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Sequential Extraction of Soil Heavy Metals Aided by Ultrasound Sonication  

Suh, Jj-Won (Korea Basic Science Institute, Seoul Center)
Yoon, Hye-On (Korea Basic Science Institute, Seoul Center)
Publication Information
Journal of the Mineralogical Society of Korea / v.23, no.1, 2010 , pp. 85-91 More about this Journal
Abstract
The various forms of heavy metals in soil environments have been studied by sequential extraction method. We tested conventional Tessier sequential extraction and new ultrasound-sonication extraction methods, and compared their extraction efficiency. Total As, Cd, Cu, Pb, and Zn contents of the target soil (NIST SRM 2710 Montana Soil), by three methods (USEPA Method 3050B, KBSI Method, and ultrasound-sonication method) were all consistent with the certified values. Sequential extraction efficiency along with step-wise extraction values was similar in both Tessier method and ultrasound-sonication method. The ultrasound-sonication method took about 3 hours to complete whole procedure while the Tessier sequential extraction method took around 12 hours. Ultrasound-sonication method was estimated as one of the best methods with a relatively short application time and no requirement of high temperature treatment.
Keywords
Heavy metals; contaminant; sequential extraction; ultrasound sonication; extraction efficiency;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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