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  • 1 CSIC-UNSE Sevilla Instituto de Ciencia de Materiales de Sevilla c/. Américo Vespucio, s/n 41092 Sevilla Spain c/. Américo Vespucio, s/n 41092 Sevilla Spain
  • | 2 Academy of Sciences of the Czech Republic Řež Institute of Inorganic Chemistry 250 68 Řež Czech Republic 250 68 Řež Czech Republic
  • | 3 Instituto de Ciencia de Materiales de Sevilla (CSIC-UNSE) Avda. Americo Vespucio s/n 41092 Sevilla Spain Avda. Americo Vespucio s/n 41092 Sevilla Spain
  • | 4 Moscow State University Chemical Faculty 119899 Moscow, GSP-3 Russia 119899 Moscow, GSP-3 Russia
  • | 5 Nuclear Research Institute Řež CZ-25068 Řež Czech Republic CZ-25068 Řež Czech Republic
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Abstract  

Emanation thermal analysis (ETA), thermogravimetry, DTA and XRD were used in thermal characterization of natural vermiculite (Santa Olalla, Huelva, Spain) and of Na+- and - exchanged vermiculite samples during heating in air in the range 25-1100C. A good agreement between the results of these methods was found. Changes in the radon release rate measured by ETA, which reflected the decrease and collapse of the interlayer space after the release of water as well as the formation of new crystalline phases were evaluated using a mathematical model. The model used for the evaluation was found suitable for the quantitative characterization of microstructure changes during in situ conditions of heating of vermiculite samples.

Manuscript Submission: HERE

  • Impact Factor (2019): 2.731
  • Scimago Journal Rank (2019): 0.415
  • SJR Hirsch-Index (2019): 87
  • SJR Quartile Score (2019): Q3 Condensed Matter Physics
  • SJR Quartile Score (2019): Q3 Physical and Theoretical Chemistry
  • Impact Factor (2018): 2.471
  • Scimago Journal Rank (2018): 0.634
  • SJR Hirsch-Index (2018): 78
  • SJR Quartile Score (2018): Q2 Condensed Matter Physics
  • SJR Quartile Score (2018): Q2 Physical and Theoretical Chemistry

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
4
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)