A Comparative Characterization of the HPA-MCM-48 Type Catalysts Produced by the Direct Hydrothermal and Room Temperature Synthesis Methods

Table 1

Physical Properties of the Purely Siliceous Catalysts.

Sample ID			2𝜃 (°)
	Primary (211) peak	Secondary peaks	𝑑211 (nm)	𝑎 (nm)	𝑉^∗𝑝 (cm^3/g)	𝛿 (nm)
MCM-48-HTS	2.60	3.88, 4.38	3.40	8.33	0.629	1.13
MCM-48-RTS	2.70	4.40, 5.06	3.27	8.01	0.692	1.03

*Primary mesopore volume determined by using the 𝛼_𝑠 method and data taken from the adsorption isotherm.