Standard Test Method for Forms of Sulfur in Coal (Withdrawn 2021)
Standard Test Method for Forms of Sulfur in Coal (Withdrawn 2021)D2492-02R12ASTM|D2492-02R12|en-USStandard Test Method for Forms of Sulfur in Coal (Withdrawn 2021)StandardD2492 Standard Test Method for Forms of Sulfur in Coal (Withdrawn 2021)>newBOS Vol. 05.06 Committee D05
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Significance and Use
4.1 This test method provides for a separation of coal-associated sulfur into two commonly recognized forms: pyritic and sulfate. Organic sulfur is calculated by difference. Results obtained by the test method are used to serve a number of interests, including the evaluation of coal preparation and processing operations designed to reduce coal sulfur levels.
Scope
1.1 This test method applies to the determination of sulfate sulfur and pyritic sulfur in coal and calculates organic sulfur by difference. This test method is not applicable to coke or other carbonaceous materials. Monosulfides (pyrites and FeS2 are disulfides) of iron and elements such as cadmium, lead, vanadium, and zinc can be present in coal. In the range of 0 to 100 ppm, these monosulfides do not contribute significantly to the total inorganic sulfide content.
1.2 The values stated in SI units are to be regarded as 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.
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