Fundamental quantities in planar chromatography
Planar chromatography - Part 1
Article REF: P1473 V1
Fundamental quantities in planar chromatography
Planar chromatography - Part 1

Authors : Antoine Michel SIOUFFI, Chantal DAUPHIN, Dominique PRADEAU

Publication date: March 10, 2007, Review date: November 1, 2022 | Lire en français

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3. Fundamental quantities in planar chromatography

3.1 Retention characteristics

In any chromatographic process, the mobile phase is driven by a velocity u; the substances to be separated are retained by the stationary phase and travel at a speed lower than u.

  • In column liquid chromatography, the solvent percolates through the column and : u=4 Qπdc2εt

    with :

    Q
     : 
    displayed pump flow
    ...
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