Fig. 6
From: Theoretical insights in catalytic reduction of Cr(VI) using Pd/Fe nitrogen doped mesoporous carbon
Plots illustrating the concurrent interaction effects on the response surface of (a) Time (A) and pH (B), (b) Time (A) and [HCOONa] (D), c Time (A) and [Cr2O72−] (C) on the Cr(III) production.
