Monitoring the crystallization of tartaric acid with THz spectroscopy

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2017
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Soltani, Amin
Fischer, Bernd M.
Koch, Martin
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2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; Proceedings. Piscataway, NJ: IEEE, 2017. eISSN 2162-2035. ISBN 978-1-5090-6050-4. Available under: doi: 10.1109/IRMMW-THz.2017.8066993
Zusammenfassung

We study the crystallization of L-(+)-Tartaric acid by employing attenuated total reflection THz time-domain spectroscopy (TDS). In the so-called nucleation stage, the absorption spectrum shows a broadband transient increase. Besides, we observed a transient resonance at 750 GHz. This peak can be assigned to aggregation of L-(+)-Tartaric acid molecules including hydrated water molecules. Furthermore, the THz data reveal the vibration of clusters in the solution phase which is confirmed by analytical ultracentrifugation technique.

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540 Chemie
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2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz), 27. Aug. 2017 - 1. Sept. 2017, Cancun, Mexico
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ISO 690SOLTANI, Amin, Denis GEBAUER, Bernd M. FISCHER, Helmut CÖLFEN, Martin KOCH, 2017. Monitoring the crystallization of tartaric acid with THz spectroscopy. 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). Cancun, Mexico, 27. Aug. 2017 - 1. Sept. 2017. In: 2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; Proceedings. Piscataway, NJ: IEEE, 2017. eISSN 2162-2035. ISBN 978-1-5090-6050-4. Available under: doi: 10.1109/IRMMW-THz.2017.8066993
BibTex
@inproceedings{Soltani2017-08Monit-41181,
  year={2017},
  doi={10.1109/IRMMW-THz.2017.8066993},
  title={Monitoring the crystallization of tartaric acid with THz spectroscopy},
  isbn={978-1-5090-6050-4},
  publisher={IEEE},
  address={Piscataway, NJ},
  booktitle={2017 42nd International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) ; Proceedings},
  author={Soltani, Amin and Gebauer, Denis and Fischer, Bernd M. and Cölfen, Helmut and Koch, Martin}
}
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