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Isotopic analysis of7LiOH samples by SSMS

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Abstract

A methodology for the isotopic determination of lithium in enriched7LiOH.2H2O samples by SSMS is described. The photoplate emulsion calibration curve was not used. The accuracy of the results was checked against the analysis of LiOH.2H2O with natural isotopic composition, and it was found that the result obtained was accurate within 5% with respect to the published natural value. The accuracy was improved using an enriched in7Li reference sample. The technique was applied to the analysis of batches of7LiOH.2H2O to be used in a nuclear power reactor to control the pH in the water cooling system.

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Authors and Affiliations

  1. Comisión Nacional de Energia Atómica, Av. del Libertador 8250, 1429, Buenos Aires, Argentina

    R. A. Lukaszew, C. J. Noutary & R. F. Cretella

Authors
  1. R. A. Lukaszew
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  2. C. J. Noutary
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  3. R. F. Cretella
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Additional information

SSMS: Spark Source Mass Spectrometry.

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Lukaszew, R.A., Noutary, C.J. & Cretella, R.F. Isotopic analysis of7LiOH samples by SSMS. Journal of Radioanalytical and Nuclear Chemistry Letters 144, 335–341 (1990). https://doi.org/10.1007/BF02218140

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  • DOI: https://doi.org/10.1007/BF02218140

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