Critical evaluation and selection of standard state thermodynamic properties for chromium metal and its aqueous ions, hydrolysis species, oxides, and hydroxides

Journal of Chemical & Engineering Data
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Abstract

This review critically evaluates the reported thermodynamic data on chromium metal, oxides, hydroxides, free aqueous ions, and hydrolysis species. Several discrepancies and inconsistencies have been uncovered and resolved to improve equilibrium calculations for chemical modeling and related engineering purposes. A revised set of data is derived from evaluation of electrochemical measurements, silver chromate solubility measurements, and auxiliary post-1980 data, reevaluation of earlier data, and reconsideration of the path for the thermodynamic network. The recommended thermodynamic values for Cr(cr), C , C , Cr , Cr2 , Cr2O3(cr), CrO3(cr), FeCr2O4(cr), CrCl2(cr), CrCl3(cr), and KFe3(CrO4)2(OH)6(cr)at 25 °C, 1 bar, and infinite dilution are given.

Publication type Article
Publication Subtype Journal Article
Title Critical evaluation and selection of standard state thermodynamic properties for chromium metal and its aqueous ions, hydrolysis species, oxides, and hydroxides
Series title Journal of Chemical & Engineering Data
DOI 10.1021/je980080a
Volume 43
Issue 6
Year Published 1998
Language English
Publisher American Chemical Society
Contributing office(s) Toxic Substances Hydrology Program
Description 24 p.
First page 895
Last page 918
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