Dealuminated Beta Zeolite Modified by Alkaline Earth Metals

Figure 10

¹H MAS NMR (a), ²⁹Si MAS NMR (b), and ¹H-²⁹Si CP MAS NMR (c) spectra recorded at room temperature in 4 mm (the external diameter) zirconia rotor of as-prepared HAlBeta and partially dealuminated DeAlBeta.

(a)

(b)

(c)