Fig. 2From: Use of Bentonite and Organobentonite as Alternatives of Partial Substitution of Cement in Concrete ManufacturingSEM micrographs of the natural and modified bentonite samples: BBT (a), BBTAPS (b), BBTAEAPS (c), chemical analysis (EDX) of raw bentonite, BBT (d) and evolution of CEC in different temperatures, BBT filled diamond, BBTAPS filled square, and BBTAEAPS filled circle (e).Back to article page