Emerson Exchange 365

Tip #86: Test the pH Response Time to Determine the Health of a Glass Electrode

There is not a whole lot of current information on the response time of pH electrodes. Tests done in the 1960s for a clean, healthy pH glass electrode showed that the time constant was smaller for a positive pH change, a higher velocity, and a higher degree of buffering. For a buffered solution at 4 [...] Read the full text.

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