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This test method pertains to the determination of sulfate sulfur in coal or coke ash.
Formerly under the jurisdiction of Committee D05 on Coal and Coke, this test method was withdrawn in October 2009.This standard is a classical gravimetric sulfate method that is sometimes improperly cited for use in contracts. In addition the Eschka's Mixture that is vital for the test method is no longer available commcercially.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1193 Specification for Reagent Water
D2795 Test Methods for Analysis of Coal and Coke Ash
D3174 Test Method for Ash in the Analysis Sample of Coal and Coke from Coal
D3177 Test Methods for Total Sulfur in the Analysis Sample of Coal and Coke
D3682 Test Method for Major and Minor Elements in Combustion Residues from Coal Utilization Processes
D4326 Test Method for Major and Minor Elements in Coal and Coke Ash by X-Ray Fluorescence
British StandardBS1016, Part 14 Analysis of Coal Ash and Coke Ash