Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 50: Issue 4
CRTA for the thermoanalytical screening of volatile compounds
1. Calibration of standard Q-derivatograph sample holders vs. vapor partial pressures during quasi-isobaric quasi-isothermal heating
Authors:
V. Logvinenko Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences Novosibirsk, 630090 Russia

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G. Gavrilova Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences Novosibirsk, 630090 Russia

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I. Karpova Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences Novosibirsk, 630090 Russia

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P. Stabnikov Institute of Inorganic Chemistry, Siberian Branch of Russian Academy of Sciences Novosibirsk, 630090 Russia

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Pages:
587–592
Online Publication Date:
02 Aug 2005
Publication Date:
01 Nov 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01979030
Keywords:
coordination compounds; CRTA; quasi-equilibrium; TG; thermodynamics; volatility
Restricted access

Abstract  

Quasi-equilibrium thermogravimetry (variant of CRTA) is utilized as a thermoanalytical screening method for volatile compounds, standard Q-derivatograph sample holders (platelike holder, open crucible, crucible with lid, and conical holder) were calibrated against the partial pressures of metal β-diketonate vapor (in sublimation and evaporation processes) in the range 0.0006–0.11 atm. The mathematical relationship between the vapor partial pressure, the holder construction, the vapor molecular mass, and the mutual diffusion coefficient of the gas was derived and considered. It is possible to obtain a roughp-T relationship for volatile compounds by using stabilized temperatures of sublimation (evaporation) processes in four pressure-calibrated sample holders.

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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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