ASTM D 2598 : 2016
Superseded
View Superseded by
Standard Practice for Calculation of Certain Physical Properties of Liquefied Petroleum (LP) Gases from Compositional Analysis
English
10-14-2016
05-13-2021
This practice covers, by compositional analysis, the approximate determination of the following physical characteristics of commercial propane, special-duty propane, commercial propane/butane mixtures, and commercial butane (covered by Specification D1835): vapor pressure, relative density, and motor octane number (MON).
| Committee |
D 02
|
| DocumentType |
Standard Practice
|
| Pages |
3
|
| PublisherName |
American Society for Testing and Materials
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
1.1This practice covers, by compositional analysis, the approximate determination of the following physical characteristics of commercial propane, special-duty propane, commercial propane/butane mixtures, and commercial butane (covered by Specification D1835): vapor pressure, relative density, and motor octane number (MON).
1.1.1This practice is not applicable to any product exceeding specifications for nonvolatile residues. (See Test Method D2158.)
1.1.2For calculating motor octane number, this practice is applicable only to mixtures containing 20 % or less of propene.
1.1.3For calculated motor octane number, this practice is based on mixtures containing only components shown in Table 1.
1.2The values stated in SI units are to be regarded as standard.
1.2.1Exceptions:
1.2.1.1Non-SI units in parentheses are given for information only.
1.2.1.2Motor octane number and relative density are given in MON numbers and dimensionless units, respectively.
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| ASTM D 2421 : 2019 | Standard Practice for Interconversion of Analysis of C<emph type="ital"><inf>5</inf ></emph> and Lighter Hydrocarbons to Gas-Volume, Liquid-Volume, or Mass Basis |