The surface area (BET) and pore volume of the supports and catalysts were determined from the nitrogen adsorption–desorption isotherms at 77 K, using a Sorptomatic 1800 apparatus.
The surface area (BET) and pore volume of the supports and catalysts were determined from the nitrogen adsorption–desorption isotherms at 77 K, using aSorptomatic 1800 apparatus.