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

RJ Bosch; DC Fee; TW Selby

doi:10.1520/STP12009S

SYMPOSIA PAPER Published: 01 January 2005

STP12009S

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

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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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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

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

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