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Description of ASTM-D8186 2025ASTM D8186-25Redline Standard: Standard Test Method for Measurement of Impurities in Graphite by Electrothermal Vaporization Inductively Coupled Plasma Optical Emission Spectrometry (ETV-ICP-OES)ASTM D8186Scope 1.1 This test method covers the measurement of mass fractions of the elements silver (Ag), aluminum (Al), arsenic (As), boron (B), barium (Ba), berylium (Be), bismuth (Bi), calcium (Ca), cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), potassium (K), lithium (Li), magnesium (Mg), manganese (Mn), molybdenum (Mo), sodium (Na), nickel (Ni), phosphorus (P), lead (Pb), sulfur (S), antimony (Sb), silicon (Si), tin (Sn), strontium (Sr), titanium (Ti), vanadium (V), tungsten (W), yitrium (Y), zinc (Zn), and zirconium (Zr) in graphite. 1.2 The scope of this test method is limited to those elements that have measurable mass fractions in the graphite sample used in the interlaboratory study for determination of precision data. Provided that an appropriate validation procedure is carried out, this test method is also applicable to other elements. Note 1: For example, this test method was successfully applied to the measurement of the elements Dy, Eu, Gd, and Sm whose mass fractions in the sample are used to calculate the equivalent boron concentration of nuclear graphites. 1.3 Provided that an appropriate validation procedure is carried out, this test method is also applicable to other carbon materials such as coal, coke, carbon black, graphite-felt, graphite-foil, graphite-foam, and fiber reinforced carbon-carbon composites. Note 2: For example, this test method was successfully applied to the measurement of trace-impurities in high-purity graphite-felt which is used for the production of monocrystalline silicon. 1.4 This test method is applicable to element contents from approximately 0.0005 mg/kg to 50 mg/kg, depending on element, wavelength, measurement parameters, and sample mass. The working range can be extended to higher element contents by selecting less sensitive emission lines or adaption of sample mass, or both. 1.5 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. 1.6 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. 1.7 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. Keywords electrothermal vaporization; ETV-ICP-OES; graphite; inductively coupled plasma optical emission spectrometry; solid sampling; trace element; ICS Code ICS Number Code 71.060.10 (Chemical elements) DOI: 10.1520/D8186-25 This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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