Electrolytic Separation of the Oxygen Isotopes

descriptionPublicationkeyboard_double_arrow_right Article 07 Dec 1935 English Publisher:Springer Science and Business Media LLCJournal:Nature, volume 136, pages 912-912 (issn: 0028-0836, eissn: 1476-4687,

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Authors: GEOFFREY OGDEN;

doi: 10.1038/136912a0

Electrolytic Separation of the Oxygen Isotopes

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Abstract

WASHBURN and Urey1 first directed attention to the fact that fractionation of the isotopes of oxygen occurs simultaneously with that of the hydrogen isotopes during the electrolysis of water. The electrolytic separation coefficient for the oxygen isotopes has been determined in a series of experiments carried out in the Research Laboratories of Imperial Chemical Industries, Ltd., and was found to be 0·87 when using nickel electrodes and l·25N NaOH as the electrolyte. This value is in good agreement with that of = 0·85 calculated from the results of Washburn, Smith and Smith2 who used nickel plated cast iron electrodes—the electrolyte being 5N NaOH.

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IMPERIAL CHEMICAL INDUSTRIES LIMITED
United Kingdom

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