ASTM D4616-23

Standard Test Method for Microscopical Analysis by Reflected Light and Determination of Mesophase in a Pitch

ASTM International , 10/01/2023

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 10/01/2023

Published:10/01/2023

Pages:11

File Size:1 file , 790 KB

Language:English

Note:This product is unavailable in Russia, Ukraine, Belarus

1.1This test method covers laboratory procedures for the preparation of granular and melted samples for microscopic analysis using reflected light to identify and estimate the amount and size of the mesophase.

1.2The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

1.3This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.