Abstract
IN a former publication1 the following expression was derived for the height equivalent to a theoretical plate (HETP), h, of a tubular column of radius r: 
where: v = average carrier gas velocity; Dg = molecular diffusion coefficient of component in the gas phase; Dl = molecular diffusion coefficient of component in the liquid phase; k = capacity ratio of liquid over gas phase; r = radius of tubular column; K = partition coefficient.
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References
Golay, M. J. E., Gas Chromatography, edit. by Desty, D. H. (Butterworths, 1958).
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GOLAY, M. Height Equivalent to a Theoretical Plate of Tubular Gas Chromatographic Columns lined with a Porous Layer. Nature 199, 370–371 (1963). https://doi.org/10.1038/199370a0
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DOI: https://doi.org/10.1038/199370a0
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