ASTM_D_3172_-_13_2021e1.pdf

Designation:D317213(Reapproved 2021)1Standard Practice forProximate Analysis of Coal and Coke1This standard is issued under the fixed designation D3172;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1NOTEEditorial corrections were made throughout in May 2021.1.Scope1.1 This practice covers the determination of moisture,volatile matter,and ash and the calculation of fixed carbon oncoals and cokes sampled and prepared by prescribed methodsand analyzed according to ASTM established procedures.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.3 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2D121 Terminology of Coal and CokeD346 Practice for Collection and Preparation of CokeSamples for Laboratory AnalysisD388 Classification of Coals by RankD2013/D2013M Practice for Preparing Coal Samples forAnalysisD2234/D2234M Practice for Collection of a Gross Sampleof CoalD3173 Test Method for Moisture in the Analysis Sample ofCoal and CokeD3174 Test Method for Ash in the Analysis Sample of Coaland Coke from CoalD3175 Test Method for Volatile Matter in the AnalysisSample of Coal and CokeD4596 Practice for Collection of Channel Samples of Coalin a MineD5192 Practice for Collection of Coal Samples from CoreD6883 Practice for Manual Sampling of Stationary Coalfrom Railroad Cars,Barges,Trucks,or StockpilesD6609 Guide for Part-Stream Sampling of CoalD7430 Practice for Mechanical Sampling of CoalD7582 Test Methods for Proximate Analysis of Coal andCoke by Macro Thermogravimetric Analysis3.Terminology3.1 Definitions:3.1.1 proximate analysis of coal and cokean assay of themoisture,ash,and volatile matter as determined by prescribedmethods and the calculation of fixed carbon by difference.Other constituents such as sulfur and characteristics such asgross calorific value are not included.3.1.2 For additional definitions of terms used in thispractice,refer to Terminology D121.4.Significance and Use4.1 Test methods,as herein described,can be used toestablish the rank of coals,show the ratio of combustible toincombustible constituents,provide the basis for buying andselling,and evaluate for beneficiation or for other purposes.5.Sampling5.1 If the proximate analysis is to be used for classificationof coal by rank,coal sample collection shall be in accordancewith Classification D388.Otherwise,coal sample collectionshall be done in accordance with any of the following Guidesor Practices as appropriate:Guide D6609,Practice D4596,Practice D5192,PracticeD6883,and Practice D7430.In all other cases,sample collec-tion shall be in accordance with Practice D2234/D2234M.5.2 Coke sampling shall be done in accordance with Prac-tice D346.6.Analysis Sample6.1 For coal,sample preparations shall be in accordancewith Practices D2013/D2013M or D7430.The analysis sample1This practice is under the jurisdiction of ASTM Committee D05 on Coal andCoke and is the direct responsibility of Subcommittee D05.21 on Methods ofAnalysis.Current edition approved April 1,2021.Published May 2021.Originallyapproved in 1973.Last previous edition approved in 2013 as D3172 13.DOI:10.1520/D3172-13R21E01.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1shall be the material pulverized to pass a 250 m(No.60)sievein accordance with Practice D2013/D2013M.6.2 For coke,sample preparations shall be in accordancewith Practice D346.7.Test Methods7.1 MoistureTest Methods D3173 and D7582.7.2 AshTest Methods D3174 and D7582.7.3 Volatile MatterTest Methods D3175 and D7582.If themodified procedure of D3175 is required,the report shouldshow that the modified procedure was used.7.4 Fixed CarbonThe fixed carbon