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ASTM D5797-16
Standard Specification for Methanol Fuel Blends (M51-M85) for Methanol-Capable Automotive Spark-Ignition Engines
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NORM herausgegeben am 1.4.2016
Informationen über die Norm:
Bezeichnung normen: ASTM D5797-16
Anmerkung: UNGÜLTIG
Ausgabedatum normen: 1.4.2016
SKU: NS-637784
Zahl der Seiten: 14
Gewicht ca.: 42 g (0.09 Pfund)
Land: Amerikanische technische Norm
Kategorie: Technische Normen ASTM
Kategorie - ähnliche Normen:
Die Annotation des Normtextes ASTM D5797-16 :
Keywords:
acidity, alcohol, automotive spark-ignition engine fuel, chloride, copper corrosion, ether, fuel methanol (M99), gasoline blendstock, gum content, hydrocarbon, hydrocarbon blendstock, inorganic chloride, lead, methanol, methanol fuel blends (M51-M85), MTBE, oxidation stability, oxygenates, phosphorus, solvent washed, sulfur, vapor pressure, volatility, water,, ICS Number Code 75.160.20 (Liquid fuels)
Ergänzende Informationen
| 1. Scope | ||||||||||||||||||||||||||||||||||||||||||||||||||||
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1.1 This specification covers the requirements for automotive fuel blends of methanol and gasoline for use in ground vehicles equipped with methanol-capable flexible-fuel, and dedicated methanol spark-ignition engines. Fuel produced to this specification contains 51 % to 85 % by volume methanol. This fuel is sometimes referred to at retail as “M85.” Appendix X1 discusses the significance of the properties specified. Appendix X2 presents the current status in the development of a luminosity test procedure (flame visibility) for methanol fuel blends (M51–M85). 1.2 The vapor pressure of methanol fuel blends is varied for seasonal climatic changes. Vapor pressure is increased at lower temperatures to ensure adequate vehicle operability and safety. Methanol content and selection of gasoline blendstocks are adjusted by the blender to meet these vapor pressure requirements. 1.3 The United States government has established various programs for alternative fuels. Many of the definitions of alternative fuel used by these programs can be more or less restrictive than the requirements of this specification. See Annex A1 for additional information on alternative fuels containing methanol. 1.4 The values stated in SI units are to be regarded as the standard. 1.4.1 Exception—Non-SI units are provided for information only. In most cases, U.S. federal regulations specify non-SI units. 1.5 The following precautionary caveat pertains only to the test method portions–Appendix X2 of this specification. 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. |
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