Standard potential of silver-silver chloride electrode and related thermodynamic quantities in glycerol at 5 to 45°C

Rabindra N. Roy, William Vernon, James J. Gibbons, Alfred L.M. Bothwell

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Standard potentials of the Ag−AgCl electrode in glycerol have been determined by a polynomial curve-fitting program from e.m.f. measurements of cells of the type Pt; H2 (g, 1 atm) |HCl (m), glycerol| AgCl, Ag, at nine different temperatures in the range 5 to 45°C. The primary medium effect of the solvent upon HCl was also calculated. The temperature variation of the difference in standard e.m.f. in two solvents (water and pure glycerol) was utilized to calculate the thermodynamic quantities (ΔGo, ΔHo, ΔSo, and ΔCpo) for the transfer of one mole of HCl from water to glycerol. The results have been interpreted in regard to the acid-base properties and the structure of the solvent.

Original languageEnglish (US)
Pages (from-to)101-107
Number of pages7
JournalJournal of Electroanalytical Chemistry
Volume34
Issue number1
DOIs
StatePublished - 1972
Externally publishedYes

ASJC Scopus subject areas

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Electrochemistry

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