加熱多層シリカゲルカラム/アルミナカラムを用いた電気絶縁油中のPCB迅速分析法

書誌事項

タイトル別名
  • Rapid Analysis of PCB in Electrical Insulating Oil by Heating of Multi-Layer Silica Gel Column/Alumina Column
  • カネツ タソウ シリカゲル カラム アルミナカラム オ モチイタ デンキ ゼツエンユチュウ ノ PCB ジンソク ブンセキホウ

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The rapid analysis of PCB by heating of multi-layer silica gel column / alumina column was applied to electrical insulating oils (JIS C2320-1999 Class JIS 1-7 oils) and DOP (Dioctyl phthalate) which might be used for some capacitors. The results indicated that most of oil components were removed by the same analysis technique using multi-layer silica gel column with heating at 85 °C for 60 min without depending oil class. Oil components in JIS 4, 5, 6 oils and DOP were removed by only sulfuric acid coating silica gel treatment with heating, and also those in JIS 1, 2, 3 and 7 oils were removed by addition separation treatment of alumina to sulfuric acid coating silica gel treatment. Furthermore, quantitative capability and repeatability (n =3) of PCB concentration in JIS 1-7 oils and DOP were evaluated by GC/ECD, GC/QMS and GC/MS/MS, indicating those deviations were less than ±20 % from a truth value, and also those variations were less than15 % for all of oils and measurement instruments.

収録刊行物

  • 環境化学

    環境化学 20 (4), 357-370, 2010

    一般社団法人 日本環境化学会

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