Fig. 3
From: Modified bentonite @ microwave for Mn(VII) removal with a simulation study

EDX spectra of (a) raw bentonite (B) and (b) microwave treated bentonite (MTB).
From: Modified bentonite @ microwave for Mn(VII) removal with a simulation study

EDX spectra of (a) raw bentonite (B) and (b) microwave treated bentonite (MTB).