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The nonaqueous microtitration of pentaerythritol tetranitrate (PETN)

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Summary

PETN has been determined by nonaqueous titration as an acid in pyridine and l, l,3,3-tetramethylguanidine. The titrant was tetrabutylammonium hydroxide. Endpoints were determined potentiometrically by a glass/modified calomel electrode system, or by two polarized platinum electrodes. The method may be applicable to other very weakly acidic compounds for which no other titrimetric methods are currently available.

Zusammenfassung

Pentaeerythrit-Tetranitrat wurde als Säure gelöst in Pyridin und 1,1,3,3-Tetramethylguanidin mit Tetrabutylammoniumhydroxid titriert. Der Endpunkt wurde potentiometrisch mit dem System Glaselektrode/modifizierte Kalomelelektrode oder mit zwei polarisierten Platinelektroden bestimmt. Das Verfahren dürfte sich auch für andere sehr schwache Säuren eignen, für die andere maßanalytische Methoden zur Zeit nicht verfügbar sind.

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Authors and Affiliations

  1. Lawrence Livermore Laboratory, University of California, 94550, Livermore, California, USA

    Walter Selig

Authors
  1. Walter Selig
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Additional information

Work performed under the auspices of the U. S. Department of Energy by the Lawrence Livermore Laboratory under contract number W-7405-ENG-48.

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Selig, W. The nonaqueous microtitration of pentaerythritol tetranitrate (PETN). Mikrochim Acta 70, 169–175 (1978). https://doi.org/10.1007/BF01196478

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  • DOI: https://doi.org/10.1007/BF01196478

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