Effect of Iron Oxide on the Protective Photochromism of African Padauk

Table 1

Essential parameters of African padauk.

Wood	African padauk
Scientific name	Pterocarpus soyauxii
Density	0.79 g cm^−3
Place of origin	Republic of Congo
Water content	8 %
Sample size	75 mm(L) × 50 mm(R) × 4 mm(T)