Science. Business. Society.
Vol. 10 (2025), Issue 3, pg(s) 101-104

SOCIETY

Speciation analysis of Cr(III) and Cr(VI) in waters

  • 1 National Center of Public Health and Analyses, Sofia, Bulgaria

Abstract

Chromium in an aqueous environment can exist in various redox states, the most common being Cr(III), which is mainly in the form of an aquacomplex, and Cr(VI), which is mainly in the form of chromate ions. The distribution of compounds containing the respective forms of chromium depends on the redox potential, pH, the presence of an oxidizing or reducing agent, the kinetics of oxidation-reduction reactions, the formation of Cr(III) complexes or insoluble salts, and the total concentration of Cr.

Keywords

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