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Description of ASTM-E2403 2012ASTM E2403 - 06(2012)Standard Test Method for Sulfated Ash of Organic Materials by ThermogravimetryActive Standard ASTM E2403 | Developed by Subcommittee: E37.01 Book of Standards Volume: 14.02 ASTM E2403Significance and Use 5.1 The sulfated ash may be used to indicate the level of known metal-containing additives or impurities in an organic material. When phosphorus is absent, barium, calcium, magnesium, sodium and potassium are converted to their sulfates. Tin and zinc are converted to their oxides. 5.2 This standard may be used for research and development, specification acceptance and quality assurance purposes. 1. Scope 1.1 This standard describes the determination of sulfated ash content (sometimes called residue-on-ignition) of organic materials by thermogravimetry. The method converts common metals found in organic materials (such as sodium, potassium, lithium, calcium, magnesium, zinc, and tin) into their sulfate salts permitting estimation of their total content as sulfates or oxides. The range of the test method is from 0.1 to 100? % metal content. 1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this 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 to determine the applicability of regulatory limitations prior to use.
Other Standards TheUnitedStatesPharm and The National Formulary XVII, United States Pharmacopeial Convention, Rockville, MD, 1990, Section 281, p. 1527ASTM Standards D874 Test Method for Sulfated Ash from Lubricating Oils and Additives D914 Test Methods for Ethylcellulose D3516 Test Methods for Ashing Cellulose E473 Terminology Relating to Thermal Analysis and Rheology E1131 Test Method for Compositional Analysis by Thermogravimetry E1142 Terminology Relating to Thermophysical Properties E1582 Practice for Calibration of Temperature Scale for Thermogravimetry E2040 Test Method for Mass Scale Calibration of Thermogravimetric Analyzers Keywords ash; residue on ignition; sulfated ash; thermogravimetric analysis; thermogravimetry; ICS Code ICS Number Code 71.040.40 (Chemical analysis) DOI: 10.1520/E2403-06R12 ASTM International is a member of CrossRef. ASTM E2403This 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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