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The purification of lithium and its analysis for hydrogen and nitrogen

Reinigung von Lithium und Bestimmung des H- und N-Gehaltes

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Zusammenfassung

Die Probe wird im Vakuum bei 650–700° C in einer Apparatur aus rostfreiem Stahl destilliert, Li in einem Molybdäntiegel aufgefangen und H massenspektrometrisch bestimmt. N wird chemisch mit Hilfe einer colorimetrischen Methode bestimmt. Die Nachweisgrenze liegt bei 0,5 ppm (H) bzw. 10 ppm (N).

Summary

For the purification of lithium and determination of its H and N content the sample is distilled in vacuum at 650–700° C in a stainless steel apparatus, Li collected in molybdenum crucibles and analysed for H by mass spectrometry. N is determined chemically by a colorimetric method. The limit of detection is 0.5 and 10 ppm for H and N, respectively.

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References

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Authors and Affiliations

  1. Institut für Nuklearchemie der Kernforschungsanlage Jülich GmbH, Deutschland

    A. J. Blair & C. H. Wu

Authors
  1. A. J. Blair
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  2. C. H. Wu
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Blair, A.J., Wu, C.H. The purification of lithium and its analysis for hydrogen and nitrogen. Z. Anal. Chem. 275, 261–263 (1975). https://doi.org/10.1007/BF00429370

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  • DOI: https://doi.org/10.1007/BF00429370

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