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    ASTM D8049 - 21

    Standard Test Method for Determining Concentration, Count, and Size Distribution of Solid Particles and Water in Light and Middle Distillate Fuels by Direct Imaging Analyzer

    Active Standard ASTM D8049 | Developed by Subcommittee: D02.14

    Book of Standards Volume: 05.04

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    Significance and Use

    5.1 This test method is intended for use in the laboratory or in the field for evaluating the cleanliness of fuels identified in the scope.

    5.2 Detection of particles and water can indicate degradation of the fuel condition. Particles, whether inorganic or organic, can cause fouling of fuel filters and damage pumps, injectors, and pistons. Knowledge of particle size in relation to metallurgy can provide vital information, especially if the hardness of the solid particles are known from other sources.

    Note 3: The method includes the detection of water, solids, and air bubbles. The air bubbles are screened out of the data prior to analysis of results, based on shape and transparency, and are not reported in the results.

    1. Scope

    1.1 This test method uses a direct imaging analyzer to count and measure the size and shape of dispersed solid particles and water droplets in light and middle distillate fuels in the overall range from 4 μm to 100 μm and in size bands of 4 μm, 6 μm, and 14 μm.

    Note 1: Particle size data from 0.7 μm through 300 μm is available for use or reporting if deemed helpful.

    Note 2: Shape is used to classify particles, droplets, and bubbles and is not a reporting requirement.

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

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

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

    ASTM Standards

    D2276 Test Method for Particulate Contaminant in Aviation Fuel by Line Sampling

    D3240 Test Method for Undissolved Water In Aviation Turbine Fuels

    D4057 Practice for Manual Sampling of Petroleum and Petroleum Products

    D4175 Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants

    D4177 Practice for Automatic Sampling of Petroleum and Petroleum Products

    D4306 Practice for Aviation Fuel Sample Containers for Tests Affected by Trace Contamination

    F658 Practice for Calibration of a Liquid-Borne Particle Counter Using an Optical System Based Upon Light Extinction

    ISO Standard

    ISO 11171 Hydraulic Fluid PowerCalibration of Automatic Particle Counters for Liquids

    SRM 2806 (ISO Medium Test Dust in Hydraulic Oil): A Particle-contamination Standard Reference Material for the Fluid Power Industry

    ICS Code

    ICS Number Code 75.160.20 (Liquid fuels)

    UNSPSC Code

    UNSPSC Code 15101500(Petroleum and distillates)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D8049-21

    Citation Format

    ASTM D8049-21, Standard Test Method for Determining Concentration, Count, and Size Distribution of Solid Particles and Water in Light and Middle Distillate Fuels by Direct Imaging Analyzer, ASTM International, West Conshohocken, PA, 2021, www.astm.org

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