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Journal of Solution Chemistry

, Volume 16, Issue 10, pp 791–803 | Cite as

The thermodynamics of aqueous borate solutions I. Mixtures of boric acid with sodium or potassium borate and chloride

  • J. M. Simonson
  • R. N. Roy
  • L. N. Roy
  • D. A. Johnson
Article

Abstract

Potentials for the cell without liquid junction\(H_2 ,Pt\backslash B(OH)_3 (m_1 ), MB(OH)_4 (m_2 ), MCl(m_3 )\backslash AgClAg\) where M is sodium or potassium are reported over a range of ionic strength to I=3 mol-kg−1 at 5 to 55°C. Total boron concentration in the solutions was restricted to low levels to minimize formation of polynuclear boron species. Cell potentials are treated with the Pitzer ion interaction treatment for mixed electrolytes, with linear ionic strength dependence assumed for the activity coefficient of undissociated boric acid. Trace activity coefficients of sodium and potassium borates in chloride media are calculated at various temperatures.

Key words

Borates aqueous thermodynamics electrolytes Harned cells 

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Copyright information

© Plenum Publishing Corporation 1987

Authors and Affiliations

  • J. M. Simonson
    • 1
  • R. N. Roy
    • 2
  • L. N. Roy
    • 2
  • D. A. Johnson
    • 3
  1. 1.Chemistry DivisionOak Ridge National LaboratoryOak Ridge
  2. 2.Department of ChemistryDrury CollegeSpringfield
  3. 3.Department of ChemistrySpring Arbor CollegeSpring Arbor

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