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The Thermodynamic Constants of the Dithionite (Hydrosulfite) Ion

McMillan, W. G., Jr. and Roberts, John D. and Coryell, Charles D. (1942) The Thermodynamic Constants of the Dithionite (Hydrosulfite) Ion. Journal of the American Chemical Society, 64 (2). pp. 398-399. ISSN 0002-7863. http://resolver.caltech.edu/CaltechAUTHORS:20150929-212117202

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Abstract

Latimer has pointed out a discrepancy in the literature in the thermodynamic constants for the dithionite (hydrosulfite) ion (S_2O_4^(-2_). The calculated value for the free energy of formation of the ion from the calorimetric data of Berthelot on its oxidation (to bisulfite ion) by oxygen is - 126 kcal., obtained by Latimer with the aid of an estimated molal entropy of 8 cal.,/deg. The value calculated by him from a derived electrode potential given by Jellinek for the dithionite-bisulfite couple is - 138 kcal.


Item Type:Article
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http://dx.doi.org/10.1021/ja01254a047DOIArticle
http://pubs.acs.org/doi/abs/10.1021/ja01254a047PublisherArticle
Additional Information:© 1942 American Chemical Society. Received October 21, 1941.
Record Number:CaltechAUTHORS:20150929-212117202
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150929-212117202
Official Citation:The Thermodynamic Constants of the Dithionite (Hydrosulfite) Ion W. G. McMillan Jr., John D. Roberts, and Charles D. Coryell Journal of the American Chemical Society 1942 64 (2), 398-399 DOI: 10.1021/ja01254a047
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:60600
Collection:CaltechAUTHORS
Deposited By: George Porter
Deposited On:30 Sep 2015 20:22
Last Modified:13 Feb 2019 18:03

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