ASTM International - ASTM D91-02(2007)e1
Standard Test Method for Precipitation Number of Lubricating Oils
| Organization: | ASTM International |
| Publication Date: | 1 May 2007 |
| Status: | inactive |
| Page Count: | 3 |
| ICS Code (Lubricants, industrial oils and related products): | 75.100 |
significance And Use:
Fully refined petroleum oils normally contain no naphtha insoluble material. Semirefined or black oils frequently contain some naphtha insoluble material (sometimes referred to as asphaltenes).... 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 acceptable SI units are to be regarded as the standard.
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.
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