Effect of Aluminum Sulfate and Succinic Acid on the Growth Law of α-Calcium Sulfate Hemihydrate under Microwave Irradiation

Figure 5

SEM photo (200x) at reaction times of (a) 0.5 h; (b) 1 h; (c) 1.5 h; and (d) 2 h when the aluminum ion concentration was 5 mM.

(a)

(b)

(c)

(d)