Research Article
Use of Ethylenediaminetetraacetic Acid as a Scavenger for Chromium from “Wet Blue” Leather Waste: Thermodynamic and Kinetics Parameters
Figure 4
Optimized structures of the complexes [Cr(EDTA)] (a) and [Cr(NTA)(H2O)2] (b). The green color represents the chrome atom; red: oxygen, blue: nitrogen, and gray: carbon.
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| (b) |