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Description of ASTM-E793 2006ASTM E793-06Historical Standard: Standard Test Method for Enthalpies of Fusion and Crystallization by Differential Scanning CalorimetryASTM E793Scope 1.1 This test method describes the determination of the enthalpy (heat) of fusion (melting) and crystallization by differential scanning calorimetry (DSC). 1.2 This test method is applicable to solid samples in granular form or in any fabricated shape from which an appropriate specimen can be cut, or to liquid samples that crystallize within the range of the instrument. Note, however, that the results may be affected by the form and mass of the specimen, as well as by other experimental conditions. 1.3 The normal operating temperature range is from -120 to 600°C. The temperature range can be extended depending upon the instrumentation used. 1.4 This test method is generally applicable to thermally stable materials with well defined endothermic or exothermic behavior. 1.5 Computer or electronic based instruments, techniques, or data treatment equivalent to those in this test method may also be used. 1.6 SI units are the standard. 1.7 The enthalpy of melting and crystallization portion of ISO 11357-3 is equivalent to this standard. 1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Keywords crystallization; differential scanning calorimeter; DSC; energy; enthalpy; fusion; heat; melting ICS Code ICS Number Code 17.200.10 (Heat. Calorimetry) DOI: 10.1520/E0793-06 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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