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A TG/GC/MS study of copper dimethyl- and diethyldithiocarbamates

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Abstract

The thermal decomposition products of copper dimethyldithiocarbamate and copper diethyldithiocarbamate have been semi-quantitatively analyzed by a combined gas chromatography — mass spectrometry technique and thermal decomposition mechanisms for both complexes are proposed. The fragmentation pathway is strongly influenced by the nature of the terminal alkyl group attached to the dithiocarbamate moiety.

Résumé

Emploi d'une technique qui associe la chromatographie en phase gazeuse et la spectrométrie de masse pour l'analyse semi-quantitative des produits de la décomposition thermique du diméthyldithiocarbamate et du diéthyldithiocarbamate de cuivre. Des mécanismes de décomposition thermique sont proposés pour ces deux complexes. Le processus de la fragmentation est fortement influencé par la nature du groupe alkyle terminal lié au groupe dithiocarbamate.

Zusammenfassung

Die thermischen Zersetzungsprodukte von Kupfer-Dimethyldithiokarbamat und Kupfer-Diäthyldithiokarbamat wurden unter Verwendung einer halbquantitativ analysiert und thermische Zersetzungsmechanismen für beide Komplexe vorgeschlagen. Der Fragmentierungsweg wird durch die Beschaffenheit der an den Dithiokarbamat-Teil gebundenen terminalen Alkylgruppe stark beeinflusst.

Резюме

Полуколичественно п роанализированы про дукты термического разлож ения диметил- и диэтилдити окарбаматов меди с по мощью комбинационной техн ики газхроматографи я — масс-спектрометрия. Для обоих комплексов предложен механизм термическо го разложения. Иуть фраг ментации сильно зави сит от природы концевых алк ильных групп, присоединенны х к дитиокарбаматому остову.

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Authors and Affiliations

  1. Departments of Physical & Inorganic and Analytical Chemistry, La Trobe University, 3083, Bundoora, Melbourne, Victoria, Australia

    C. G. Sceney, J. F. Smith, J. O. Hill & R. J. Magee

  2. Shell Chemical (Australia) Proprietary Limited, 3000, Melbourne, Australia

    C. G. Sceney

Authors
  1. C. G. Sceney
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  2. J. F. Smith
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  3. J. O. Hill
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  4. R. J. Magee
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Sceney, C.G., Smith, J.F., Hill, J.O. et al. A TG/GC/MS study of copper dimethyl- and diethyldithiocarbamates. Journal of Thermal Analysis 9, 415–423 (1976). https://doi.org/10.1007/BF01909407

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  • DOI: https://doi.org/10.1007/BF01909407

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