ASTM D97 - 12

    Standard Test Method for Pour Point of Petroleum Products

    Active Standard ASTM D97 | Developed by Subcommittee: D02.07

    Book of Standards Volume: 05.01


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    Significance and Use

    5.1 The pour point of a petroleum specimen is an index of the lowest temperature of its utility for certain applications.

    1. Scope

    1.1 This test method covers and is intended for use on any petroleum product.2 A procedure suitable for black specimens, cylinder stock, and nondistillate fuel oil is described in 8.8. The cloud point procedure formerly part of this test method now appears as Test Method D2500.

    1.2 Currently there is no ASTM test method for automated Test Method D97 pour point measurements.

    1.3 Several ASTM test methods offering alternative procedures for determining pour points using automatic apparatus are available. None of them share the same designation number as Test Method D97. When an automatic instrument is used, the ASTM test method designation number specific to the technique shall be reported with the results. A procedure for testing the pour point of crude oils is described in Test Method D5853.

    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 WARNING—Mercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA’s website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.

    1.6 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

    D117 Guide for Sampling, Test Methods, and Specifications for Electrical Insulating Oils of Petroleum Origin

    D396 Specification for Fuel Oils

    D2500 Test Method for Cloud Point of Petroleum Products

    D5853 Test Method for Pour Point of Crude Oils

    D6300 Practice for Determination of Precision and Bias Data for Use in Test Methods for Petroleum Products and Lubricants

    E1 Specification for ASTM Liquid-in-Glass Thermometers


    ICS Code

    ICS Number Code 75.080 (Petroleum products in general)

    UNSPSC Code

    UNSPSC Code 15101500(Petroleum and distillates)


    Referencing This Standard

    DOI: 10.1520/D0097-12

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D97-12, Standard Test Method for Pour Point of Petroleum Products, ASTM International, West Conshohocken, PA, 2012, www.astm.org

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