Elemental analysis of automobile engine lubrication oil using in-air PIXE☆

被引：0
作者：
Saitoh, Katsumi [1 ]
Tsuchida, Hidetsugu [2 ]
Miwa, Misako [3 ]
Toyama, Sho [3 ]
Matsuyama, Shigeo [3 ]
机构：
[1] Environm Sci Anal & Res Lab, 1-500-82 Matsuo Yosegi, Hachimantai, Iwate 0287302, Japan
[2] KYOTO UNIV, DEPT NUCL ENGN, Uji, KYOTO 611011, Japan
[3] Tohoku Univ, Dept Quantum Sci & Energy Engn, 6-6-01-2 Aramaki Aza,Aoba Ku, Sendai 9808579, Japan
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2025年 / 559卷
关键词：
Automobile engine lubrication oil; Elemental analysis; in-air PIXE; Metal particles; Automobile exhaust particles; Automobile tailpipe emissions; CHEMICAL-COMPOSITION; WEAR METALS; NANOPARTICLES; FUEL;
D O I：
10.1016/j.nimb.2024.165601
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
To identify the elemental characteristics of engine lubricating oil-derived particles emitted from automobiles, we established an elemental analysis technique for engine lubricating oils using the in-air PIXE method, and conducted elemental analysis of unused and used engine lubrication oils, which revealed that S and Ca found in the internal standard base oil Sc 2000 wt-ppm (CONOSTAN (R)) and In 1000 wt-ppm (CONOSTAN (R)) were detected in addition to P, Fe and Zn, while K was detected only in the unused engine oil. The concentration balance of P, S, and Zn in the unused and used engine oil confirmed the presence of zinc dialkyldithiophosphate (ZnDTP), which is added to engine lubricating oil as a friction modifier and antioxidant. These results are useful in characterizing the elemental composition of particles derived from engine lubricating oils.
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页数：5
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