Journal of Solution Chemistry

, Volume 38, Issue 9, pp 1203–1215 | Cite as

Establishment of a Hydrogen Scale in 80 Mass % Propylene Carbonate + p-Xylene Medium

  • Damaraju Parvatalu
  • Ashwini K. Srivastava


Details of the standardization of the reference electrode Hg/HgCl2(s) versus the SHE by a potentiometric method using two acids (viz., perchloric and 2,5-dichlorobenzene-sulfonic acids) in 80 mass % propylene carbonate (PC) + p-xylene (PX), are presented. Using this reference electrode, the standard electrode potential of the quinhydrone electrode was determined in this medium. The reference electrode potential and the standard electrode potential of the quinhydrone electrode were found to be (0.277±0.003) and (0.760±0.003) V versus SHE in 80 mass % PC + PX at 25 °C, respectively. The voltammetric behavior of the quinhydrone system in this medium was investigated at a micro platinum electrode against a non-aqueous double-junction Ag/AgCl reference electrode. The standard electrode potential of the quinhydrone system was also calculated using voltammetric and chronocoulometric data that is comparable with the value obtained by potentiometry.


Propylene carbonate p-Xylene Quinhydrone electrode Potentiometry Voltammetry Chronocoulometry 


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© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of ChemistryUniversity of MumbaiVidyanagari, Santacruz (E), MumbaiIndia

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