Fig. 17
Fluorescence intensity of coumarin solution with kraft lignin, soda lignin, KL/TiO2-1.0, SL/TiO2-1.0 and TiO2 at 460 nm against sunlight illumination time
Fig. 17 | BMC Chemistry
Fluorescence intensity of coumarin solution with kraft lignin, soda lignin, KL/TiO2-1.0, SL/TiO2-1.0 and TiO2 at 460 nm against sunlight illumination time