Superseded
Standard
Historical
ASTM D2798-99
Standard Test Method for Microscopical Determination of the Reflectance of Vitrinite in a Polished Specimen of Coal
Summary
1.1 This test method covers the microscopical determination of both the mean maximum and mean random reflectances measured in oil of polished surfaces of vitrinite and other macerals present in coals ranging in rank from lignite to anthracite. This test method can be used to determine the reflectance of other macerals.
1.2 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.
Technical characteristics
| Publisher | American Society for Testing and Materials (ASTM International) |
| Publication Date | 04/10/1999 |
| Collection | |
| Page Count | 5 |
| Themes | Chemical elements |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
15/05/2021
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01/02/2020
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01/06/2011
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15/04/2011
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15/04/2011
Superseded
, Reaffirmed
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01/09/2009
Superseded
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01/04/2009
Superseded
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01/09/2006
Superseded
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01/05/2005
Superseded
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10/04/1999
Superseded
Historical
10/04/1999
Superseded
, Reaffirmed
Historical