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Significance and Use
5.1 Free Moisture, as determined by this instrumental test method, is used for calculating other analytical results to a dry basis using procedures in Practice .
5.2 Gypsum is the primary product used to assess the quality of the FGD-Solids for industrial purposes, especially construction wallboard. FGD solids are also used in mining applications, cement manufacturing, and for agricultural purposes.
5.3 Calcium Sulfite Hemihydrate is used to assess the suitability of some FGD-Solids for industrial uses.
1.1 This instrumental test method covers the determination of free moisture, gypsum (CaSO4•2H2O), calcium sulfite hemihydrate (CaSO3•1/2H2O), calcium hydroxide (Ca(OH)2), calcium carbonate (CaCO3), and ash in flue gas desulfurization solids using a macro thermogravimetric analyzer.
1.2 This instrumental test method is not applicable to thermogravimetric analyzers using microgram size samples.
1.3 Units—The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.
1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D121 Terminology of Coal and Coke
D3180 Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
D8146 Guide for Evaluating Test Method Capability and Fitness for Use
E177 Practice for Use of the Terms Precision and Bias in ASTM Test Methods
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D8339-20, Standard Test Method for The Analysis of Flue Gas Desulfurization Solids by Macro Thermogravimetric Analysis, ASTM International, West Conshohocken, PA, 2020, www.astm.orgBack to Top