Thermogravimetry-Infrared Spectroscopy Analysis of the Pyrolysis of Willow Leaves, Stems, and Branches

Figure 4

FTIR spectra of willow leaves at different times. (a) Three-dimensional IR spectrum of willow leaves and IR spectra obtained at (b) 200 s, (c) 525 s, (d) 830 s, (e) 1100 s, and (f) 1420 s.

(a)

(b)

(c)

(d)

(e)

(f)