SYMPOSIA PAPER Published: 01 January 2005
STP12009S

Analysis of the Volatiles Generated During the Selby-Noack Test by P NMR Spectroscopy

Source

A series of engine oil samples collected during a study of their Phosphorus Emission Index values were analyzed by 31P Nuclear Magnetic Resonance Spectroscopy. (The PEI analyses themselves were presented in an associated paper [1]). NMR spectra were generated to obtain and explain the mode of formation and identity of the phosphorus-containing species in the volatiles generated during the Selby-Noack volatility test and to compare these species to those found in both the fresh oil and the residual oil remaining after the volatility test.

Author Information

Bosch, RJ
Astaris LLC, Webster Groves, Missouri
Fee, DC
Astaris LLC, Webster Groves, Missouri
Selby, TW
Savant, Inc., Midland, Michigan
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Details
Developed by Committee: D02
Pages: 255–273
DOI: 10.1520/STP12009S
ISBN-EB: 978-0-8031-5509-1
ISBN-13: 978-0-8031-3494-2