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Normas ASTM – AENOR
ASTM D4893-94(2015)e1

ASTM D4893-94(2015)e1

Standard Test Method for Determination of Pitch Volatility

Fecha:
2020-06-19 /Historical
Superseeded by:
Significance and Use:

3.1 This test is useful in evaluating and characterizing pitch physical properties in comparing the consistency of shipments and sources of supply.

Scope:

1.1 This test method covers the determination of the percent of pitch volatility.

1.2 Since this test method is empirical, strict adherence to the procedure is necessary.

1.3 The values stated in SI units are to be regarded as the standard. The values in parentheses are given for information only.

1.3.1 Exceptions—The diameter of a special aluminum block is measured in inches.

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:
coal; pitch; tar; volatility;
50,42
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