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Effect of solute polarity on the performance of porapak type porous polymers

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Summary

The breakthrough volume of ådsorbent traps made with porous polymer beads Porapak N, P. Q, R, S was evaluated by analysis of polarity reference substances proposed by Rohrschneider (ethanol, methyl ethyl ketone, nitrometane, benzene, pyridine) by McReynolds (butanol, methyl propyl ketone) and of the first term of some homologous series: alcohols, aldehides, carboxilic acids, nitrocompounds, iodoalkanes and nitriles.

Adjusted retention times of the compounds were measured at 200°C and correlated with the physical properties and with polarity class according to Ewell.

Trapping efficiency of the various Porapak types was evaluated and the theoretical breakthrough volumes at 25°C was calculated for the used test substances.

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Authors and Affiliations

  1. Istituto di Chimica Industriale, Università di Genova, Corso Europa 30, 16132, Genova, Italy

    G. Castello & Giuseppina D'Amato

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  1. G. Castello
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  2. Giuseppina D'Amato
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Dedicated to Prof. Dr. A. Liberti on the occasion of his 70th birthday.

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Castello, G., D'Amato, G. Effect of solute polarity on the performance of porapak type porous polymers. Chromatographia 23, 839–843 (1987). https://doi.org/10.1007/BF02311410

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  • DOI: https://doi.org/10.1007/BF02311410

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