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ASTM International - ASTM D6481-99(2004)

Standard Test Method for Determination of Phosphorus, Sulfur, Calcium, and Zinc in Lubrication Oils by Energy Dispersive X-ray Fluorescence Spectroscopy

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Organization: ASTM International
Publication Date: 1 May 2004
Status: inactive
Page Count: 5
significance And Use:

Some oils are formulated with organo-metallic additives, which act, for example, as detergents, antioxidants, and antiwear agents. Some of these additives contain one or more of these elements:... View More

scope:

1.1 This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in .

1.2 This test method is limited to the use of energy dispersive X-ray fluorescence (EDXRF) spectrometers employing an X-ray tube for excitation in conjunction with the ability to separate the signals of adjacent elements.

1.3 This test method uses interelement correction factors calculated from empirical calibration data.

1.4 This test method is not suitable for the determination of magnesium and copper at the concentrations present in lubricating oils.

1.5 This test method excludes lubricating oils that contain chlorine or barium as an additive element.

1.6 This test method can be used by persons who are not skilled in X-ray spectrometry. It is intended to be used as a routine test method for production control analysis.

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 to use.

Document History

May 1, 2019
Standard Test Method for Determination of Phosphorus, Sulfur, Calcium, and Zinc in Lubrication Oils by Energy Dispersive X-ray Fluorescence Spectroscopy
1.1 This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in Table 1. 1.2 This test method is limited to the use of energy dispersive X-ray...
December 1, 2014
Standard Test Method for Determination of Phosphorus, Sulfur, Calcium, and Zinc in Lubrication Oils by Energy Dispersive X-ray Fluorescence Spectroscopy
1.1 This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in Table 1. 1.2 This test method is limited to the use of energy dispersive X-ray...
May 1, 2010
Standard Test Method for Determination of Phosphorus, Sulfur, Calcium, and Zinc in Lubrication Oils by Energy Dispersive X-ray Fluorescence Spectroscopy
1.1 This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in Table 1. 1.2 This test method is limited to the use of energy dispersive X-ray...
ASTM D6481-99(2004)
May 1, 2004
Standard Test Method for Determination of Phosphorus, Sulfur, Calcium, and Zinc in Lubrication Oils by Energy Dispersive X-ray Fluorescence Spectroscopy
1.1 This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in . 1.2 This test method is limited to the use of energy dispersive X-ray...
November 10, 1999
Standard Test Method for Determination of Phosphorus, Sulfur, Calcium, and Zinc in Lubrication Oils by Energy Dispersive X-ray Fluorescence Spectroscopy
1.1 This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in Table 1. 1.2 This test method is limited to the use of energy dispersive X-ray...
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