Author:
Bartlett H. E.,Jurriaanse A.,Haas K. De
Abstract
Accurate values of the activity coefficients of thiocyanic acid in aqueous solution have been obtained for concentrations of up to 0.1 molal at 25 °C by combining results for transference-number experiments with those for cells with transport. The transference-number experiments were done with the moving-boundary method, the transference-number at infinite dilution being calculated from measured conductivities of the thiocyanic acid. For the electromotive force (e.m.f.) measurements, conventional glass electrodes were used in conjunction with a high input-impedance electrometer.The results obtained electrochemically were checked by determining activity coefficients from freezing-point depression measurements which also extended the range of concentrations to 1 molal.The results of the two types of measurement are in good agreement.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
16 articles.
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