Crystallite size Activation energy 4 Adsorption 4 Chemical analysis 4 Rietveld analysis 4 dissolution 4 goethite 4 particle size 4 Acid concentrations 2 Acid dissolution 2 Adsorption capacities 2 Adsorption capacity 2 Aging time 2 Al- 2 Alkalinity 2 Aluminum 2 Anisotropic structure 2 Anisotropy 2 Architectural acoustics 2 Article 2 Austempered ductile iron 2 Austempered ductile irons 2 BET surface area measurement 2 Bimodal pore size distribution 2 CO2-TPD 2 Carbon 2 Carbon dioxide 2 Cathodic arc deposition 2 CeO2-Fe2O3 solid solution 2 Chains 2