1、Designation: D3172 07aD3172 13Standard 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 i
2、n parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*Scope1.1 This practice covers the determination of moisture, volatile matter, and ash and the calculation of fixed carbon on coals andcokes sample
3、d and prepared by prescribed methods and analyzed according to ASTM established procedures.1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health practi
4、ces and determine the applicability of regulatorylimitations prior to use.2. Referenced Documents2.1 ASTM Standards:2D121 Terminology of Coal and CokeD346 Practice for Collection and Preparation of Coke Samples for Laboratory AnalysisD388 Classification of Coals by RankD2013D2013/D2013M Practice for
5、 Preparing Coal Samples for AnalysisD2234/D2234M Practice for Collection of a Gross Sample of CoalD3173 Test Method for Moisture in the Analysis Sample of Coal and CokeD3174 Test Method for Ash in the Analysis Sample of Coal and Coke from CoalD3175 Test Method for Volatile Matter in the Analysis Sam
6、ple of Coal and CokeD4596 Practice for Collection of Channel Samples of Coal in a MineD4916 Practice for Mechanical Auger Sampling (Withdrawn 2008)3D5192 Practice for Collection of Coal Samples from CoreD6883 Practice for Manual Sampling of Stationary Coal from Railroad Cars, Barges, Trucks, or Stoc
7、kpilesD6609 Guide for Part-Stream Sampling of CoalD7256/D7256MD7430 Practice for Mechanical Collection and Within-System Preparation of a Gross Sample of Coal fromMoving StreamsSampling of Coal (Withdrawn 2008)D7582 Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Anal
8、ysis3. Terminology3.1 Definitions:3.1.1 proximate analysis of coal and cokean assay of the moisture, ash, volatile matter, and fixed carbonash and volatile matteras determined by prescribed methods. methods and the calculation of fixed carbon by difference. Other constituents such as sulfurand phosp
9、horus characteristics such as gross calorific value are not included.3.1.2 For additional definitions of terms used in this practice, refer to Terminology D121.4. Significance and Use4.1 Test methods, as herein described, can be used to establish the rank of coals, show the ratio of combustible to i
10、ncombustibleconstituents, provide the basis for buying and selling, and evaluate for beneficiation or for other purposes.5. Sampling5.1 Coal sample collection shall be in accordance the sampling section of Classification If the D388, if the proximate analysisis to be used for classification of coal
11、by rank. Other wise, rank, coal sample collection shall be in accordance with Classification1 This practice is under the jurisdiction of ASTM Committee D05 on Coal and Coke and is the direct responsibility of Subcommittee D05.21 on Methods of Analysis.Current edition approved Oct. 1, 2007Nov. 1, 201
12、3. Published October 2007 November 2013. Originally approved in 1973. Last previous edition approved in 2007 asD3172 07.D3172 07a. DOI: 10.1520/D3172-07A.10.1520/D3172-13.2 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annu
13、al Book of ASTM Standardsvolume information, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be
14、technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of
15、this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1D388. Otherwise, coal sample collection shall be done in accordance with any of the following Guides or Practices as appropriate:Guide D6609, Practice D4596, Practice D4916D
16、5192, Practice D5192D6883, and Practice D6883D7430. In all other cases, samplecollection shall be in accordance with Practice D2234/D2234M.5.2 Coke sampling shall be done in accordance with Practice D346.6. Analysis Sample6.1 For coal, sample preparations shall be in accordance with Practices D2013D
17、2013/D2013M or D7256/D7256MD7430. Theanalysis sample shall be the material pulverized to pass a 250-m 250 m (No. 6060) sieve in accordance with PracticeD2013D2013/D2013M.6.2 For coke, sample preparations shall be in accordance with Practice D346.7. Test Methods7.1 MoistureTest MethodMethods D3173 an
18、d D7582.7.2 AshTest MethodMethods D3174 and D7582.7.3 Volatile MatterTest MethodMethods D3175 and D7582. If the modified procedure of D3175 is required, the report shouldshow that the modified procedure was used.7.4 Fixed CarbonThe fixed carbon is a calculated value. It is the resultant of the summa
19、tion of percentage moisture, ash, andvolatile matter subtracted from 100. All percentages shall be on the same moisture reference base.Fixed carbon,%51002moisture , % (1)1ash,%1volatile matter,%)8. Keywords8.1 ash; coal; coal rank; coke; fixed carbon; moisture; proximate analysis; volatile matterSUM
20、MARY OF CHANGESCommittee D05 has identified the location of selected changes to this standard since the last issue (D317207)that may impact the use of this standard. (Approved Oct. 1, 2007.)(1) Revisions were made to the Sampling, Section 5 to reflect the availability of the new Standards.(2) The co
21、rrect section of Classification D388 is now referenced with respect to coal sampling.(3) Revision to the Analysis Sample, Section 6 was made in order to clarify the preparation of coke samples.Committee D05 has identified the location of selected changes to this standard since the last issue(D317289
22、2002) that may impact the use of this standard. (Approved May 1, 2007)(1) A new Section describing the analysis sample was added.(2) Revisions were made to Sampling, Section 5 to reflect the availability of new standards.(3) Keywords section was added.ASTM International takes no position respecting
23、 the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standar
24、d is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International
25、Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This
26、 standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the ASTM website (www.astm.org/COPYRIGHT/).3 The last approved version of this historical standard is referenced on www.astm.org.D3172 132
