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.

Pages:	124		Published:	June 2007
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Related Standards:

D6443-04(2010) 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)

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Committee D02 on Petroleum Products and Lubricants

Subcommittee D02.03 on Elemental Analysis