ASTM D 2797/D2797M : 2021 : REV A
Current
The latest, up-to-date edition.
Standard Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light
Hardcopy , PDF
English
09-15-2021
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
D 05
|
| DocumentType |
Standard Practice
|
| Pages |
5
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Current
|
| Supersedes |
1.1This practice covers laboratory procedures for the preparation of granular samples of bituminous coal and anthracite samples for examination with a microscope using reflected light illumination. It does not apply to the preparation of oriented blocks of coal.
1.2Units—The values stated in either SI units or non-SI units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined.
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.
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| ASTM D 2799 : 2021 | Standard Test Method for Microscopical Determination of the Maceral Composition of Coal |
| ASTM D 2799 : 2013 : R2021 : EDT 1 | Standard Test Method for Microscopical Determination of the Maceral Composition of Coal |
| ASTM D 4596 : 2022 | Standard Practice for Collection of Channel Samples of Coal in a Mine |
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| ASTM D 4596 : 2009 : R2015 | Standard Practice for Collection of Channel Samples of Coal in a Mine |
| ASTM D 2799 : 2023 | Standard Test Method for Microscopical Determination of the Maceral Composition of Coal |
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