Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 62: Issue 1
Synthesis, Identification and Thermal Decomposition of Double Sulfates of Mn, Cu and Cd with Benzylammonium
Authors:
V. Jordanovska 'Sv. Kiril I Metodij' University Institute of Chemistry, Faculty of Science P. O. Box 162 MK-91001 Skopje Macedonia P. O. Box 162 MK-91001 Skopje Macedonia

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B. Boyanov Plovdiv University 'Paisii Hilendarski' Faculty of Chemistry 4025 Plovdiv Bulgaria 4025 Plovdiv Bulgaria

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P. Naumov 'Sv. Kiril I Metodij' University Institute of Chemistry, Faculty of Science P. O. Box 162 MK-91001 Skopje Macedonia P. O. Box 162 MK-91001 Skopje Macedonia

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Pages:
267–275
Online Publication Date:
02 Nov 2004
Publication Date:
01 Oct 2000
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010191518212
Keywords:
benzylammonium; double sulfates; transition metal(II) elements
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Abstract  

On evaporation of an aqueous mixture of M(II) sulfate (M(II) = Mn, Co, Ni, Cu, Zn or Cd) and benzylammonium sulfate in a molar ratio of 1:2 at room temperature in the presence of sulphuric acid, double sulfates of only Mn, Cu and Cd were obtained. The stoichiometries of the compounds were determined by means of elemental and TG analysis. It was concluded that these compounds have the same general formula: M(C6 H5 CH2 NH3 )2 (SO4 )2 4H2 O. These compounds have the same stoichiometry as that of the corresponding double sulfates with ethanolammonium cation, but have different crystal structures. The thermal decompositions of the investigated compounds in the temperature range from ambient temperature up to 1000C take place in a similar way, in three well-differentiated stages, but with different pathways in the second and third stages. Metal oxides were obtained as final products.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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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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