fig2
Figure 2. (A) 29Si MAS NMR spectra of HZSM-5 before and after steam treatment; (B) relative percentage of Si species in different chemical environments by deconvolution of 29Si MAS NMR spectra.
Figure 2. (A) 29Si MAS NMR spectra of HZSM-5 before and after steam treatment; (B) relative percentage of Si species in different chemical environments by deconvolution of 29Si MAS NMR spectra.
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