Measurement of Dioxins using Pre-column Separation Inlet System.
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概要
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Using a portable GC/MS equipped with a Pre-column Separation Inlet System, separation of 2, 3, 7, 8-chloro-substituted congeners was carried out. Characteristics of the system lie in an efficient removal of matrix, protection of GC column from excess matrix loading and rapid analysis of any selected congener. Target compounds were tetra-chlorinated dioxins and pentachlorinated dioxins having chlorines at 2, 3, 7 and 8 positions. The analysis of dioxins was conducted by using one and the same GC column. As a result of an experiment in standard solutions, possibility of selective quantitation for toxic congeners was expected. Using the system, reduction of noise in chromatogram was observed. Application of the system to soil samples has been also reported.
- 日本環境化学会の論文
日本環境化学会 | 論文
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