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ASTM E794-06

ASTM E794-06

Standard Test Method for Melting And Crystallization Temperatures By Thermal Analysis

2012-11-12 /Historical
Superseeded by:
Significance and Use:

Differential scanning calorimetry and differential thermal analysis provide a rapid method for determining the fusion and crystallization temperatures of crystalline materials.

This test is useful for quality control, specification acceptance, and research.


1.1 This test method describes the determination of melting (and crystallization) temperatures of pure materials by differential scanning calorimetry (DSC) and differential thermal analysis (DTA).

1.2 This test method is generally applicable to thermally stable materials with well-defined melting temperatures.

1.3 The normal operating range is from 120 to 600 C for DSC and 25 to 1500 C for DTA. The temperature range can be extended depending upon the instrumentation used.

1.4 Computer or electronic based instruments, techniques, or data treatment equivalent to those in this test method may be used.

1.5 SI units are the standard.

This standard does not purport to address all of the safety problems, 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.

crystallization; differential scanning calorimeter; DSC; energy; enthalpy; fusion; heat; melting
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