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Sensors for harsh environments using infrared attenuated total reflection spectroscopy

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Erstveröffentlichung
2018-12-19
DOI
10.18725/OPARU-11053
Dissertation


Authors
Rauh, Florian
Referee
Mizaikoff, Boris
Linden, Mika
Faculties
Fakultät für Naturwissenschaften
Institutions
Institut für Analytische und Bioanalytische Chemie
Institut für Anorganische Chemie II (Synthese und Charakterisierung anorganischer Materialien)
Cumulative dissertation containing articles
Rauh, F. & Mizaikoff, B. Spectroscopic methods in gas hydrate research. Anal. Bioanal. Chem. 402, 163–173 (2011). DOI: 10.1007/s00216-011-5522-1
Rauh, F., Luzinova, Y., Katzir, A., Pfeiffer, J. & Mizaikoff, B. A Gas Hydrate Autoclave Suitable for in-situ Fiber Optic Infrared Spectroscopic Studies. in Proceedings of the 7th International Conference on Gas Hydrates (2011).
Rauh, F., Pfeiffer, J. & Mizaikoff, B. Infrared spectroscopy on the role of surfactants during methane hydrate formation. RSC Adv. 7, 39109–39117 (2017). DOI: 10.1039/C7RA05242A
Rauh, F. & Mizaikoff, B. Simultaneous Determination of Monoatomic Ions via Infrared Attenuated Total Reflection Spectroscopy in Aqueous Solution at Different Temperatures. Appl. Spectrosc. 70, 1214–1227 (2016). DOI: 10.1177/0003702816652320
Rauh, F. & Mizaikoff, B. Simultaneous quantification of ion pairs in water via infrared attenuated total reflection spectroscopy. Anal Methods 8, 2164–2169 (2016). DOI: 10.1039/C5AY02874D
Rauh, F. et al. A mid-infrared sensor for the determination of perfluorocarbon-based compounds in aquatic systems for geosequestration purposes. Talanta 130, 527–535 (2014). DOI: 10.1016/j.talanta.2014.07.025
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Abstract
This cumulative thesis is based on five peer-reviewed publications and one conference contribution/proceedings. Three of the manuscripts discuss in-situ infrared spectroscopic studies on gas hydrates, while two additional publications address IR-ATR sensing of dissolved ions and ion pairs in synthetic salt solutions and in real seawater. Finally, one publication covers the infrared spectroscopic detection of perfluorinated tracer molecules for potential usage during subsurface storage of carbon dioxide. Therefore, various attenuated total reflection mid-infrared spectroscopic (IR-ATR spectroscopy) sensing methods were developed to enable measurements at extreme conditions in aqueous environments, i.e. at high-pressure conditions or at high saline concentrations. IR-ATR spectroscopy is a powerful tool for the detection of molecular changes that occur in materials and molecules (i.e. phase transitions, adsorption, etc.). Each molecule shows individual infrared absorption patterns, which – next to its molecular identity - also give information on its physical condition. Fiber optic MIR ATR spectroscopy is a robust and reliable spectroscopic sensing technique that may not only be miniaturized but enables in-situ measurements even at conditions that are occurring, e.g. in the deep sea and in other geologically relevant environments.
Date created
2018
EU Project
SCHEMA / INTEGRATED IN SITU CHEMICAL MAPPING PROBES / EC / FP7 / 614002
Subject Headings
ATR-Technik [GND]
Ion [GND]
Ionenpaar [GND]
CCS [GND]
Tracer [GND]
Infrarotspektroskopie [GND]
Ions [LCSH]
Component analysis, principal [LCSH]
Tracers (Chemistry) [LCSH]
Infrared spectroscopy [LCSH]
Detergents [LCSH]
Seawater analysis [LCSH]
Keywords
ATR; Gas hydrates; Ion pairs; Perfluorinated tracers
Dewey Decimal Group
DDC 540 / Chemistry & allied sciences

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Rauh, Florian (2018): Sensors for harsh environments using infrared attenuated total reflection spectroscopy. Open Access Repositorium der Universität Ulm. Dissertation. http://dx.doi.org/10.18725/OPARU-11053

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