Research Article

Ionothermal Synthesis of Metal Oxide-Based Nanocatalysts and Their Application towards the Oxidative Desulfurization of Dibenzothiophene

Figure 2

FT-IR spectra of (a) [EMIM-Cl][FeCl2], (b) [EMIM-Cl][MnCl2], (c) [EMIM-Cl][NiCl2], and (d) [EMIM-Cl][CoCl2].
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(b)
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(d)