Research Article

Dealuminated Beta Zeolite Modified by Alkaline Earth Metals

Figure 8

X-ray photoelectron spectra recorded at room temperature for (a) Mg 2s of Mg2.0DeAlBeta, (b) Ca 2p of Ca2.0DeAlBeta, and (c) Sr 3d of Sr2.0DeAlBeta.
(a)
(b)
(c)