Enthalpy of Fusion of Indium:  A Certified Reference Material for Differential Scanning Calorimetry

An adiabatic calorimeter was used to measure the enthalpy of fusion of a very pure sample of indium. The new value of the enthalpy of fusion was determined to be Δfus H = (28.6624 ± 0.0076) J·g-1, where the uncertainty corresponded to a 95% confidence interval. The temperature of fusion of this samp...

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Bibliographic Details
Published inJournal of chemical and engineering data Vol. 48; no. 5; pp. 1157 - 1163
Main Authors Archer, Donald G, Rudtsch, Steffen
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 01.09.2003
Subjects
Chemical thermodynamics
Chemistry
Exact sciences and technology
General and physical chemistry
General. Theory
Differential scanning calorimetry
Thermal analysis
Heat of fusion
Indium
Thermodynamic properties
Certified reference material
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Summary:An adiabatic calorimeter was used to measure the enthalpy of fusion of a very pure sample of indium. The new value of the enthalpy of fusion was determined to be Δfus H = (28.6624 ± 0.0076) J·g-1, where the uncertainty corresponded to a 95% confidence interval. The temperature of fusion of this sample was found to not differ from the ITS-90 assigned value within the accuracies of the thermometry used in the present study. A comparison with previous determinations is made.
Bibliography:Certain commercial materials and suppliers are identified in this paper in order to adequately specify the experimental procedure. Such identification does not imply recommendation or endorsement by either the U.S. Government or the National Institute of Standards and Technology, nor does it imply that the equipment or materials identified are necessarily the best available for the purpose.
istex:2C5F9FC637922DC7DB443D2D2F74354D8E26D399
ark:/67375/TPS-N283HLC5-W
ISSN:0021-9568
1520-5134
DOI:10.1021/je030112g