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Description of ASTM-E487 2014ASTM E487-14Historical Standard: Standard Test Method for Constant-Temperature Stability of Chemical MaterialsASTM E487Scope 1.1 This test method describes the assessment of constant-temperature stability (CTS) of chemical materials that undergo exothermic reactions. The techniques and apparatus described may be used on solids, liquids, or slurries of chemical substances. 1.2 When a series of materials is tested by this test method, the results permit ordering the materials relative to each other with respect to their thermal stability. 1.3 Limitations of Test: 1.3.1 This test method is limited to ambient temperatures and above. 1.3.2 This test method determines neither a safe storage temperature nor a safe processing temperature.
Note 1—A safe storage or processing temperature requires that any heat produced by a reaction be removed as fast
as generated and that proper consideration be given to hazards associated with reaction products.
1.3.3 When this test method is used to order the relative thermal stability of materials, the tests must be run under the same confinement condition (see 8.3). 1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.5 This standard should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products, or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use. 1.6 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Keywords constant temperature stability (CTS); differential scanning calorimetry (DSC); differential thermal analysis (DTA); hazard potential; reactions, thermal; thermal analysis; thermal hazard; thermal stability ICS Code ICS Number Code 07.030 (Physics. Chemistry) DOI: 10.1520/E0487-14 The following editions for this book are also available...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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