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Optimization of a peroxyoxalate chemiluminescence detection system for the liquid chromatographic determination of fluorescent compounds

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Summary

A peroxyoxalate chemiluminescence detection system for liquid chromatography is described. The excitation of fluorophores is generated by the reaction of bis-(2,4,6-trichlorophenyl)oxalate or bis(2,4-dinitrophenyl)oxalate and hydrogen peroxide, which are added to the column effluent. The influence of the solvents and the concentrations of the reagents have been investigated. The influence of the flow cell volume on sensitivity and on band broadening have also been studied and a “chemical band narrowing effect” has been observed. Different types of apparatus have been compared for detection of the emitted light. The system has been used for the detection of the dansyl derivative of a drug with a secondary amine functional group in serum samples. The detection limits are in the 1–10pg range.

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Authors and Affiliations

  1. Research Laboratories, Duphar, P. O. Box 2, 1380 AA, Weesp, The Netherlands

    G. J. de Jong, N. Lammers & F. J. Spruit

  2. Department of Analytical Chemistry, Free University, De Boelelaan 1083, 1081 HV, Amsterdam, The Netherlands

    U. A. Th. Brinkman & R. W. Frei

Authors
  1. G. J. de Jong
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  2. N. Lammers
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  3. F. J. Spruit
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  4. U. A. Th. Brinkman
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  5. R. W. Frei
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de Jong, G.J., Lammers, N., Spruit, F.J. et al. Optimization of a peroxyoxalate chemiluminescence detection system for the liquid chromatographic determination of fluorescent compounds. Chromatographia 18, 129–133 (1984). https://doi.org/10.1007/BF02258768

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  • DOI: https://doi.org/10.1007/BF02258768

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