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ASTM D7862-21

Standard Specification for Butanol for Blending with Gasoline for Use as Automotive Spark-Ignition Engine Fuel

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NORMA vydána dne 1.4.2021

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Informace o normě:

Označení normy: ASTM D7862-21
Datum vydání normy: 1.4.2021
Kód zboží: NS-1022193
Počet stran: 5
Přibližná hmotnost: 15 g (0.03 liber)
Země: Americká technická norma
Kategorie: Technické normy ASTM

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Anotace textu normy ASTM D7862-21 :

This specification covers butanol intended to be blended with gasoline at 1 to 12.5 volume % for use as an automotive spark-ignition engine fuel. It addresses performance requirements, workmanship, sampling, containers, sample handling, and test methods.

Keywords:

acidity, automotive spark-ignition engine fuel, base gasoline, bio-butanol, butanol, chloride ion content, corrosion inhibitors, fuel, gasoline, gasoline-butanol blend, impurities, oxygenate, solvent-washed gum, sulfate ion content, sulfur content, water content,, ICS Number Code 75.160.20 (Liquid fuels)

Doplňující informace

1. Scope

1.1?This specification covers butanol intended to be blended with gasoline at 1 % to 12.5 % by volume for use as an automotive spark-ignition engine fuel.

1.1.1?Butanol contains 22 % by mass oxygen. The mass percent of oxygen of a butanol blend with gasoline depends on the volume percent of butanol blended, the density of the butanol isomer, and the density of the base blendstock.

1.1.2?The maximum limit on blending is not a performance limit but a current regulatory limit in the United States.

1.2?This specification covers three butanol isomers: 1-butanol, 2-butanol, and 2-methyl-1-propanol. This specification specifically excludes 2-methyl-2-propanol (that is, tert-butyl alcohol).

1.2.1?Tert-butyl alcohol has different physical properties (melting point, water miscibility) than the other three isomers.

1.3?The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4?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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.5?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.

2. Referenced Documents

D381-22	Standard Test Method for Gum Content in Fuels by Jet Evaporation
D1298-12b(2017)e1	Standard Test Method for Density, Relative Density, or API Gravity of Crude Petroleum and Liquid Petroleum Products by Hydrometer Method (Includes all amendments and changes 3/14/2023).
D1613-17(2023)	Standard Test Method for Acidity in Volatile Solvents and Chemical Intermediates Used in Paint, Varnish, Lacquer, and Related Products
D2622-21	Standard Test Method for Sulfur in Petroleum Products by Wavelength Dispersive X-ray Fluorescence Spectrometry
D5854-19a	Standard Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products (Includes all amendments and changes 8/13/2019).
D6299-23a	Standard Practice for Applying Statistical Quality Assurance and Control Charting Techniques to Evaluate Analytical Measurement System Performance (Includes all amendments and changes 12/12/2023).
D7319-22	Standard Test Method for Determination of Existent and Potential Sulfate and Inorganic Chloride in Fuel Ethanol and Butanol by Direct Injection Suppressed Ion Chromatography
D7875-20	Standard Test Method for Determination of Butanol and Acetone Content of Butanol for Blending with Gasoline by Gas Chromatography
E29-22	Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications
E203-24	Standard Test Method for Water Using Volumetric Karl Fischer Titration
E300-03(2022)	Standard Practice for Sampling Industrial Chemicals
E1064-24	Standard Test Method for Water in Organic Liquids by Coulometric Karl Fischer Titration
D4052-22	Standard Test Method for Density, Relative Density, and API Gravity of Liquids by Digital Density Meter
D4057-22	Standard Practice for Manual Sampling of Petroleum and Petroleum Products
D4175-23a	Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants (Includes all amendments and changes 12/21/2023).
D4177-22e1	Standard Practice for Automatic Sampling of Petroleum and Petroleum Products (Includes all amendments and changes 3/24/2023).
D4306-20	Standard Practice for Aviation Fuel Sample Containers for Tests Affected by Trace Contamination
D4814-23a	Standard Specification for Automotive Spark-Ignition Engine Fuel (Includes all amendments and changes 12/14/2023).
D5453-19a	Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence (Includes all amendments and changes 8/13/2019).
D3120-08(2019)	Standard Test Method for Trace Quantities of Sulfur in Light Liquid Petroleum Hydrocarbons by Oxidative Microcoulometry

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