Figure 5From: Selective phenol methylation to 2,6-dimethylphenol in a fluidized bed of iron-chromium mixed oxide catalyst with o-cresol circulation Spectra of aromatic products of the process in three selected ranges of wave number: a) 3200-2700 cm -1 , b) 1636-1568 cm -1 , c) 1380-895 cm -1 . Back to article page