Porosimetry - Measuring Pore Size
by Gas Sorption or Mercury Intrusion

     Quantachrome offers instruments for determining porosity by both the method of gas adsorption and mercury porosimetry. 

     Gas adsorption techniques permit pore radius measurements from approximately four Angstroms to five hundred Angstroms employing both classical mesopore and newer micropore methods. See Gas Sorption - Principles of Operation for further information.

     Mercury porosimetry provides measurements of pore radii from several million down to eighteen Angstroms. See Mercury Porosimeter - Principle of Operation for further information.