Research Report RR:D02-1559

    An interlaboratory study was run by ten laboratories testing nine samples to establish a precision statement for test method D7040.

    Published: December 2002

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    Related Standards

    D7040-04(2015) Standard Test Method for Determination of Low Levels of Phosphorus in ILSAC GF 4 and Similar Grade Engine Oils by Inductively Coupled Plasma Atomic Emission Spectrometry


    Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants


    Subcommittee D02.03 on Elemental Analysis