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Significance and Use
5.1 Results obtained from the test method are used to serve a number of interests, including the indication of possible boiler tube fouling and possible furnace corrosion problems.
1.1 This test method describes a procedure for the determination of water soluble sodium as sodium oxide (Na2O) and potassium as potassium oxide (K2O) in the analysis of coal samples prepared in accordance with Practice .
1.2 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.
1.3 This test method is derived in part from the ASME procedure water soluble alkalis.
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
D1193 Specification for Reagent Water
D2013 Practice for Preparing Coal Samples for Analysis
D3173 Test Method for Moisture in the Analysis Sample of Coal and Coke
D3180 Practice for Calculating Coal and Coke Analyses from As-Determined to Different Bases
D3302 Test Method for Total Moisture in Coal
D7448 Practice for Establishing the Competence of Laboratories Using ASTM Procedures in the Sampling and Analysis of Coal and Coke
D7582 Test Methods for Proximate Analysis of Coal and Coke by Macro Thermogravimetric Analysis
E691 Practice for Conducting an Interlaboratory Study to Determine the Precision of a Test Method
E832 Specification for Laboratory Filter Papers
ISO StandardISO 5725-6: 1994 Accuracy of measurement methods and resultsPart 6: Use in practice of accuracy values
ICS Number Code 73.040 (Coals)
UNSPSC Code 15101601(Coal)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM D8010-18, Standard Test Method for Determination of Water Soluble Alkali Content in Coal, ASTM International, West Conshohocken, PA, 2018, www.astm.orgBack to Top