Determination of thiopental in urine sample with high-performance liquid chromatography using iodine-azide reaction as a postcolumn detection system.

@article{Zakrzewski2005DeterminationOT,
  title={Determination of thiopental in urine sample with high-performance liquid chromatography using iodine-azide reaction as a postcolumn detection system.},
  author={Robert Zakrzewski and Witold Ciesielski},
  journal={Journal of chromatography. B, Analytical technologies in the biomedical and life sciences},
  year={2005},
  volume={824 1-2},
  pages={327-32}
}
The reaction between iodine and azide ions induced by thiopental was utilized as a postcolumn reaction for chromatographic determination of thiopental. The method is based on the separation of thiopental on an Nova-Pak CN HP column with an acetonitrile-aqueous solution of sodium azide as a mobile phase, followed by spectrophotometric measurement of the residual iodine (lambda=350 nm) from the postcolumn iodine-azide reaction induced by thiopental after mixing an iodine solution containing… CONTINUE READING

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