Summary
The preparation of graphite layer open tubular (GLOT) columns is described together with their application to the analysis of priority pollutants and polar compounds such as alcohols, free carboxylic acids, aliphatic amines and phenols at the sub-nanogram level.
A specific application of GLOT columns is for the direct analysis of aqueous solutions avoiding solvent extraction procedures. Several chromatograms of critical separations are reported together with calibration curves. A study of the reproducibility of column preparation is reported in terms of the standard deviation of the capacity ratio and of the minimum HETP obtained.
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Bruner, F., Lattanzi, L., Mangani, F. et al. Graphite layer open tubular (GLOT) columns in gas chromatography and environmental analysis. Chromatographia 38, 98–108 (1994). https://doi.org/10.1007/BF02275734
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DOI: https://doi.org/10.1007/BF02275734