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Standard Test Method for Major and Minor Elements in Combustion Residues from Coal Utilization Processes by Atomic Spectrometry
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NORM herausgegeben am 1.12.2021
Bezeichnung normen: ASTM D3682-21
Ausgabedatum normen: 1.12.2021
SKU: NS-1046506
Zahl der Seiten: 8
Gewicht ca.: 24 g (0.05 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Keywords:
aluminum oxide (A12O3), ash analysis, atomic absorption spectroscopy, calcium oxide (CaO), elemental ash composition, ferric oxide (Fe2O3), magnesium oxide (MgO), potassium oxide (K2O), silicon dioxide (SiO2), sodium oxide (Na2O), titanium dioxide (TiO2),, ICS Number Code 27.060.01 (Burners and boilers in general)
Significance and Use | ||||||||||||||||||||||
5.1?A compositional analysis of the ash in coal is often useful in the total description of the quality of the coal. Knowledge of ash composition is also useful in predicting the behavior of ashes and slags in combustion chambers. Utilization of the ash by-products of coal combustion sometimes depends on the chemical composition of the ash. 5.2?Note that the chemical composition of laboratory-prepared coal ash may not exactly represent the composition of mineral matter in the coal or the composition of fly ash and slag resulting from commercial-scale burning of the coal. |
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1. Scope | ||||||||||||||||||||||
1.1?This test method covers the analysis of the commonly determined major and minor elements in combustion residues from coal utilization processes. 1.2?Use Test Method D5016 for determination of sulfur. 1.3?UnitsThe values stated in SI units are to be regarded as standard. The values given in parentheses 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. |
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