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SAE J1787 (SEP2020)

Current Revision

Measurement of the Total Ash Content of Aviation Piston Engine Oils by a Calculation Method

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This SAE Recommended Practice describes an empirical method for determining the theoretical ash content of aviation piston engine lubricating oils by calculating the equivalent weight of metallic oxides formed at 775 °C based on the metallic elemental concentration. The calculation method of ash determination may be used as an alternate to ASTM D 482 for application to the standards for aviation piston engine lubricating oils.

SDO SAE: SAE International
Document Number J1787
Publication Date Sept. 29, 2020
Language en - English
Page Count 4
Revision Level 202009
Supercedes
Committee
Publish Date Document Id Type View
Sept. 29, 2020 J1787_202009 Revision
Aug. 22, 2011 J1787_201108 Revision
May 4, 2005 J1787_200505 Revision
July 24, 2000 J1787_200007 Revision