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ASTM D2961-01a

Historical Revision

Standard Test Method for Single-Stage Total Moisture Less than 15% in Coal Reduced to 2.36-mm (No. 8 Sieve)Topsize

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1.1 This test method covers a single-stage procedure for the determination of total moisture less than 15 % in coal reduced to 2.36- mm (No. 8 sieve) topsize. This test method is for determination of total moisture only. Materials subjected to this test shall not be used in the determination of other test parameters. It is recognized that the conditions of the test can increase the potential for significant oxidation effects on some coals. If the oxidation potential is of concern, the use of this single-stage method shall involve prior agreement between the parties involved. This test method shall not be construed as the referee standard test method for total moisture. For referee purposes, users of this test method are referred to Test Method D3302 for moisture determination methods which are not as susceptible to oxidation effects.

1.2 Statistical analysis of data from several sources indicates that at a 95% confidence level, there is statistically no significant difference between the mean value of the results obtained by D2961 and D3302 (that is, no bias is detected between the two methods at the 95% confidence level) for moisture levels between 1.4% and 15.8%. These two test methods were not compared in this study for some ranks of coal including lignite and anthracite. Supporting data has been filed at ASTM Headquarters and may be obtained by requesting Research Report D05-1024.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 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.


SDO ASTM: ASTM International
Document Number D2961
Publication Date June 10, 2001
Language en - English
Page Count 2
Revision Level 01a
Supercedes
Committee D05.21
Publish Date Document Id Type View
Nov. 1, 2011 D2961-11 Revision
Oct. 10, 2002 D2961-02E01 Revision
Oct. 10, 2002 D2961-02 Revision
June 10, 2001 D2961-95A Revision
June 10, 2001 D2961-01A Revision
June 10, 2001 D2961-01 Revision
May 1, 2007 D2961-02R07 Reaffirmation