ASTM D525-01

    Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method)


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    1. Scope

    1.1 This test method covers the determination of the stability of gasoline in finished form only, under accelerated oxidation conditions. (Warning- This test method is not intended for determining the stability of gasoline components, particularly those with a high percentage of low boiling unsaturated compounds, as these may cause explosive conditions within the apparatus. However, because of the unknown nature of certain samples, the pressure vessel assembly shall include a safety burst-disc in order to safeguard the operator.)

    Note 1--For measurement of oxidation stability of gasoline by measurement of potential gum, refer to Test Method D 873, or IP Test Method 138.

    Note 2--The precision data were developed with gasolines derived from hydrocarbon sources only without oxygenates.

    1.2 The accepted SI unit of pressure is the kilo Pascal (kPa); and for temperature in C.

    1.3 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

    D873 Test Method for Oxidation Stability of Aviation Fuels (Potential Residue Method)

    D4057 Practice for Manual Sampling of Petroleum and Petroleum Products

    E1 Specification for ASTM Liquid-in-Glass Thermometers

    Energy Institute Standards

    Part IV— Petroleum and its Products A convenient template for measuring the breakpoint is described in the paper by Korb, E. L., Induction Period Calculator, ASTM Bulletin, No. 153, August 1948, pp. 99-102.


    ICS Code

    ICS Number Code 75.160.20 (Liquid fuels)

    UNSPSC Code

    UNSPSC Code 15101506(Gasoline or Petrol)


    Referencing This Standard
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    DOI: 10.1520/D0525-01

    Citation Format

    ASTM D525-01, Standard Test Method for Oxidation Stability of Gasoline (Induction Period Method), ASTM International, West Conshohocken, PA, 2001, www.astm.org

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