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Synthesis of a new liquid crystal, 4-[(4-chlorobenzyl)oxy]-4′-cyanoazobenzene and its use as stationary phase in gas-chromatography

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Summary

The separation ofm-, p-, o- xylenes andm-, p- ethyltoluenes was studied on a packed column with 2,5% of 4-[(4-chlorobenzyl)oxy]-4′-cyanoazobenzene (CBOCA) on Chromosorb W HP 100–120 mesh. The synthesis and study of the mesomorphic behaviour of CBOCA are presented. Temperature range for the separation ofm-, p-, o- xylenes (in this order of elution) is 125–85°C, at cooling. The best separation was achieved at about 90°C. The separation temperature domain ofm-ethyltoluene fromp- ethyltoluene is 160–85°C.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Sciences, University of Craiova, 1100, Craiova, Romania

    M. Baniceru & S. Radu

  2. Department of Physics, Faculty of Sciences, University of Craiova, 1100, Craiova, Romania

    C. Sarpe-Tudoran

Authors
  1. M. Baniceru
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  2. S. Radu
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  3. C. Sarpe-Tudoran
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Baniceru, M., Radu, S. & Sarpe-Tudoran, C. Synthesis of a new liquid crystal, 4-[(4-chlorobenzyl)oxy]-4′-cyanoazobenzene and its use as stationary phase in gas-chromatography. Chromatographia 48, 427–430 (1998). https://doi.org/10.1007/BF02467715

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  • DOI: https://doi.org/10.1007/BF02467715

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