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Normas ASTM – AENOR
ASTM D4419-90(2000)

ASTM D4419-90(2000)

Standard Test Method for Measurement of Transition Temperatures of Petroleum Waxes by Differential Scanning Calorimetry (DSC)

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 This test method measures the transition temperatures of petroleum waxes, including microcrystalline waxes, by differential scanning calorimetry (DSC). These transitions may occur as a solid-solid transition or as a solid-liquid transition.

1.2 The normal operating temperature range extends from 15oC to 150oC (Note 1).

1.3 The values stated in SI units are to be regarded as the standard.

1.4 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:
differential scanning caloriemetry; petroleum wax; thermal properties; transition temperature
44,44
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