Authors:
W. Müller-Litz Padagogische Hochschule »Dr. Theodor Neubauer« Erfurt- Mühlhausen Hochschulbereich Mühlhausen, Sektion Chemie/Biologie D. D. R.

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M. Mortag Padagogische Hochschule »Dr. Theodor Neubauer« Erfurt- Mühlhausen Hochschulbereich Mühlhausen, Sektion Chemie/Biologie D. D. R.

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The thermal behaviours of alkylammonium and potassium N-alkylthiocarbamates of general formula (RNH3) (RHNCXY) (where X= Y= S or X= S and Y= 0; R=n-C3H3,i-C3H3,n-C4H9,i-C4H9 orc-C6H11) and K(RHNCOS) (where R=CH3, C2H5,n-C3H7,i-C3H7,n-C4H9,i-C4H9 orc-C6H11) were investigated. The decomposition mechanisms exhibit a similar character for all studied compounds. In the course of thermolysis symmetric dialkylureas and dialkylthioureas, as well as amines, CS2 (or COS) and H2S are formed. The alkylammonium thiocarbamates decompose without any residue, whereas with potassium monothiocarbamates potassium sulfate is left as a residue. For the process of urea and thiourea formation during the first step of decomposition, the activation energies were computed for some compounds.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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