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ISOTOPE ENRICHMENT BY ELECTROMIGRATION IN A MIXTURE OF MOLTEN RbNO$sub 3$ AND LiNO$sub 3$

Journal Article · · Annals of the New York Academy of Sciences (U.S.)
OSTI ID:4196489

Applying Klemm's method for studying electrondgration, the molten salt chain cathode-LiNO/sub 3/-RbNO/sub 3/-anode was electrolyzed for 107 hours at 450 deg C with a current density in the separation column of 3.5 amp/cm/sup 2/. The boundary between the two nitrates was not sbarp: after the run both main compounds were present in all samples, together with various amounts of the impurities NaNO/sub 3/, KNO/sub 3/, and CsNO/sub 3/. The experiment was designed for studying the enrichment of Rb/sup 85/ relative to Rb/sup 87/; the abundance ratio Process separation factor, which is equal to the relative difference in mobility for the two ions was 0.0011. The results is compared with isotope effects found in other mixures and in pure salts. In addition, the isotope abundance ratios Li/sup 7/Li/sup 6/ and K/sup 39/K/sup 41/ and the concentration r atios K/Rb, Cs/Rb. and Na/Li were measured, and their significance for mobility measurements are discussed. (auth)

Research Organization:
Chalmers Inst. of Tech., Goteborg
NSA Number:
NSA-14-011880
OSTI ID:
4196489
Journal Information:
Annals of the New York Academy of Sciences (U.S.), Journal Name: Annals of the New York Academy of Sciences (U.S.) Vol. Vol: 79; ISSN ANYAA
Country of Publication:
Country unknown/Code not available
Language:
English

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