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Trennung polychlorierter Biphenyle (PCB) durch RP-Flüssig-Chromatographie

Separation of polychlorinated benzenes (PCBz) and biphenyls (PCB) by reversed phase-liquid chromatography

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Summary

The retention of 87 PCB congeners in the six RPLC systems Nucleosil C18/80% MeOH and 70% CH3CN, Sepralyte Diphenyl 70% MeOH and 55% CH3CN, Nucleosil 5 CN 47.5% McOH and 35% CH3CN is given as retention indices based on 2-ketoalkanes, and phenyl-alkanes for the phase Nucleosil 5 CN, respectively. The systems based on Nucleosil C18 gave the highest selectivity in PCB separation as demonstrated by the separation of the technical PCB mixtures. The LC fractions were analyzed by HRGC/EI-MSD. The polymeric C18 phase (Vydac 201 TP) gave a slightly different selectivity as compared to Nucleosil C18 with increased retention of congeners with a 4,4′ substitution. The systems based on Diphenyl and Nucleosil 5 CN favor the separation of the PCB according to the degree of chlorination.

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Meinem Lehrer, Herrn Prof. Dr. G. Tölg in Verbundenheit und Freundschaft zum 60. Geburtstag gewidmet.

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Brodsky, J., Ballschmiter, K. Trennung polychlorierter Biphenyle (PCB) durch RP-Flüssig-Chromatographie. Z. Anal. Chem. 335, 817–825 (1989). https://doi.org/10.1007/BF01204095

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  • DOI: https://doi.org/10.1007/BF01204095

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