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Environmental Engineering Research 2011;16(1): 11-18. DOI: https://doi.org/10.4491/eer.2011.16.1.011
Introduction of the Rapid Analysis Method for PCBs in Insulating Oils and Its Comparison Study to the Analysis Method in Korea
Jangho Hong1, Tomohumi Takahashi1, Takahiro Ishizaka1, Hideki Toita1, Byungyoon Min2, and Katsuhisa Honda1
1Department of Environmental Science for Industry, Ehime University, Matsuyama 790-8577, Japan
2Department of Environmental Engineering, Kyungnam University, Changwon 631-701, Korea
Corresponding Author: Katsuhisa Honda ,Tel: +81-89-946-9970, Fax: +81-89-946-9980, Email: k_honda@agr.ehime-u.ac.jp
Received: December 17, 2010;  Accepted: February 28, 2011.
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ABSTRACT
The aim of this research was to introduce a new rapid analysis method (heating of the multi-layer silica gel column/alumina column) for polychlorinated biphenyls in insulating oils, and to compare our new method with the analytical method currently used in Korea. The entire pretreatment procedure was completed within 2 hr, using about only 20 mL of solvents via our rapid analytical method. Furthermore, the pretreatment procedure can always be uniformly performed, regardless of oil type (JIS 1~JIS 7 and KS 1~KS 7). The recovery rates were more than 89%, with relative standard deviations below 6.0%. In conclusion, this rapid analytical method could reduce the pretreatment time and solvent usage by 1/10 and between 1/25 and 1/50, respectively, compared to analytical method currently used in Korea.
Keywords: Insulating oils | Polychlorinated biphenyls | Rapid analysis
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