Characterization of used mineral oil condition by spectroscopic techniques

Jarmo Vanhanen; Marcus Rinkiö; Jukka Aumanen; Jouko Korppi-Tommola; Erkki Kolehmainen; Tuula Kerkkänen; Päivi Törmä

doi:10.1364/AO.43.004718

Characterization of used mineral oil condition by spectroscopic techniques

Jarmo Vanhanen^*, Marcus Rinkiö, Jukka Aumanen, Jouko Korppi-Tommola, Erkki Kolehmainen, Tuula Kerkkänen, Päivi Törmä

^*Corresponding author for this work

Not published at Aalto University

University of Jyväskylä

Research output: Contribution to journal › Article › Scientific › peer-review

14 Citations (Scopus)

Abstract

Optical absorption, fluorescence, and quantitative ¹³C NMR spectroscopy have been used to study the degradation of mineral gearbox oil. Samples of used oil were collected from field service. Measured absorption, fluorescence, and quantitative ¹³C NMR spectra of used oils show characteristic changes from the spectra of a fresh oil sample. A clearly observable, ∼20-nm blueshift of the fluorescence emission occurs during the early stages of oil use and correlates with changes in intensity of some specific ¹³C NMR resonance lines. These changes correlate with oil age because of the connection between the blueshift and breaking of the larger conjugated hydrocarbons of oil as a result of use.

Original language	English
Pages (from-to)	4718-4722
Number of pages	5
Journal	Applied Optics
Volume	43
Issue number	24
DOIs	https://doi.org/10.1364/AO.43.004718
Publication status	Published - 20 Aug 2004
MoE publication type	A1 Journal article-refereed

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title = "Characterization of used mineral oil condition by spectroscopic techniques",

abstract = "Optical absorption, fluorescence, and quantitative 13C NMR spectroscopy have been used to study the degradation of mineral gearbox oil. Samples of used oil were collected from field service. Measured absorption, fluorescence, and quantitative 13C NMR spectra of used oils show characteristic changes from the spectra of a fresh oil sample. A clearly observable, ∼20-nm blueshift of the fluorescence emission occurs during the early stages of oil use and correlates with changes in intensity of some specific 13C NMR resonance lines. These changes correlate with oil age because of the connection between the blueshift and breaking of the larger conjugated hydrocarbons of oil as a result of use.",

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AU - Vanhanen, Jarmo

AU - Rinkiö, Marcus

AU - Aumanen, Jukka

AU - Korppi-Tommola, Jouko

AU - Kolehmainen, Erkki

AU - Kerkkänen, Tuula

AU - Törmä, Päivi

PY - 2004/8/20

Y1 - 2004/8/20

N2 - Optical absorption, fluorescence, and quantitative 13C NMR spectroscopy have been used to study the degradation of mineral gearbox oil. Samples of used oil were collected from field service. Measured absorption, fluorescence, and quantitative 13C NMR spectra of used oils show characteristic changes from the spectra of a fresh oil sample. A clearly observable, ∼20-nm blueshift of the fluorescence emission occurs during the early stages of oil use and correlates with changes in intensity of some specific 13C NMR resonance lines. These changes correlate with oil age because of the connection between the blueshift and breaking of the larger conjugated hydrocarbons of oil as a result of use.

AB - Optical absorption, fluorescence, and quantitative 13C NMR spectroscopy have been used to study the degradation of mineral gearbox oil. Samples of used oil were collected from field service. Measured absorption, fluorescence, and quantitative 13C NMR spectra of used oils show characteristic changes from the spectra of a fresh oil sample. A clearly observable, ∼20-nm blueshift of the fluorescence emission occurs during the early stages of oil use and correlates with changes in intensity of some specific 13C NMR resonance lines. These changes correlate with oil age because of the connection between the blueshift and breaking of the larger conjugated hydrocarbons of oil as a result of use.

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DO - 10.1364/AO.43.004718

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VL - 43

SP - 4718

EP - 4722

JO - Applied Optics

JF - Applied Optics

IS - 24

ER -

Characterization of used mineral oil condition by spectroscopic techniques

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