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Potentiostat Main Image

Potentiostat Building Instructions (pdf)
Potentiostat Parts List (xls)
Ordering Instructions (doc)
Potentiostat Lego Digital Designer File (lxf)


A circuit representation of the potentiostat.  (“Potentiostat3” by Enseeg – Own work. Licensed under CC BY-SA 3.0 via Wikimedia Commons)


  • Helps to measure the relationship between an electrochemical potential and a corrosion-related current, using a high-impedance voltmeter and a low-resistance ammeter to measure electrode potentials and current flow.

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