ASTM D6732 - 04(2015)

    Standard Test Method for Determination of Copper in Jet Fuels by Graphite Furnace Atomic Absorption Spectrometry

    Active Standard ASTM D6732 | Developed by Subcommittee: D02.03

    Book of Standards Volume: 05.03


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    Significance and Use

    5.1 At high temperatures aviation turbine fuels can oxidize and produce insoluble deposits that are detrimental to aircraft propulsion systems. Very low copper concentrations (in excess of 50 μg/kg) can significantly accelerate this thermal instability of aviation turbine fuel. Naval shipboard aviation fuel delivery systems contain copper-nickel piping, which can increase copper levels in the fuel. This test method may be used for quality checks of copper levels in aviation fuel samples taken on shipboard, in refineries, and at fuel storage depots.

    1. Scope

    1.1 This test method covers the determination of copper in jet fuels in the range of 5 μg/kg to 100 μg/kg using graphite furnace atomic absorption spectrometry. Copper contents above 100 μg/kg may be determined by sample dilution with kerosine to bring the copper level into the aforementioned method range. When sample dilution is used, the precision statements do not apply.

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


    ICS Code

    ICS Number Code 71.040.50 (Physicochemical methods of analysis); 75.160.20 (Liquid fuels)

    UNSPSC Code

    UNSPSC Code 15101504(Aviation fuel)


    Referencing This Standard

    DOI: 10.1520/D6732-04R15

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D6732-04(2015), Standard Test Method for Determination of Copper in Jet Fuels by Graphite Furnace Atomic Absorption Spectrometry, ASTM International, West Conshohocken, PA, 2015, www.astm.org

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