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Liquid dosimeter with sensitivity in low-kGy range for the characterization of a new module for EB wastewater treatment

Lotte Ligaya Schaap

Lotte Ligaya Schaap

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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Schaap, Lotte Ligaya
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Tobias Teichmann

Tobias Teichmann

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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Teichmann, Tobias
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Andre Poremba

Andre Poremba

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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Poremba, Andre
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Joana Kira Besecke

Joana Kira Besecke

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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Besecke, Joana Kira
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Simone Schopf

Simone Schopf

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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Gösta Mattausch

Gösta Mattausch

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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Mattausch, Gösta
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Elizabeth von Hauff

Elizabeth von Hauff

Fraunhofer Institute for Electron Beam and Plasma Technology FEPDresden, Germany
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von Hauff, Elizabeth
  
25 giu 2024
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Categoria dell'articolo: Original Paper
Pubblicato online: 25 giu 2024
Pagine: 75 - 80
Ricevuto: 15 nov 2023
Accettato: 03 apr 2024
DOI: https://doi.org/10.2478/nuka-2024-0010
Parole chiave
© 2024 Lotte Ligaya Schaap et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1.

Roselle dosimeter in oriented polypropylene setup.
Roselle dosimeter in oriented polypropylene setup.

Fig. 2.

FEP’s laboratory EB facility REAMODE (left) with linear module (right).
FEP’s laboratory EB facility REAMODE (left) with linear module (right).

Fig. 3.

Depth-dose distribution in the liquid layer.
Depth-dose distribution in the liquid layer.

Fig. 4.

Absorbance spectra of Roselle dosimeter at different doses (left) and absorbance spectra from Handayani and Imawan [9] (right).
Absorbance spectra of Roselle dosimeter at different doses (left) and absorbance spectra from Handayani and Imawan [9] (right).

Fig. 5.

Roselle dosimeter irradiated at 0, 0.6, 1.3, and 2.5 kGy.
Roselle dosimeter irradiated at 0, 0.6, 1.3, and 2.5 kGy.

Fig. 6.

Maximum absorbance of Roselle dosimeter at 520 nm peak vs. reference dose (left) and calibration curve of Roselle dosimeter: dosimeter response vs. reference dose (right).
Maximum absorbance of Roselle dosimeter at 520 nm peak vs. reference dose (left) and calibration curve of Roselle dosimeter: dosimeter response vs. reference dose (right).

Relative change in peak absorbance of Roselle dosimeter solution at set time intervals_ Negative values indicate a decrease in peak absorbance

Dose (kGy) Peak absorbance Relative change in peak absorbance (%)
10 min 20 min 30 min 40 min 1 h 96 h
0 3.74 0.6 3.9 4.1 –0.3 –1.1 –68.8
0.3 2.93 –0.5 –1.5 –2.2 –2.9 –8.3 –53.9
0.9 2.61 –1.3 –2.2 –3.1 –9.5 –9.5 –55.6
1.8 1.20 –0.7 –0.7 –1.5 –1.9 –12.1 –59.1
3.8 1.05 0.9 2.4 4.3 5.5 5.3 –3.2
7.5 0.51 5.0 10.6 15.9 21.0 42.1 21.4
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Chimica, Chimica nucleare, Fisica, Astronomia ed astrofisica, Fisica, altro
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