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Conductivity

Conductivity

Conductivity

The electrical resistance of water changes depending on the amount of dissolved electrolytes, and the greater the amount of dissolved electrolytes, the smaller the electrical resistance becomes. The reciprocal of the electrical resistance value of a solution with a cross-sectional area of 1 cm² and an electrode distance of 1 cm is called conductivity, expressed in S/cm, mS/cm, or μS/cm. It is used for measuring the purity of pure and ultra-pure water used in semiconductor and pharmaceutical factories, as well as for investigating the pollution of environmental water such as rivers and measuring the concentration of acids, alkalis, and salts contained in solutions.

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