Trace Metals Analysis on Small Oil Samples

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The use of direct reading emission spectrographs is a well known means of analyzing used crankcase oils for trace metals. The analysis can be accomplished without any sample preparation by employing a rotating graphite disc as one of the electrodes. A graphite rod is used as the counterelectrode. The disc, as it rotates, is partially immersed in the sample, and thus a fresh supply of oil is continuously presented to the discharge gap.

Keywords: Emission spectroscopy; Techniques; Trace metal analysis

Document Type: Research Article


Affiliations: Texaco, Inc., Richmond, Virginia 23234

Publication date: November 1, 1973

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