ASTM International - ASTM D91-02(2019)

Standard Test Method for Precipitation Number of Lubricating Oils

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Organization: ASTM International
Publication Date: 1 May 2019
Status: active
Page Count: 3
ICS Code (Lubricants, industrial oils and related products): 75.100
significance And Use:

4.1 Fully refined petroleum oils normally contain no naphtha-insoluble material. Semirefined or black oils frequently contain some naphtha-insoluble material (sometimes referred to as... View More

scope:

1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils.

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

1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Document History

ASTM D91-02(2019)
May 1, 2019
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in SI units are...
July 1, 2017
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in SI units are...
November 1, 2012
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in acceptable SI...
November 1, 2012
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in acceptable SI...
May 1, 2007
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in acceptable SI...
May 1, 2007
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in acceptable SI...
June 10, 2002
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 The values stated in acceptable SI...
December 10, 1997
Standard Test Method for Precipitation Number of Lubricating Oils
1.1 This test method covers the determination of the precipitation number of steam cylinder stocks and black oils, and can be used for other lubricating oils. 1.2 This standard does not purport to...
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