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  • ASTM D 7061 : 2019 : EDT 1

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    Standard Test Method for Measuring n-Heptane Induced Phase Separation of Asphaltene-Containing Heavy Fuel Oils as Separability Number by an Optical Scanning Device

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-04-2020

    Publisher:  American Society for Testing and Materials

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    Scope - (Show below) - (Hide below)

    1.1This test method covers the quantitative measurement, either in the laboratory or in the field, of how easily asphaltene-containing heavy fuel oils diluted in toluene phase separate upon addition of heptane. This is measured as a separability number (%) by the use of an optical scanning device.

    1.2The test method is limited to asphaltene-containing heavy fuel oils. ASTM specification fuels that generally fall within the scope of this test method are Specification D396, Grade Nos. 4, 5, and 6, Specification D975, Grade No. 4-D, and Specification D2880, Grade Nos. 3-GT and 4-GT. Refinery fractions from which such blended fuels are made also fall within the scope of this test method.

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

    1.4This 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.

    1.5This 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.

    General Product Information - (Show below) - (Hide below)

    Committee D 02
    Document Type Test Method
    Product Note ε1NOTE—Editorially updatedEq 2andEq 3in April 2020.
    Publisher American Society for Testing and Materials
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    ASTM D 7827 : 2019 Standard Test Method for Measuring n-Heptane Induced Phase Separation of Asphaltene from Heavy Fuel Oils as Separability Number by an Optical Device

    Standards Referencing This Book - (Show below) - (Hide below)

    ASTM D 396 : 2020 Standard Specification for Fuel Oils
    ASTM D 396 : 1998 Standard Specification for Fuel Oils
    ASTM D 975 : 2019 : REV B Standard Specification for Diesel Fuel
    ASTM D 975 : 2021 Standard Specification for Diesel Fuel
    ASTM D 975 : 2020 : REV C Standard Specification for Diesel Fuel
    ASTM D 2880 : 2020 Standard Specification for Gas Turbine Fuel Oils
    ASTM D 396 : 2021 Standard Specification for Fuel Oils
    ASTM D 396 : 2009 Standard Specification for Fuel Oils
    ASTM D 2880 : 2018 : REV A Standard Specification for Gas Turbine Fuel Oils
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