The Mechanism of Chromatographic Retention

Introduction

Chromatographic Interactions

Dispersive Interactions

Polar Interactions

Dipole-Dipole Interactions.

Dipole-Induced Dipole Interactions

Ionic Interactions

Mixed Phases

The Association of Methanol with Water

Solvent/Solute Interactions with Adsorbent Surfaces

Mono-layer Adsorption

Bi-layer Adsorption

Solute Stationary Phase Interactions

Mobile Phase Component Dispersive or Weakly Polar

Mobile Phase Component Polar

Experimental Support for the Sorption and Displacement Process

Retention and Exclusion

The Preparation of Silica Gel

Exclusion-Advantages and Disadvantages

Silica Gels with Different Exclusion Properties

Blended Silica for Exclusion Chromatography

Chiral Chromatography

Chiral Polysiloxane Stationary Phases

References