Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 53: Issue 3
Determination of Specific Heats Using Isothermal Microcalorimetry
Authors:
V.-P. Lehto University of Turku Department of Physics FIN-20014 Turku FIN-20014 Turku

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M. Rahkola University of Turku Department of Physics FIN-20014 Turku FIN-20014 Turku

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E. Laine University of Turku Department of Physics FIN-20014 Turku FIN-20014 Turku

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L. Ylianttila Radiation and Nuclear Safety Authority P.O. Box 14 FIN-00881 Helsinki Finland P.O. Box 14 FIN-00881 Helsinki Finland

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P. Hyssalo Radiation and Nuclear Safety Authority P.O. Box 14 FIN-00881 Helsinki Finland P.O. Box 14 FIN-00881 Helsinki Finland

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K. Jokela Radiation and Nuclear Safety Authority P.O. Box 14 FIN-00881 Helsinki Finland P.O. Box 14 FIN-00881 Helsinki Finland

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Pages:
685–695
Online Publication Date:
03 Nov 2004
Publication Date:
01 Sep 1998
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010166005911
Keywords:
DSC; isothermal microcalorimetry; specific heat capacity; tissue equivalent liquid
Restricted access

Abstract  

The specific heat capacities (cp) for the brain and muscle equivalent liquids were determined with isothermal heat conduction microcalorimetry (IMC) and differential scanning calorimetry (DSC). IMC was found to afford an accurate technique to measure cp for solid and liquid samples, when an appropriate reference is employed. The accuracy of obtained cp values was estimated to be better than 0.7% with the equivalent liquids. Intercomparison with a conventional isoperibolic calorimeter showed an excellent agreement within the estimated uncertainty of the isoperibolic calorimeter (3%). Additionally, suitability of different kinds of IMC sample vessels was tested, and the standard electrical calibration procedure of IMC was evaluated through the determination of cp with and without a reference material.

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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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