Characterization and Alumina Leachability of 12CaO·7Al₂O₃ with Different Holding Times

Figure 6

SEM images of samples synthesized for different times: (a) 30 min, (b) 60 min, (c) 90 min, (d) 120 min, and (e) 150 min.

(a)

(b)

(c)

(d)

(e)