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Description of ASTM-D5671 2011ASTM D5671 - 95(2011)Standard Practice for Polishing and Etching Coal Samples for Microscopical Analysis by Reflected LightActive Standard ASTM D5671 | Developed by Subcommittee: D05.28 Book of Standards Volume: 05.06 ASTM D5671Significance 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 . 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.
ASTM Standards D121 Terminology of Coal and Coke D2797 Practice for Preparing Coal Samples for Microscopical Analysis by Reflected Light D2798 Test Method for Microscopical Determination of the Vitrinite Reflectance of Coal D2799 Test Method for Microscopical Determination of the Maceral Composition of Coal D4596 Practice for Collection of Channel Samples of Coal in a Mine D5192 Practice for Collection of Coal Samples from Core 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 Code ICS Number Code 73.040 (Coals) DOI: 10.1520/D5671-95R11 ASTM International is a member of CrossRef. ASTM D5671This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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