ASTM D7545 - 14

    Standard Test Method for Oxidation Stability of Middle Distillate Fuels—Rapid Small Scale Oxidation Test (RSSOT)

    Active Standard ASTM D7545 | Developed by Subcommittee: D02.14

    Book of Standards Volume: 05.04


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    Significance and Use

    5.1 The induction period may be used as an indication of the oxidation and storage stability of middle distillate fuel.

    5.2 Compared to some other oxidation and storage stability test methods, this method uses a small sample and gives a result in a short time period.

    1. Scope

    1.1 This laboratory test method covers a quantitative determination of the stability of middle distillate fuels such as diesel fuels and heating oils, with up to 100% biodiesel, under accelerated oxidation conditions, by an automatic instrument.

    Note 1This test method is technically equivalent to test method EN 16091

    1.2 This test method is designed for products complying with Specification D975 on Diesel Fuel, Grades No. 1D and 2D; Specification D396 on Burner Fuel, Grades No. 1 and No. 2; Specification D6751 on Biodiesel, B100, and Specification D7467 on Diesel Fuel Oil, B6 to B20.

    1.3 This test method measures the induction period, under specified conditions, which can be used as an indication of the oxidation and storage stability of middle distillate fuels.

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

    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.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D396 Specification for Fuel Oils

    D975 Specification for Diesel Fuel Oils

    D4057 Practice for Manual Sampling of Petroleum and Petroleum Products

    D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products

    D6751 Specification for Biodiesel Fuel Blend Stock (B100) for Middle Distillate Fuels

    D7467 Specification for Diesel Fuel Oil, Biodiesel Blend (B6 to B20)

    Other Standards

    CEN/TR16366:2012 Liquid Petroleum Products--Middle Distillates and Fatty Acid Methyl Ester (FAME) Fuels and Blends--Round Robin Report on Applicability of Rapid Small Scale Oxidation Test Method Available from European Committee for Standardization (CEN), Avenue Marnix 17, B-1000, Brussels, Belgium, http://www.cen.eu.

    EN16091 Liquid Petroleum Products--Middle Distillates and Fatty Acid Methyl Ester (FAME) Fuels and Blends--Determination of Oxidation Stability by Rapid Small Scale Oxidation Method

    EN590 Automotive Fuels--Diesel--Requirements and Test Methods

    ISO4259 Petroleum Products--Determination and Application of Precision Data in Relation to Methods of Test Available from International Organization for Standardization (ISO), 1, ch. de la Voie-Creuse, CP 56, CH-1211 Geneva 20, Switzerland, http://www.iso.org.


    ICS Code

    ICS Number Code 75.160.20 (Liquid fuels)

    UNSPSC Code

    UNSPSC Code 15101500(Petroleum and distillates)


    Referencing This Standard

    DOI: 10.1520/D7545

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D7545-14, Standard Test Method for Oxidation Stability of Middle Distillate Fuels—Rapid Small Scale Oxidation Test (RSSOT), ASTM International, West Conshohocken, PA, 2014, www.astm.org

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