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Updated: Jun 28, 2026

Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems
Published on: May 26, 2019
Rapid separation and determination of chromium
1Ames Laboratory USAEC and Department of Chemistry, Iowa State University, Ames, Iowa 50010 U.S.A.
Chromium(III) can be oxidized to chromium(VI) and then separated using anion-exchange chromatography. This rapid and selective method allows for spectrophotometric measurement, enabling automation.
Area of Science:
- Analytical Chemistry
- Environmental Chemistry
Background:
- Chromium speciation is critical for environmental and health assessments.
- Accurate determination of chromium(VI) requires selective separation techniques.
Purpose of the Study:
- To develop a rapid and selective method for chromium(VI) determination.
- To enable automated analysis of chromium species.
Main Methods:
- Oxidation of chromium(III) to chromium(VI) at room temperature.
- Separation of chromium(VI) using an anion-exchange column.
- Spectrophotometric quantification of chromium(VI) with a flow-through cell.
Main Results:
- Successful oxidation of chromium(III) to chromium(VI).
- Effective separation of chromium(VI) from other metal ions.
- Demonstration of a rapid, selective, and automatable analytical method.
Conclusions:
- The developed method provides a robust approach for chromium(VI) analysis.
- This technique is suitable for routine environmental monitoring and laboratory automation.
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