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In gas chromatography, the theory that the column operated similarly to a distillation column; for example, chromatographic columns are considered as consisting of a number of theoretical plates, each performing a partial separation of components.  2, fiche 1, Anglais, - plate%20theory

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The plate concept of chromatography is inherited from distillation theory, where originally the more efficient distillation columns actually contained discrete plates. Martin and Synge considered a chromatographic system to be composed of a number of imaginary or theoretical plates. However, the number of theoretical plates that a column appears to contain is a poor measure of chromatographic performance since the number of plates is independent of the system dimensions.  3, fiche 1, Anglais, - plate%20theory

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discrete plate  3, fiche 1, Anglais, - plate%20theory

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