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Description of ASTM-D7215 2013ASTM D7215-08-Reapproved2013Historical Standard: Standard Test Method for Calculated Flash Point from Simulated Distillation Analysis of Distillate FuelsASTM D7215Scope 1.1 This test method covers the calculated flash point formula, which represents a means for directly estimating the flash point temperature of distillate fuels from Test Method D2887 data. The value computed from the equation is termed the “calculated flash point.” The calculated flash point formula is applicable to diesel fuel samples based on a correlation to Test Method D93 over the range from 47 to 99°C, and to jet fuel samples based on a correlation to Test Method D56 and Test Method D3828 over the range from 35 to 67°C. 1.2 The calculated flash point formula is valid for diesel and jet fuels with an IBP between 90 and 162°C (194 and 324°F), Test Method D2887 5% recovery temperature between 136 and 207°C (277 and 405°F), and Test Method D2887 10% recovery temperature between 142 and 222°C (288 and 432°F). For each flash point test method (Test Method D56, Test Method D93, and Test Method D3828) a separate equation has been established. See 4.4 for a detailed overview of the simulated distillation IBP, 5%, and 10% ranges per equation. 1.3 A calculated diagnostic parameter, not exceeding a given threshold value, is a prerequisite for acceptance of the calculated flash point. 1.4 The diagnostic parameter MSPEX (Mean Summed Prediction Error) checks the sample compliance, based on reconstruction of TIBP, T5%, and T10% of the sample, via a calculation procedure. A value for MSPEX not exceeding the threshold level of 1.9°C is a prerequisite for accepting the calculated flash point, CFP.
Note 1—It is important to note that calculated flash point results, at this time, are not recognized by regulatory
organizations in verifying conformance to applicable regulations.
Note 2—The calculated flash point derived from simulated distillation data depends upon the accuracy of determination
of the IBP temperature and the 5% and 10% recovery temperatures.
Note 3—If the user's specification requires a defined flash point test method other than this test method, neither
this test method nor any other test method should be substituted for the prescribed test method without obtaining comparative data and an agreement from the specifier.
1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only. 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 and health practices and determine the applicability of regulatory limitations prior to use. Keywords calculated flash point; diesel fuel; flash point; jet fuel; MSPEX; PLS; simulated distillation ICS Code ICS Number Code 75.160.20 (Liquid fuels) DOI: 10.1520/D7215-08R13 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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