Figure 4From: The negative effect of ceria on the propene selectivity for isopropanol decomposition over phosphated and phosphate-free ceria/alumina catalysts Pore size distribution curves (a); non-phosphated and (b); phosphated ceria/alumina catalysts in which r p true radius and Δ V P · Δ r P -1 / cm 3 g -1 Å -1 is the ratio between the volume decrements (Δ V P ) in cm 3 g -1 and the decrement in pore radius (Δ r P -1 ) in Å -1 . Back to article page