Citation: C. R. JIA, Y. H. QIU, Q. Y. OU. MULTIDIMENSIONAL GAS CHROMATOGRAPHY FOR THE SEPARATION OF TCDD ISOMERS[J]. Chinese Chemical Letters, ;1991, 2(1): 31-34. shu

MULTIDIMENSIONAL GAS CHROMATOGRAPHY FOR THE SEPARATION OF TCDD ISOMERS

Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou 730000

Received Date: 27 April 1990

A multidimensional gas chromatographic technique with heartcutting was used for the determination of complex isomeric mixtures of tetra-chlorodibenzo-p-dioxins (TCDDs) which could not be completely separated on a single capillary column. When using so-called heartcutting technique, only the interested single peak or section of the fraction eluting from the first column was transferred onto the second column with different stationary phase. Flame ionization detection was used as the monitor detector and electron capture detection as the main detector. This arrangement offers complete separation and avoids interference of the possible remained chlorinated solvents. The separation power of multi-dimensional GC was demonstrated by the determination of TCDD isomers.
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