Table 3: Average weight percent gain (WPG) in vinegar and acetic anhydride treated wood flour.

Sample Acetic anhydride (%) Sample Vinegar (%) Gmelina 17 Gmelina 10.8 Mahogany 12 Mahogany 8.5 Baobab 19 Baobab 11.61 Locust bean 7 Locust bean 10.5