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. Author manuscript; available in PMC: 2016 Jul 19.
Published in final edited form as: J Chromatogr A. 2016 Mar 19;1443:162–174. doi: 10.1016/j.chroma.2016.03.040

Fig. 1.

Fig. 1

Pourbaix diagram for aqueous Cr species at 25 °C and 1 bar with a total Cr concentration of 10−6 M. Predominance areas for aqueous Cr(III) and Cr(VI) species are shown in light- and dark-gray shades, respectively.