Electrochemical Instrumentation

Application Notes on Electrochemical Instrumentation

Potentiostats

Some of the notes below cover potentiostats in general and others are for Gamry Instruments systems specifically.  Click on a link below to download the PDF version of the Application or Technical Note.

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The Value of Stack Mode Measurements

Posted by gamry on July 17, 2017

Some researchers want to be able to apply or measure voltages larger than 12 V. One example of the need for larger potentials is battery testing, while another might be CV inside small microfluidic channels.

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Understanding the Specifications of your Potentiostat

Posted by gamry on October 21, 2015

This technical note is intended to help you better understanding the specifications of potentiostats. Various parameters that are typically listed in specification sheets of potentiostats are explained. In addition, it is shown which parameters are more relevant for specific applications and where you should pay attention.

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Measuring the Optical Power of your LED

Posted by gamry on February 27, 2015

In order to calculate the efficiency of a solar cell, the optical power of the incident light has to be known. This technical note explains how to measure and calculate the optical power of your light source.

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Tips and Techniques for Improving Potentiostat Stability

Posted by gamry on July 16, 2014

This application note provides several tips and techniques for improving potentiostat stability. Potentiostats can become unstable and improving the stability may require trying several different techniques.

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Potentiostat Fundamentals

Posted by gamry on August 2, 2013

A potentiostat is an electronic instrument that controls the voltage difference between a Working Electrode and a Reference Electrode. Both electrodes are contained in an electrochemical cell. The potentiostat implements this control by injecting current into the cell through an Auxiliary or Counter electrode.

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What Is a Faraday Cage & How Does It Work?

Posted by gamry on August 2, 2013

In Faraday’s studies and experiments regarding charge, magnetism, and their interaction, he found that charge on a conductor only resided on the outer surface.

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Changing Potentiostat Speed Settings

Posted by gamry on August 2, 2013

This application note describes the software changes that you can make to slow down a Gamry Instruments’ potentiostat. Slowing down the potentiostat can improve its stability.

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Troubleshooting Your Gamry Potentiostat

Posted by gamry on July 26, 2013

The Universal Dummy Cell 4 (UDC 4) is a printed circuit board used for calibration and troubleshooting of your Gamry Potentiostat and is supplied with every Gamry Potentiostat.

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