Preferred Label : separation factor;
Detailed label : separation factor in column chromatography, α;
IUPAC definition : The relative retention value calculated for two adjacent peaks (V R 2 ' V R 1 '):
\[\alpha \frac{V_{{R}2} {'}}{V_{{R}1} {'}} \frac{V_{{N}2}}{V_{{N}1}} \frac{t_{{R}2}
{'}}{t_{{R}1} {'}} \frac{k_{2}}{k_{1}}\] By definition, the value of the separation
factor is always greater than unity. The separation factor is also identical to the
ratio of the corresponding distribution constants. The separation factor is sometimes
also called the 'selectivity'. The use of this expression is discouraged.;
Origin ID : S05614;
See also
The relative retention value calculated for two adjacent peaks (V R 2 ' V R 1 '):
\[\alpha \frac{V_{{R}2} {'}}{V_{{R}1} {'}} \frac{V_{{N}2}}{V_{{N}1}} \frac{t_{{R}2}
{'}}{t_{{R}1} {'}} \frac{k_{2}}{k_{1}}\] By definition, the value of the separation
factor is always greater than unity. The separation factor is also identical to the
ratio of the corresponding distribution constants. The separation factor is sometimes
also called the 'selectivity'. The use of this expression is discouraged.
