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Significance and Use
This test method permits measurement of the fluorine content of coal and coke for the evaluation of potential fluorine emission from coal combustion or conversion processes. When coal samples are combusted in accordance with this test method, the fluorine is quantitatively released from the coal and retained in the pyrohydrolysate so that it is representative of the total fluorine concentration in coal.
1.1 This test method covers the analysis of total fluorine in coal and coke.
1.2 This analysis was successfully tested on coals containing 37 % ash or less (see AS 1038.10.4 and Conrad).
1.3 The values stated in SI units shall be regarded as standard. The values given in parentheses are for information only.
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.
1.4 All accountability and quality control aspects of Guide D 4621 apply to this test method.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
Australian StandardAS1038.10.4 Determination of Trace ElementsCoal, Coke and Fly-Ash-Determination of Fluorine ContentPyrohydrolysis Method
D346 Practice for Collection and Preparation of Coke Samples for Laboratory Analysis
D1193 Specification for Reagent Water
D2013 Practice for Preparing Coal Samples for Analysis
D2234/D2234M Practice for Collection of a Gross Sample of Coal
D3174 Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
D3180 Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
D4621 Guide for Quality Management in an Organization That Samples or Tests Coal and Coke
D5142 Test Methods for Proximate Analysis of the Analysis Sample of Coal and Coke by Instrumental Procedures
ICS Number Code 71.040.50 (Physicochemical methods of analysis); 75.160.10 (Solid fuels)
UNSPSC Code 15101601(Coal); 15101604(Coke)