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Standard Test Method for Vapor-Liquid Ratio of Spark-Ignition Engine Fuels (Withdrawn 2008)
Automaticky přeložený název:
Standardní zkušební metoda pro Vapor - Liquid Poměr paliv zážehového motoru (Withdrawn 2008 )
NORMA vydána dne 10.1.1999
Označení normy: ASTM D2533-99
Poznámka: NEPLATNÁ
Datum vydání normy: 10.1.1999
Kód zboží: NS-20682
Počet stran: 6
Přibližná hmotnost: 18 g (0.04 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM
Keywords:
Automotive spark-ignition engine fuel, Gasoline, Spark-ignition engine fuel, Vapor-liquid ratio (V/L), vapor-liquid ratio of spark-ignition engine oils,,Order Form, ICS Number Code 75.100 (Lubricants, industrial oils and related products)
Significance and Use |
The tendency of a fuel to vaporize in common automobile fuel systems is indicated by the vapor-liquid ratio of that fuel at conditions approximating those in critical parts of the fuel systems. |
1. Scope |
1.1 This test method covers a procedure for measuring the volume of vapor formed at atmospheric pressure from a given volume of gasoline. The ratio of these volumes is expressed as the vapor-liquid (V/L) ratio of the gasoline at the temperature of the test. 1.2 Dry glycerol can be used as the containing liquid for nonoxygenated fuels. 1.3 Mercury can be used as the containing liquid with both oxygenated and nonoxygenated fuels. Because oxygenates in fuels may be partially soluble in glycerol, gasoline-oxygenate blends must be tested using mercury as the containing fluid. Note 1-Test Method D4815 can be used to determine the presence of oxygenates in fuels.1.4 The values stated in both inch-pound and SI units are to be regarded separately as the standard. The units given in parentheses are for information only. 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 and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see Section 7 and Note 10. |
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