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2 results on '"Matthias Lemke"'

1. In-situ LIF Analysis of Biological and Petroleum-based Hydraulic Oils on Soil

Author

Hans-Gerd Löhmannsröbenc, Rebeca Fernández-Trujillo, and Matthias Lemke

Subjects
in-situ optical oil sensor, lubricants, hydraulic oils, soil, laser induced fluorescence, Chemical technology, TP1-1185
Abstract

Absorption and fluorescence properties of 4 hydraulic oils (3 biological and 1petroleum-based) were investigated. In-situ LIF (laser-induced fluorescence) analysis of theoils on a brown sandy loam soil was performed. With calibration, quantitative detection wasachieved. Estimated limits of detection were below ca. 500 mg/kg for the petroleum-basedoil and ca. 2000 mg/kg for one biological oil. A semi-quantitative classification scheme isproposed for monitoring of the biological oils. This approach was applied to investigate themigration of a biological oil in soil-containing compartments, namely a soil column and asoil bed.

Published
2005
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2. In-situ LIF Analysis of Biological and Petroleum-based Hydraulic Oils on Soil

Author

Rebeca Fernández-Trujillo, Matthias Lemke, and Hans-Gerd Löhmannsröben

Subjects
In situ, Classification scheme, Nanotechnology, lcsh:Chemical technology, Biochemistry, complex mixtures, Full Research Paper, Analytical Chemistry, soil, chemistry.chemical_compound, hydraulic oils, in-situ optical oil sensor, lcsh:TP1-1185, Electrical and Electronic Engineering, Laser-induced fluorescence, Instrumentation, laser induced fluorescence, Detection limit, lubricants, Atomic and Molecular Physics, and Optics, chemistry, Environmental chemistry, Loam, ddc:540, Soil column, Petroleum, Environmental science, Institut für Chemie
Abstract

Absorption and fluorescence properties of 4 hydraulic oils ( 3 biological and 1 petroleum-based) were investigated. In-situ LIF (laser-induced fluorescence) analysis of the oils on a brown sandy loam soil was performed. With calibration, quantitative detection was achieved. Estimated limits of detection were below ca. 500 mg/kg for the petroleum-based oil and ca. 2000 mg/kg for one biological oil. A semi-quantitative classification scheme is proposed for monitoring of the biological oils. This approach was applied to investigate the migration of a biological oil in soil- containing compartments, namely a soil column and a soil bed

Published
2005

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