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New NIST-traceable Standards for Calibration and Validation of Differential Scanning Calorimetry

Author(s)

Donald G. Archer

Abstract

Several reference materials and associated reference values have been recommended for the purposes of calibration and/or validation of differential scanning calorimetry (DSC). However, issues of available sample purity, reference-property value accuracy, and potential undesired reactions between reference materials and the materials used for sample pans have not been considered sufficiently in some of the recommendations of property values for the materials. These limitations attenuate greatly the usefulness of many of these reference material recommendations. Indeed, the state of uncertainty regarding true reference property values can be shown to be a limiting factor in the uncertainty of measurements made with DSC. NIST has certified the temperatures and enthalpies of fusion of two new Standard Reference Materials, SRMs 2234 and 2235, in order to help alleviate some of the difficulty.
Proceedings Title
Proc. North American Thermal Analysis Society (NATAS) Conf.
Conference Dates
September 19-21, 2005
Conference Location
Universal City, CA
Conference Title
North American Thermal Analysis Soc. (NATAS) Conf.

Keywords

Bismuth, differential scanning calorimetry, gallium, Standard Reference Materials, thermal analysis

Citation

Archer, D. (1970), New NIST-traceable Standards for Calibration and Validation of Differential Scanning Calorimetry, Proc. North American Thermal Analysis Society (NATAS) Conf., Universal City, CA (Accessed June 20, 2024)

Issues

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Created August 26, 2016, Updated January 27, 2020