were analyzed by AAS, HG-AAS, and ICP/MS. Results were discussed in terms of recoveries, relative standard deviations, and the method detection limits. Mean recovery of the elements except As, Sb, and Se was 93% when the procedure of EPA method was applied. The Korean extraction method, however. showed a significant matrix effect to give very poor recoveries.
- keywords
- priority pollutant, sludge, estuary mud, EPA method 3050, Korean extraction method
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