ASTM-D5842 › Standard Practice for Sampling and Handling of Fuels for Volatility Measurement
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1.1 This practice covers procedures and equipment for obtaining, mixing, and handling representative samples of volatile fuels for the purpose of testing for compliance with the standards set forth for volatility related measurements applicable to light fuels.
1.2 The applicable dry vapor pressure equivalent range of this practice is 13 kPa to 110 kPa (2 psia to 16 psia).
1.3 This practice is applicable to the sampling, mixing, and handling of reformulated fuels including those containing oxygenates. This practice is not applicable to crude oil. For the sampling of crude oil, refer to Practice /API MPMS Chapter 8.1, Practice /API MPMS Chapter 8.2, and Practice /API MPMS Chapter 8.5.
1.4 The values stated in SI units are to be regarded as the standard except in some cases where drawings may show inch-pound measurements, which are customary for that equipment.
1.5 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.
1.6 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.
Significance and Use
5.1 The vapor pressure parameters of volatile motor fuels are regulated by federal and state air pollution control agencies. In order to meet the letter of these regulations, it is necessary to sample, handle, and test these products in the precise manner as prescribed in this practice.
Note 1: This practice is not limited to dry vapor pressure equivalent testing for volatility. Dry vapor pressure equivalent is used to define the range for the sample matrix.
dry vapor pressure; fuels; gasoline; gasoline sampling; petroleum products; sampling; sample handling; sampling of volatile products; vapor pressure; volatility ;
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Nov. 15, 2019