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ASTM D6481

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
Publication Date: 10 November 1999
Status: inactive
Page Count: 5
ICS Code (Lubricants, industrial oils and related products): 75.100
scope:

This test method covers the quantitative determination of additive elements in unused lubricating oils, as shown in Table 1.

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.

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

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

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

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

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