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ASTM D1757-03

Current Revision

Standard Test Method for Sulfur in Ash from Coal and Coke

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1.1 This test method pertains to the determination of sulfate sulfur in coal or coke ash.

1.2 The values stated in SI units (Practice E 380) shall be regarded as the 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 of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


Laboratory furnace temperature and furnace ventilation have an influence on SO3 retention in laboratory ash. Consequently, sulfur in ash as determined in the laboratory cannot be assumed to be equivalent to sulfur present in the mineral matter in coal or to the retention of sulfur in ash produced under the conditions of commercial utilization.

The sulfate sulfur determined by these test methods can be used to calculate the sulfur trioxide portion of ash so that the ash content or ash composition can be reported on a sulfur trioxide free basis.

SDO ASTM: ASTM International
Document Number D1757
Publication Date April 10, 2003
Language en - English
Page Count 3
Revision Level 03
Supercedes
Committee D05.29
Publish Date Document Id Type View
April 10, 2003 D1757-03 Revision
April 10, 1996 D1757-96 Revision
April 10, 2002 D1757-96R02 Reaffirmation