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Measurement of mutual-diffusion coefficients for the system KNO3−H2O at 25°C

Abstract

Mutual-diffusion coefficients measured on the volume fixed frame of reference are reported for KNO3−H2O at 25°C over the concentration range 0.025 to 2.61M. The diffusion coefficients decrease monotonically from 1.928×10−9 m2-sec−1 to 1.166×10−9 m2-sec−1 as the concentration increases from 0.0 to 2.61M. A series of density measurements are reported for this system over the molar concentration range of 0.082 to 2.513M.

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Correspondence to John G. Albright.

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Daniel, V., Albright, J.G. Measurement of mutual-diffusion coefficients for the system KNO3−H2O at 25°C. J Solution Chem 20, 633–642 (1991). https://doi.org/10.1007/BF00647073

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Key Words

  • Mutual
  • diffusion
  • coefficients
  • density
  • thermodynamic transport
  • potassium
  • nitrate
  • aqueous
  • solutions
  • water