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ASTM E928-96

Historical Revision

Standard Test Method for Purity by Differential Scanning Calorimetry

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1.1 This test method covers the determination of purity by use of differential scanning calorimetry and the evaluation of the results using the van't Hoff equation.

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

1.3 Determination of purity by this test method is only applicable when the impurity dissolves in the melt and is insoluble in the crystal.

1.4 Computer- or electronic-based instruments, techniques, or data treatments equivalent to this test method may also be used.

Note 1--Since all data treatments are not equivalent, it is the responsibility of the user to verify equivalency prior to use.

1.5 SI values are the standard.

1.6 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.

1.6 There is no ISO method equivalent to this method.


SDO ASTM: ASTM International
Document Number E928
Publication Date Feb. 10, 2001
Language en - English
Page Count 4
Revision Level 96
Supercedes
Committee E37.01
Publish Date Document Id Type View
May 1, 2019 E0928-19 Revision
Sept. 1, 2008 E0928-08 Revision
March 10, 2003 E0928-03 Revision
Feb. 10, 2001 E0928-96 Revision
Feb. 10, 2001 E0928-01 Revision
Aug. 15, 2014 E0928-08R14 Reaffirmation