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논문 상세정보

Abstract

A gas chromatography/mass spectrometric (GC/MS) method has been developed for the determination of trace mono-n-butyltin (MBT), di-n-butyltin (DBT), and tri-n-butyltin (TBT) compounds in sediments. Samples were extracted by 10% acetic acid in methanol containing 0.03% tropolone and were then derivatized for GC/MS analysis. Ethylation by sodium tetraethylborate and phenylation by sodium tetraphenylborate were evaluated as a derivatization reaction of the organotins in sample extract. n-Hexane was added into reaction media in the beginning of the reaction for the continuous extraction of derivatized organotins. Ethylation requires less than 2 hours to get proper derivatization yields for MBT, DBT, and TBT altogether and produces relatively low amounts of side reaction products. Compared to ethylation, phenylation requires much longer time but provides relatively lower yield and produces considerable amounts of side reaction products. Therefore, the ethylation reaction was applied for the analysis of organotin compounds in sediment. An isotope dilution mass spectrometric (IDMS) method based on GC/MS has been applied to the accurate determination of DBT compounds in the sediments. The IDMS results from the analyses of sediment samples showed a reasonable repeatability and a good agreement with the values obtained by IDMS based on liquid chromatography/induced coupled plasma/mass spectrometry.

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이 논문을 인용한 문헌 (2)

  1. 2005. "" Bulletin of the Korean Chemical Society, 26(3): 440~446 
  2. Sung, Jun-Hyun ; Yoon, Hae-Jung ; Choi, Hyun-Cheol ; Jeon, Dae-Hoon ; Eom, Mi-Ok ; Kim, Hyung-Il ; Park, Na-Young ; Lee, Eun-Joon ; Lee, Young-Ja 2007. "Monitoring of Butyltin Compounds in PVC Food Packaging - Determination of Butyltin Compounds in PVC Wrap and Gasket for Food Packaging by GC/MS" 한국식품과학회지 = Korean journal of food science and technology, 39(6): 715~720 

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