ASTM D 2598 Standard Practice for Calculation of Certain Physical Properties of Liquefied Petroleum (LP) Gases from Compositional Analysis
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ASTM D 2598 Document Information:
Title
Standard Practice for Calculation of Certain Physical Properties of Liquefied Petroleum (LP) Gases from Compositional Analysis
ASTM International
Publication Date:
Apr 10, 2002
Scope:
This practice covers, by compositional analysis, the approximate
determination of the following physical characteristics of
commercial propane and special-duty propane (covered by
Specification D 1835): vapor pressure, relative density, and motor
octane number (MON).
This practice is not applicable to any product exceeding
specifications for nonvolatile residues. (See Test Method D
2158.)
For calculating motor octane number, this practice is applicable
only to mixtures containing 20 % or less of propene.
For calculated motor octane number in method, this practice is
based on mixtures containing only components shown in Table 1.
The values stated in SI units are to be regarded as the
standard. The values given in parentheses are for information
only.
Keywords:
- liquefied petroleum gases
- motor octane
- relative density
- vapor pressure
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