ASTM D4814 PDF

Gasoline and Gasoline-Oxygenate Blends (as defined in this regulation). – Shall meet the most recent version of ASTM D “Standard. D –ASTM Gasoline Standard. ○ Covers gasoline and its blends with oxygenates for spark-ignition engines. – vol% ethanol (US. Buy ASTM D Standard Specification for Automotive Spark-Ignition Engine Fuel from SAI Global.

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Test Method D also includes procedures for calculating mass oxygen content and oxygenate concentration in volume percent. Gasolines meeting these limits are not suitable for blending with ethanol. Refer to Appendix X3 for discussions of EPA rules relating to fuel volatility, lead and phosphorous contents, sulfur content, benzene content, deposit control additive certification, and use of oxygenates in blends with unleaded gasoline.

In some cases, U. Link to Active This link will always route to the current Active version of the standard. Reformulated spark-ignition engine fuel is required in some areas to lower emissions from automotive vehicles, and its characteristics are described in the research report on reformulated spark-ignition engine fuel.

However, depending on oxygenate type, as oxygenate content increases above some threshold level, the likelihood for vehicle problems also increases. Work Item s – proposed revisions of this standard. Test Method D provides a procedure for determining oxygenate concentration in mass percent.

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

PAC-Lab Instruments-ASTM D

A0 Standards Related Products. It provides for a variation of the volatility and water tolerance of automotive fuel in accordance with seasonal climatic changes at the locality where the fuel is used. A0 Standards Related Products 1. In some cases, federal regulations specify non-SI units.

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Standard Specification for Automotive Spark-Ignition Engine Fuel

The composition of both unleaded and leaded fuel is limited by economic, legal, and technical consideration, but their properties, including volatility, are defined by this specification. This specification neither necessarily includes all types of fuels that are satisfactory for automotive vehicles, nor necessarily excludes fuels that can perform r4814 under certain operating conditions or in certain equipment. For the period May 1 through Sept.

With regard to fuel properties, including volatility, this specification can be more or less restrictive than the EPA rules, regulations, and waivers.

The concentrations and types of oxygenates are not specifically limited in this specification. This specification does not apply to fuels that contain an oxygenate astn the primary component, such as Fuel Methanol M Variation of the antiknock index with seasonal climatic changes and altitude is discussed in Appendix X1.

Consequently, the type of fuel under consideration must first be identified in order to select applicable tests. The specification is under continuous review, which can result in revisions based on changes in fuel, automotive requirements, or test methods, or a combination thereof.

For a specified limit expressed as an integer, and the right-most digit is non-zero, the right-most digit is significant without a decimal point being specified.

In many countries, regulatory authorities having jurisdiction have set laws and regulations that limit the concentration of oxygenates and certain other compounds found in spark-ignition engine fuel.

As a result, conversion of the SI values will sometimes differ slightly from the U. This specification does not address the emission characteristics of reformulated spark-ignition engine fuel.

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ASTM D – 18d Standard Specification for Automotive Spark-Ignition Engine Fuel

All users of this specification, therefore, should refer to the latest edition. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. D4184 of the antiknock index with seasonal climatic changes and altitude is discussed in Appendix X1. It provides for a variation of the aetm and water tolerance of automotive fuel in accordance with seasonal climatic changes at the locality where the fuel is used.

This specification neither necessarily includes all types of fuels that are satisfactory for automotive vehicles, nor necessarily excludes fuels that can perform unsatisfactorily under certain operating conditions or in certain equipment.

Work Item s – proposed revisions of this standard. It is informational only and not an official part of the standard; the full sstm of the standard itself must be referred to for its use and application. With regard to fuel properties, including volatility, this specification can be more or less restrictive than the EPA rules, regulations, and waivers.

Refer to Appendix X3 for discussions of EPA rules relating to fuel volatility, lead and phosphorous contents, deposit control additive certification, and use of oxygenates in blends d4841 unleaded gasoline. Active view current version of standard.