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ASTM D1757-03
Standard Test Method for Sulfate 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.

Significance and 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.

General Product Information

Document Type Standard
Status Withdrawn
Publisher:    American Society for Testing and Materials
Committee D 05
Withdrawn Date 12 Oct 2009
ASTM D1757-96(2002)

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Published:   10 Apr 2003  
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Published:   10 Apr 2003  
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CONTAINED IN VOL 05.06, 2005

Relates to the determination of sulfate sulfur in coal or coke


2003 [16/08/2003]
96(R2002) [23/07/2002]
96 [01/06/1996]
91 [01/01/1992]

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