Fig. 9
From: Effect of natural carbonates on microbially induced calcite precipitation process

Thermogravimetric measurements for pure calcium carbonate, untreated, and MICP treated Blessington, concrete, and Ottawa sands. (A) Normalized mass fraction curves for untreated and MICP treated Blessington soil samples, (B) Normalized mass fraction curves for untreated and MICP treated concrete and Ottawa F-110 sand samples, (C) DTG (first differential of mass loss) curves for untreated and MICP treated Blessington soil samples, and (D) DTG curves for untreated and MICP treated concrete and Ottawa F-110 sand samples.