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Standard Practice for Polishing and Etching Coal Samples for Microscopical Analysis by Reflected Light
STANDARD published on 1.4.2011
Designation standards: ASTM D5671-95(2011)
Note: WITHDRAWN
Publication date standards: 1.4.2011
SKU: NS-32117
The number of pages: 4
Approximate weight : 12 g (0.03 lbs)
Country: American technical standard
Category: Technical standards ASTM
Keywords:
coal microscopical analysis, etching, polishing, Coal sampling systems, Etching (materials/process), Light transmission and reflection, Microscopic examination--coal, Polishing, Reflectance and reflectivity--coal, ICS Number Code 73.040 (Coals)
Significance and Use | ||||||||||||
Components observable in surfaces of coal samples prepared in accordance with the laboratory procedures of this practice will have differential relief that will aid in their maceral identification by visual classification and enables identification of plant parts or tissues that formed the coal. Samples prepared by this practice can be used for microscopical determination of the volume percent of physical components of coal in accordance with Test Method D2799. |
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1. Scope | ||||||||||||
1.1 This practice covers laboratory procedures for preparing an etched, polished surface of granular and block samples of coal for examination with a microscope using reflected light illumination. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.3 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. |
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2. Referenced Documents | ||||||||||||
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1.9.2010
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1.9.2012
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1.4.2012
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1.5.2010
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1.6.2011
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1.1.2013
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