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Last Updated: Apr 25, 2022
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ASTM D4871-11(2016)
Standard Guide for Universal Oxidation/Thermal Stability Test Apparatus
Standard Guide for Universal Oxidation/Thermal Stability Test Apparatus
D4871-11R16
ASTM|D4871-11R16|en-US
Standard Guide for Universal Oxidation/Thermal Stability Test Apparatus
Standard
D4871 Standard Guide for Universal Oxidation/Thermal Stability Test Apparatus>
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Significance and Use
4.1 This standard describes an apparatus that provides the versatility required to conduct oxidation or thermal stability tests on liquids using a wide variety of test conditions. It is sufficiently flexible so that new test conditions can be chosen in response to the changing demands of the marketplace.
4.2 Procedures using this apparatus are described in the following ASTM standard test methods: D5763, D5846, and D6514. Other procedures may be in use, but they have not been developed as ASTM standard test methods.
Scope
1.1 This guide covers an apparatus used to measure the oxidation or thermal stability of liquids by subjecting them to temperatures in the range from 50 °C to 375 °C in the presence of air, oxygen, nitrogen, or other gases at flow rates of 1.5 L/h to 13 L/h, or in the absence of gas flow. Stability may be measured in the presence or absence of water or soluble or insoluble catalysts. Gases evolved may be allowed to escape, condensed and collected, or condensed and returned to the test cell.
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 determine the applicability of regulatory limitations prior to use.