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  • Title: Analytical response of polychlorinated biphenyl homologues and isomers in thin-layer and gas chromatography.
    Author: Bush B, Baker F, Dell'acqua R, Houck CL, Lo FC.
    Journal: J Chromatogr; 1975 Jun 18; 109(2):287-95. PubMed ID: 807590.
    Abstract:
    Except for pure synthetic polychlorinated biphenyl (PCB), estimation methods of PCB by thin-layer and gas chromatography with electron capture detection give comparable results. Both give a good estimate of the true mass of a biologically modified residue, but where mostly hexachlorobiphenyls and above make up the residue, the estimate will be up to 50% too high. The Coulson detector does not, in our hands, yield comparable results with modified residues: the reason for this difference is not clear at present.
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