Figure 7
TGA (a) and DTG (b) curves of Okoume tannins heated at 10 °C/min in nitrogen, with bark tannins in green; sapwood tannins in blue and heartwood tannins in red.
Figure 7 | Scientific Reports
TGA (a) and DTG (b) curves of Okoume tannins heated at 10 °C/min in nitrogen, with bark tannins in green; sapwood tannins in blue and heartwood tannins in red.
