Research Report RR:D02-1450

    The precision of the test method D6443 was determined by statistical analysis of an interlaboratory study. In this study, nine laboratories analyzed eleven oils and three additives in duplicate.

    Published: March 1999

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    Related Standards

    D6443-14(2019)e1 Standard Test Method for Determination of Calcium, Chlorine, Copper, Magnesium, Phosphorus, Sulfur, and Zinc in Unused Lubricating Oils and Additives by Wavelength Dispersive X-ray Fluorescence Spectrometry (Mathematical Correction Procedure)

    Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants

    Subcommittee D02.03 on Elemental Analysis