Use of Ethylenediaminetetraacetic Acid as a Scavenger for Chromium from “Wet Blue” Leather Waste: Thermodynamic and Kinetics Parameters

Figure 5

Structures of the isomer “B” of the Cr-EDTA complex (a), Cr-collagen complex (b), and Cr-NTA complex (c).

(a)

(b)

(c)