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ASTM D2598-21
Standard Practice for Calculation of Certain Physical Properties of Liquefied Petroleum (LP) Gases from Compositional Analysis
Name übersetzen
NORM herausgegeben am 1.4.2021
Informationen über die Norm:
Bezeichnung normen: ASTM D2598-21
Ausgabedatum normen: 1.4.2021
SKU: NS-1023960
Zahl der Seiten: 3
Gewicht ca.: 9 g (0.02 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D2598-21 :
Keywords:
butane, calculated physical properties, liquefied petroleum gases, motor octane number, propane, relative density, vapor pressure,, ICS Number Code 75.160.30 (Gaseous fuels)
Ergänzende Informationen
| Significance and Use | ||||||||||||||
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4.1?Vapor pressure is an important specification property of commercial propane, special duty propane, propane/butane mixtures, and commercial butane that assures adequate vaporization, safety, and compatibility with commercial appliances. Relative density, while not a specification criterion, is necessary for determination of filling densities and custody transfer. The motor octane number (MON) is useful in determining the products' suitability as a fuel for internal combustion engines. |
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| 1. Scope | ||||||||||||||
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1.1?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). 1.1.1?This practice is not applicable to any product exceeding specifications for nonvolatile residues. (See Test Method D2158.) 1.1.2?For calculating motor octane number, this practice is applicable only to mixtures containing 20 % or less of propene. 1.1.3?For calculated motor octane number, this practice is based on mixtures containing only components shown in Table 1. 1.2?The values stated in SI units are to be regarded as standard. 1.2.1?Exceptions:? 1.2.1.1?Non-SI units in parentheses are given for information only. 1.2.1.2?Motor octane number and relative density are given in MON numbers and dimensionless units, respectively. 1.3?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. |
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| 2. Referenced Documents | ||||||||||||||
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