Abstract
A rapid and uncomplicated method for the fractionation of PCBs leading to an isolation of the highly toxic non-ortho substituted PCBs is described. The liquid chromatographic separation was achieved on a stationary phase consisting of activated carbon and Celite 545. Using eluents with different polarity, isolation of the non-ortho substituted PCBs in a single fraction was achieved. The fractions were analysed by GC/MS. The method was tested by the determination of non-ortho substituted PCBs in technical mixtures (Aroclor 1254 and Aroclor 1242). The results were compared with those obtained by using an HPLC fractionation on a porous graphitic carbon column. Finally, the micro-column fractionation was used for the determination of non-ortho substituted PCBs in native soil samples.
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Received: 5 March 1997 / Revised: 4 June 1997 / Accepted: 6 June 1997
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Trost, A., Kleiböhmer, W. & Cammann, K. Liquid chromatographic isolation of coplanar PCB congeners on an activated carbon stationary phase. Fresenius J Anal Chem 359, 249–253 (1997). https://doi.org/10.1007/s002160050568
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DOI: https://doi.org/10.1007/s002160050568