The qualitative and quantitative analysis of lubricant oil additives by direct analysis in real time-mass spectrometry

被引：11

作者：

Da Costa, Caitlyn ^{[1
]}

Whitmarsh, Samuel ^{[2
]}

Lynch, Tom ^{[2
]}

Creaser, Colin S. ^{[1
]}

机构：

[1] Univ Loughborough, Dept Chem, Ctr Analyt Sci, Loughborough LE11 3TU, Leics, England

[2] BP Technol Ctr, Whitchurch Hill, Reading RG8 7QR, Berks, England

来源：

INTERNATIONAL JOURNAL OF MASS SPECTROMETRY | 2016年 / 405卷

基金：

英国工程与自然科学研究理事会;

关键词：

Direct analysis in real time; Mass spectrometry; Lubricant additives; Ambient ionization; SUPERCRITICAL-FLUID CHROMATOGRAPHY; ELECTROSPRAY-IONIZATION; CHEMICAL-IONIZATION; GAS CHROMATOGRAPHY; SURFACE-ANALYSIS; RAPID ANALYSIS; ION-TRAP; BASE OIL; DART-MS; PERFORMANCE;

D O I：

10.1016/j.ijms.2016.05.011

中图分类号：

O64 [物理化学（理论化学）、化学物理学]; O56 [分子物理学、原子物理学];

学科分类号：

070203 ; 070304 ; 081704 ; 1406 ;

摘要：

The application of direct analysis in real time combined with mass spectrometry (DART-MS) to the qualitative analysis of lubricant and oil additives, and the quantitative analysis of a lubricant antioxidant additive is reported. The additives were analysed alone and in the presence of a base oil, from filter paper, glass and steel surfaces, showing the potential of the DART-MS technique for the direct, rapid analysis of lubricant oil additives. The quantitative capabilities of the technique were evaluated for the antioxidant in an oil matrix at concentrations in the range 0.1-8 mg/mL in oil (1-80 mu g antioxidant on spot), using a structural analogue of the antioxidant as an internal standard. The linearity (R-2 = 0.997), precision (% RSD = 2.6%) and LOD (0.04 mg/mL in oil) of the method demonstrates that DART-MS is capable of the rapid determination of additives in oil without pre-extraction. (C) 2016 Published by Elsevier B.V.

引用

页码：24 / 31

页数：8

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