Fig. 5From: Synthesis of lignin based composites of TiO2 for potential application as radical scavengers in sunscreen formulationUV spectra of kraft lignin and soda lignin. 1—kraft lignin in pH 12 NaOH solution; 2—soda lignin in pH 12 NaOH solution; 3—kraft lignin in dioxane-water (9:1, v/v) solution; 4—soda lignin in dioxane-water (9:1, v/v) solutionBack to article page