In Situ IR Characterization of CO Interacting with Rh Nanoparticles Obtained by Calcination and Reduction of Hydrotalcite-Type Precursors

Table 1

Crystal size of MgO- and MgAl₂O₄-type phases (nm) as obtained by XRD analysis.

Phase (*)	Rh/HTCarb_750	Rh/HTSil_750
MgO (200)	12	13
MgO (220)	15	17
MgO	13.5	15
MgAl2O4 (111)	18	/
MgAl2O4 (220)	34	/
MgAl2O4 (311)	24	/
MgAl2O4	25	/

(*)Reflections used for crystal size evaluation are reported.