Research Article

A New Approach to Determine Gas Diffusion Coefficients in Porous Solids by EIS: Application for NH3 and CO2 Adsorption on Zirconia and Zeolite Type 5A

Figure 9

(a) Impedance of Z5A-2 at 373 K with/without CO2; (b) curve fitting by an equivalent circuit.
(a)
(b)