An Accurate Equation for the Electrolytic Conductivity of Potassium Chloride Solutions |
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Authors: | Charles B McKee |
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Institution: | (1) 7373 E. US Hwy 60, #73, Gold Canyon, AZ 85218, USA |
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Abstract: | An empirical equation has been developed to model the electrolytic conductivity of potassium chloride (KCl) solutions over
the temperature range 0 to 55 °C (ITS-90) and molality concentrations from 0 to 5 mol⋅kg−1 (H2O). The National Institute of Standards and Technology (NIST) Demal values are treated as the defining data and selected historical
data provided further data. Changes in the definition of the ohm, liter and temperature scales have been identified and the
historical data were converted to modern units. The accuracy of the equation is estimated to be equal to 0.03% as suggested
by NIST as the accuracy of these data. |
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Keywords: | Conductivity Electrolytic conductivity Calibration Potassium chloride |
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