ASTM D5185-09

1.1 This test method covers the determination of additive elements, wear metals, and contaminants in used lubricating oils by inductively coupled plasma atomic emission spectrometry (ICP-AES). The specific elements are listed in Table 1.

1.2 This test method covers the determination of selected elements, listed in Table 1, in re-refined and virgin base oils.

1.3 For analysis of any element using wavelengths below 190 nm, a vacuum or inert-gas optical path is required. The determination of sodium and potassium is not possible on some instruments having a limited spectral range.

1.4 This test method uses oil-soluble metals for calibration and does not purport to quantitatively determine insoluble particulates. Analytical results are particle size dependent, and low results are obtained for particles larger than a few micrometers.

1.5 Elements present at concentrations above the upper limit of the calibration curves can be determined with additional, appropriate dilutions and with no degradation of precision.

1.6 For elements other than calcium, sulfur, and zinc, the low limits listed in Table 2 and Table 3 were estimated to be ten times the repeatability standard deviation. For calcium, sulfur, and zinc, the low limits represent the lowest concentrations tested in the interlaboratory study.

1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.8 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in 6.1, 8.2, and 8.4.

TABLE 1 Elements Determined and Suggested Wavelengths^A

^A These wavelengths are only suggested and do not represent all possible choices.

TABLE 2 Repeatability

Element	Range, mg/kg	Product Details Published: 04/15/2009 Number of Pages: 8 File Size: 1 file , 120 KB Redline File Size: 2 files , 210 KB Note: This product is unavailable in Russia, Ukraine, Belarus Document History ASTM D5185-13e1 ASTM D5185-13 ASTM D5185-09 ASTM D5185-02e2 ASTM D5185-02e1 ASTM D5185-02 ASTM D5185-97 ASTM C915-79(2002) Standard Specification for Precast Reinforced Concrete Crib Wall Members.. $30.00 $60.00 Add to Cart ASTM D3497-79(2003) Standard Test Method for Dynamic Modulus of Asphalt Mixtures (Withdrawn 2009).. $26.00 $52.00 Add to Cart ASTM C887-79a(1996)e1 Standard Specification for Packaged, Dry, Combined Materials for Surface Bonding Mortar.. $35.00 $69.00 Add to Cart ASTM C887-79a(2001) Standard Specification for Packaged, Dry, Combined Materials for Surface Bonding Mortar.. $34.00 $67.00 Add to Cart