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  2. Conductivity (electrolytic) - Wikipedia

    en.wikipedia.org/wiki/Conductivity_(electrolytic)

    Conductivity or specific conductance of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is siemens per meter (S/m). Conductivity measurements are used routinely in many industrial and environmental applications as a fast, inexpensive and reliable way of measuring the ionic content in a ...

  3. Electrical resistivity and conductivity - Wikipedia

    en.wikipedia.org/wiki/Electrical_resistivity_and...

    Electrical conductivity of water samples is used as an indicator of how salt-free, ion-free, or impurity-free the sample is; the purer the water, the lower the conductivity (the higher the resistivity). Conductivity measurements in water are often reported as specific conductance, relative to the conductivity of pure water at 25 °C.

  4. Properties of water - Wikipedia

    en.wikipedia.org/wiki/Properties_of_water

    In pure water, sensitive equipment can detect a very slight electrical conductivity of 0.05501 ± 0.0001 μS/cm at 25.00 °C. [56] Water can also be electrolyzed into oxygen and hydrogen gases but in the absence of dissolved ions this is a very slow process, as very little current is conducted.

  5. Water (data page) - Wikipedia

    en.wikipedia.org/wiki/Water_(data_page)

    Electrical conductivity of highly purified water at saturation pressure [13] Temperature, °C Conductivity, μS/m 0.01: 1.15 25: 5.50 ... Water/steam data table at ...

  6. Drinking water quality standards - Wikipedia

    en.wikipedia.org/wiki/Drinking_water_quality...

    Drinking water quality standards describes the quality parameters set for drinking ... electrical conductivity 2500 μS/cm at 20 °C Total dissolved solids <1000 ppm

  7. Purified water - Wikipedia

    en.wikipedia.org/wiki/Purified_water

    Although water is generally considered to be a good electrical conductor—for example, domestic electrical systems are considered particularly hazardous to people if they may be in contact with wet surfaces—pure water is a poor conductor. The conductivity of water is measured in Siemens per meter (S/m).

  8. Electrical conductivity meter - Wikipedia

    en.wikipedia.org/wiki/Electrical_conductivity_meter

    An electrical conductivity meter. An electrical conductivity meter (EC meter) measures the electrical conductivity in a solution. [1] It has multiple applications in research and engineering, with common usage in hydroponics, aquaculture, aquaponics, and freshwater systems to monitor the amount of nutrients, salts or impurities in the water.

  9. Resistivity logging - Wikipedia

    en.wikipedia.org/wiki/Resistivity_logging

    Indeed, pure water is very poorly dissociated by its self-ionisation (at 25 °C, pK w = 14, so at pH = 7, [H +] = [OH –] = 10 −7 mol/L) and thus water itself does not significantly contribute to conduct electricity in an aqueous solution. The resistivity of pure water at 25 °C is 18 MΩ·cm, or its conductivity (C = 1/R) is 0.055 μS/cm.