Effects of Montmorillonite on the Mineralization and Cementing Properties of Microbiologically Induced Calcium Carbonate

Figure 5

(a) FT-IR spectrum of mineralized samples b different Ca²⁺ concentration without MMT, (b) FT-IR spectrum of mineralized samples by different time without MMT, (c) FT-IR spectrum of mineralized samples by different Ca²⁺ concentration with MMT, and (d) FT-IR spectrum of mineralized samples by different time with MMT.

(a)

(b)

(c)

(d)