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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. 3.

Fig. 3

PHREEQC equilibrium Cr speciation model showing the abundance of Cr[III] (Cr3+, CrCl2+, CrCl2+) and Cr[VI] (HCrO4−, H2CrO4°) species in, a–e) HNO3 and f–j) HCl solutions as a function oftemperature.