Physicochemical properties of MCM-41 and DETA- MCM-41.
Sample Name BET surface area
(m2 g1)a
Pore size
(nm)b
Pore volume
(cm3 g1)c
MCM-41 760 6.74 0.99
DETA- MCM-41 318 6.18 0.63
a Calculated by the linear BET equation from sorption data in a relative pressure
range from 0.05 to 0.25.
b Calculated by the BJH model from the adsorption branches of isotherms.
c Calculated from N2 amount adsorbed at a relative pressure P/P0 of 0.99.