Liquid dosimeter with sensitivity in low-kGy range for the characterization of a new module for EB wastewater treatment
, , , , , e | 25 giu 2024
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Article Category: 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.
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Fig. 4.
![Absorbance spectra of Roselle dosimeter at different doses (left) and absorbance spectra from Handayani and Imawan [9] (right).](https://sciendo-parsed.s3.eu-central-1.amazonaws.com/667ab072dd1c3d1f8713e9a5/j_nuka-2024-0010_fig_004.jpg?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Date=20240725T162917Z&X-Amz-SignedHeaders=host&X-Amz-Expires=18000&X-Amz-Credential=AKIA6AP2G7AKP25APDM2%2F20240725%2Feu-central-1%2Fs3%2Faws4_request&X-Amz-Signature=e23efdc172cd8b5fde5bc46d5711f6c56028c4d2fa88a1a1d8d126ea3f28b52e)
Fig. 5.
Fig. 6.
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 |