CheapStat: An Inexpensive Potentiostat for Education and Analysis
Author Information
Author(s): Rowe Aaron A., Bonham Andrew J., White Ryan J., Zimmer Michael P., Yadgar Ramsin J., Hobza Tony M., Honea Jim W., Ben-Yaacov Ilan, Plaxco Kevin W.
Primary Institution: University of California Santa Barbara
Hypothesis
Can a low-cost, open-source potentiostat be effectively used in educational and analytical applications?
Conclusion
The CheapStat is a low-cost potentiostat that can be easily constructed and is suitable for various educational and analytical applications.
Supporting Evidence
- The CheapStat can be built for under $80.
- It supports various voltammetry techniques including cyclic and linear sweep.
- The device is suitable for educational labs and resource-limited settings.
- It has been successfully used to measure vitamin C in orange juice and arsenic in lake water.
Takeaway
The CheapStat is a simple and cheap device that helps students and researchers measure things like vitamin C in orange juice or arsenic in water without needing expensive equipment.
Methodology
The CheapStat was constructed using readily available components and was tested in various experiments including measuring ascorbic acid in orange juice and arsenic in lake water.
Limitations
The CheapStat cannot match the quality and capabilities of high-end research-grade potentiostats.
Participant Demographics
Undergraduate students and high school students.
Digital Object Identifier (DOI)
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