Interparticle Porosity control

Enter a number in the text box to indicate the interparticle porosity of the column.

Calculation

The interparticle porosity is the fraction of the total volume in the column that is between (not within) the particles of stationary phase. It is defined by the following equation:

where
εe = interparticle porosity
Ve = volume of eluent the column that is between the stationary phase particles (not in them)
V = total volume in the empty column

Remarks

The interparticle porosity is usually around 0.4