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Coal/Coke Standard to allow chlorine determination via XRF.

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February 23, 2012 - Proposed standard ASTM WK34943, Test Method for Chlorine in Coal and Coke by XRF, will allow for rapid and repeatable determination of chlorine in coal and coke via X-ray fluorescence (XRF) spectroscopy. As member of subcommittee responsible for this standard, Colin Campbell stated that halides present in coal "is of environmental concern," citing that chlorine will eventually be emitted as acid gases. He also noted concern for corrosion damage from condensation of gases.

Proposed ASTM Coal and Coke Standard to Allow for Determination of Chlorine Through X-Ray Fluorescence

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ASTM International
100 Barr Harbor Dr., Box C700
West Conshohocken, PA, 19428-2959

Press release date: February 17, 2012

W. CONSHOHOCKEN, Pa.-A proposed new ASTM International standard will allow for a rapid and highly repeatable determination of chlorine in coal and coke through X-ray fluorescence spectroscopy. ASTM WK34943, Test Method for Chlorine in Coal and Coke by XRF, is being developed by Subcommittee D05.29 on Major Elements in Ash and Trace Elements of Coal, which is part of ASTM International Committee D05 on Coal and Coke.

"There is ever-increasing interest in the halides present in coal, both for environmental and operational reasons," says Colin Campbell, supervisor, chemical services, SaskPower, and a D05 member. "Current methods for the measurement of these parameters are rather limited. Since many coal labs already have X-ray instruments for the measurement of majors and minors, it is a natural fit to be able to add chlorine to the list."

Campbell says the proposed standard will allow for a simple and fast means of reliably measuring the chlorine concentration in coal.

"This value is of environmental concern as the chlorine will eventually be emitted as acid gases," explains Campbell. "There is also an operational concern as condensation of these gases in the back-pass of the furnace and post-combustion emissions control systems can lead to corrosion damage."

All interested parties are welcome to join in the development of ASTM WK34943. Campbell notes that laboratories equipped with XRF systems are particularly encouraged to contribute to the proposed standard's development, ruggedness testing and interlaboratory study.

ASTM International standards can be purchased from Customer Service (phone: 610-832-9585; ASTM International welcomes and encourages participation in the development of its standards. For more information on becoming an ASTM member, visit

ASTM International is one of the largest international standards development and delivery systems in the world. ASTM International meets the World Trade Organization (WTO) principles for the development of international standards: coherence, consensus, development dimension, effectiveness, impartiality, openness, relevance and transparency. ASTM standards are accepted and used in research and development, product testing, quality systems and commercial transactions.

For more news in this sector, visit or follow us on Twitter @ASTMEnergy.

ASTM Committee D05 Next Meeting: May 13-15, 2012, ASTM Headquarters, West Conshohocken, Pa.

Technical Contact: Colin Campbell, SaskPower, Regina, Saskatchewan, Canada, Phone: 306-566-2292;

ASTM Staff Contact: Scott Orthey, Phone: 610-832-9730; ASTM PR Contact: Barbara Schindler, Phone: 610-832-9603;
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