Why Does Conductivity Matter

By David M. Gray

Conductivity Resistivity Monitoring Analytics

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Conductivity in the pure water industry is used as a measure of the concentration of ionic materials in water. It is quantitative rather than qualitative, so it may require some interpretation to determine its significance in a particular application. Ionic materials detected by conductivity include minerals such as sodium chloride, dissolved ionizable gases such as carbon dioxide and ionic organics such as acetic acid. Conductivity is insensitive to materials that do not form ions such as sugars, oils, or dissolved oxygen, which can be measured by other means.

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