This practice deals with the terms, parameters, symbols, units, and relationships used in liquid column chromatography. Most of the terms covered herein should also apply to other kinds of liquid chromatography, notably planar chromatography such as paper or thin-layer chromatography. These terms include the names of techniques, apparatuses and reagents, the parameters and symbols used for chromatogram data readout, and the retention parameters, symbols and units.

1.1 This practice deals primarily with the terms and relationships used in liquid column chromatography. However, most of the terms should also apply to other kinds of liquid chromatography, notably planar chromatography such as paper or thin-layer chromatography.

Note 1—Although electrophoresis can also be considered a liquid chromatographic technique, it and its associated terms have not been included in this practice.

1.2 Since most of the basic terms and definitions also apply to gas chromatography, this practice uses, whenever possible, symbols identical to Practice E355.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.