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. Scope

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. For specific hazard statements see Note 0.

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 Standard

ASTM Standards

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

Keywords

coal; coal products; coke; fluorine content; ion chromatograph; ion-selective electrode; pyrohydrolysis; tube-furnace;

ICS Code

ICS Number Code 71.040.50 (Physicochemical methods of analysis); 75.160.10 (Solid fuels)

DOI: 10.1520/D5987-96R07

ASTM International is a member of CrossRef.

ASTM D5987