Figure 4
From: Removal of hexavalent chromium from wastewater by Cu/Fe bimetallic nanoparticles

Effect of initial pH on Cr(VI) removal by Cu/Fe bimetallic nanoparticles. Error bars indicate the standard deviation of the mean (n = 3).
From: Removal of hexavalent chromium from wastewater by Cu/Fe bimetallic nanoparticles

Effect of initial pH on Cr(VI) removal by Cu/Fe bimetallic nanoparticles. Error bars indicate the standard deviation of the mean (n = 3).