Characterization and Alumina Leachability of 12CaO·7Al<sub>2</sub>O<sub>3</sub> with Different Holding Times

<table>(a) Molecular structure of 12CaO·7Al<sub>2</sub>O<sub>3</sub>. (b) Framework of single cage.</table>

Advances in Materials Science and Engineering

Figure 4: Characterization and Alumina Leachability of 12CaO·7Al<sub>2</sub>O<sub>3</sub> with Different Holding Times 