Solid-Phase Preparation of Al-TiO₂ for Efficient Separation of Bioderived Product Danshensu

Figure 4

SEM images of Al-TiO₂ powders with different Ti/Al ratios. (a) Ti/Al = 1/0.1; (b) Ti/Al = 1/0.09; (c) Ti/Al = 1/0.07; (d) Ti/Al = 1/0.05.

(a)

(b)

(c)

(d)