Fig. 6: Temperature variable FT-IR.

a FT-IR spectra of HOF GTUB5 during the heating up to 230 °C. b FT-IR difference spectra of GTUB5 during the heating.
a FT-IR spectra of HOF GTUB5 during the heating up to 230 °C. b FT-IR difference spectra of GTUB5 during the heating.