Techniques for Porosity Analysis Can measure only open pores y Pore size: 0.4 nm-50 nm adsorption Easy Established technique Mercury Neutron scattering Small angle scattering http://nano.materials.drexel.edu Techniques for Porosity Analysis adsorption Mercur Similar to ga adsorption r Can measure only open pores Pore size >1.5 nm echniques Easy Established technique5 http://nano.materials.drexel.edu Techniques for Porosity Analysis Techniques for Porosity Analysis Mercury porosimetry TEM SEM Small angle X-ray scattering Small Angle Neutron scattering Gas adsorption Techniques ¾ Can measure only open pores ¾ Pore size : 0.4 nm – 50 nm ¾ Easy ¾ Established technique http://nano.materials.drexel.edu Techniques for Porosity Analysis Techniques for Porosity Analysis Mercury porosimetry TEM SEM Small angle X-ray scattering Small Angle Neutron scattering Gas adsorption Techniques ¾ Similar to gas adsorption ¾ Can measure only open pores ¾ Pore size >1.5 nm ¾ Easy ¾ Established technique