Environmental Engineering Research

Korean Society of Environmental Engineers (대한환경공학회)
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Introduction of the Rapid Analysis Method for PCBs in Insulating Oils and Its Comparison Study to the Analysis Method in Korea

  • Hong, Jang-Ho (Department of Environmental Science for Industry, Ehime University) ;
  • Takahashi, Tomohumi (Department of Environmental Science for Industry, Ehime University) ;
  • Ishizaka, Takahiro (Department of Environmental Science for Industry, Ehime University) ;
  • Toita, Hideki (Department of Environmental Science for Industry, Ehime University) ;
  • Min, Byung-Yoon (Department of Environmental Engineering, Kyungnam University) ;
  • Honda, Katsuhisa (Department of Environmental Science for Industry, Ehime University)
  • Received : 2010.12.17
  • Accepted : 2011.02.28
  • Published : 2011.03.30
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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.

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References

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