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ASTM D943 Revision 04A, November 1, 2004
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Standard Test Method for Oxidation Characteristics of Inhibited Mineral Oils
Includes all amendments and changes through Editorial Change 1, October 2010
Additional Comments: ALSO SEE ASTM D943 (R)
Page Count:10
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This test method covers the evaluation of the oxidation stability of inhibited steam-turbine oils in the presence of oxygen, water, and copper and iron metals at an elevated temperature. This test method is limited to a maximum testing time of 10 000 h. This test method is also used for testing other oils, such as hydraulic oils and circulating oils having a specific gravity less than that of water and containing rust and oxidation inhibitors.

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

Exception—The values in parentheses in the figures are provided for information for those using old equipment based on non-SI units.

WARNING—Mercury has been designated by many regulatory agencies as a hazardous material that can cause central nervous system, kidney and liver damage. Mercury, or its vapor, may be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. See the applicable product Material Safety Data Sheet (MSDS) for details and EPA's website—http://www.epa.gov/mercury/faq.htm—for additional information. Users should be aware that selling mercury and/or mercury containing products into your state or country may be prohibited by law.

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. For specific warning statements, see Section 6.