ASTM D3180 - 15
Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
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Significance and Use
4.1 The calculations of analytical data for the coal and coke test parameters listed in Section 6, assume the analysis sample has been prepared according to Practice D2013 and Test Method D3302.
4.2 This practice provides formulas, to enable calculations of data from the as-determined analysis sample to various moisture bases, in common use by the coal and coke industry.
4.3 This practice provides guidance to enable calculations of weight-average data from various lots or sublots, which, initially, are provided at different moisture bases.
4.4 The principles given in this practice are applicable to the calculation of cumulative data (e.g., for trade purposes or for sieve analyses or washability analyses).
1. Scope
1.1 This practice lists formulas that allow analytical data to be expressed in various bases in common use. Such bases are: as received, dry, equilibrium moisture, dry ash free, and others.
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 this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
ASTM Standards
D388 Classification of Coals by Rank
D1412 Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30C
D2013 Practice for Preparing Coal Samples for Analysis
D3173 Test Method for Moisture in the Analysis Sample of Coal and Coke
D3174 Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
D3302 Test Method for Total Moisture in Coal
D7582 Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis
E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
ICS Code
ICS Number Code 75.160.10 (Solid fuels)
UNSPSC Code
UNSPSC Code 15101601(Coal); 15101604(Coke)
Referencing This Standard
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DOI: 10.1520/D3180-15
Citation Format
ASTM D3180-15, Standard Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases, ASTM International, West Conshohocken, PA, 2015, www.astm.org
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