Theory of Elution Chromatography

  • Vladimir Vatslavovich Rachinskii


Equilibrium Sorption Dynamics. Let the process of elution of the primary (frontal) zone of one substance be set by the following initial and boundary conditions:
$$\left. \begin{gathered} t = 0,0 \leqslant x \leqslant {x_0},n = {n_0},N = {N_0}; \hfill \\ \quad \quad \quad \;\;x > {x_0},n = 0,N = 0; \hfill \\ \end{gathered} \right\}\left( {primaryzone} \right)$$
$$\left. \begin{gathered} t > 0,\quad \;\;x = 0,n = 0,N = 0; \hfill \\ \;\quad \quad \quad \;x = \infty ,n = 0,N = 0. \hfill \\ \end{gathered} \right\}({\text{elution}})$$
The problem consists of finding the course of the motion and distribution of the substance to be sorbed during the process of elution of the column with a pure solvent (mobile carrier), after the primary zone has been obtained. Here let us assume that the same solvent (or mobile carrier gas) from which the primary zone was formed was used for the elution.


Sorption Isotherm Linear Isotherm Elution Chromatography Sorption Dynamic Primary Zone 
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© Consultants Bureau Enterprises, Inc. 1965

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  • Vladimir Vatslavovich Rachinskii

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