J1787_202009 Measurement of the Total Ash Content of Aviation Piston Engine Oils by a Calculation Method
Reaffirmed
09/29/2020
- Features
- Issuing Committee
- Content
- 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.
- Pages
- 4
- Citation
- SAE International Recommended Practice, Measurement of the Total Ash Content of Aviation Piston Engine Oils by a Calculation Method, SAE Standard J1787_202009, Reaffirmed September 2020, Revised August 2011, Issued October 1995, https://doi.org/10.4271/J1787_202009.