ASTM D5185 PDF

In addition, this test method covers a wide variety of metals in virgin and re-refined base oils. Twenty-two elements can be determined rapidly, with test times approximating several minutes per test specimen. The concentrations of wear metals can be indicative of abnormal wear if there are baseline concentration data for comparison. A marked increase in boron, sodium, or potassium levels can be indicative of contamination as a result of coolant leakage in the equipment.

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More D In addition, this test method covers a wide variety of metals in virgin and re-refined base oils. Twenty-two elements can be determined rapidly, with test times approximating several minutes per test specimen. The concentrations of wear metals can be indicative of abnormal wear if there are baseline concentration data for comparison. A marked increase in boron, sodium, or potassium levels can be indicative of contamination as a result of coolant leakage in the equipment.

This test method can be used to monitor equipment condition and define when corrective actions are needed. This test method can be used to determine if the base oil meets specifications with respect to metal content. Scope 1. The specific elements are listed in Table 1. The determination of sodium and potassium is not possible on some instruments having a limited spectral range. Analytical results are particle size dependent, and low results are obtained for particles larger than a few micrometers.

For calcium, sulfur, and zinc, the low limits represent the lowest concentrations tested in the interlaboratory study. No other units of measurement are included in this standard. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Specific warning statements are given in 6. DOI:

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More D In addition, this test method covers a wide variety of metals in virgin and re-refined base oils. Twenty-two elements can be determined rapidly, with test times approximating several minutes per test specimen. The concentrations of wear metals can be indicative of abnormal wear if there are baseline concentration data for comparison.

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