the production of thymoquinone from thymol and carvacrol
the production of thymoquinone from thymol and carvacrol
the production of thymoquinone from thymol and carvacrol
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catalyst <strong>the</strong>se peaks were not observed. This was typical for <strong>the</strong> formation <strong>of</strong> large<br />
transition metal complex ion in <strong>the</strong> supercage <strong>of</strong> zeolite Y (Fan et al. 2003).This can<br />
also be verified by FTIR spectroscopy.<br />
Figure 7.2. XRD patterns <strong>of</strong> NaY zeolite (a), lig<strong>and</strong> (H2 salpn) (b), BiNaY, Bi (salpn)-<br />
NaY (c), Ni NaY, Ni (salpn)-NaY (d), Zn NaY, Zn (salpn)-NaY (e), Cr<br />
NaY, Cr (salpn)-NaY (f), Fe NaY, Fe (salpn)-NaY (g)<br />
(cont.on next page)<br />
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