What Methods are Used to Characterize Surface Area and Porosity?
Several techniques are commonly employed to characterize the surface area and porosity of catalysts:
- BET (Brunauer-Emmett-Teller) Method: This is widely used to measure the surface area of porous materials. - Mercury Intrusion Porosimetry: This technique is used to measure the pore size distribution and porosity. - Gas Adsorption: Methods like nitrogen adsorption can provide detailed information on pore size distribution and surface area. - Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM): These provide visual information on the surface morphology and pore structure.
