Analysis of the volatiles generated during the Selby-Noack test by 31P NMR spectroscopy

被引：0
|
作者：
Bosch, RJ [1 ]
Fee, DC [1 ]
Selby, TW [1 ]
机构：
[1] Astaris LLC, Webster Groves, MO 63119 USA
来源：
Elemental Analysis of Fuels and Lubricants: Recent Advances and Future Prospects | 2005年 / 1468卷
关键词：
phosphorus volatility; exhaust catalyst; exhaust emissions; ZDDP; zinc dithiophosphates; phosphorus emission index; PEI; P-31; NMR; NMR spectroscopy;
D O I：
10.1520/STP12009S
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
A series of engine oil samples collected during a study of their Phosphorus Emission Index values were analyzed by P-31 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.
引用
收藏
页码：255 / 273
页数：19
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