Thermochromatographic behavior of iodine in fused silica columns when evaporated from lead–bismuth eutectic
Abstract As a step toward licensing a lead–bismuth eutectic (LBE) based reactor design, the adsorption behavior of iodine evaporated from LBE on fused silica was examined. Using inert and reducing carrier gases, depositions with an adsorption enthalpy of − 95 to − 113 kJ $ mol^{−1} $ were observed. These depositions are compatible with a single species, tentatively identified as bismuth monoiodide, BiI. When introducing oxidizing conditions, multiple iodine species with higher volatility form, with adsorption enthalpies ranging from − 67 to − 86 kJ $ mol^{−1} $. Based on an empirical correlation one of these species was identified as monatomic iodine. This work provides fundamental understanding of the LBE/iodine gaseous chemistry and related adsorption deposition behavior..
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:326 |
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| Enthalten in: |
Journal of radioanalytical and nuclear chemistry - 326(2020), 2 vom: 11. Okt., Seite 1249-1258 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Karlsson, Erik [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| BKL: | |
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| Themen: |
Adsorption |
| Anmerkungen: |
© The Author(s) 2020 |
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| doi: |
10.1007/s10967-020-07420-1 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
OLC2120657505 |
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| 245 | 1 | 0 | |a Thermochromatographic behavior of iodine in fused silica columns when evaporated from lead–bismuth eutectic |
| 264 | 1 | |c 2020 | |
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| 520 | |a Abstract As a step toward licensing a lead–bismuth eutectic (LBE) based reactor design, the adsorption behavior of iodine evaporated from LBE on fused silica was examined. Using inert and reducing carrier gases, depositions with an adsorption enthalpy of − 95 to − 113 kJ $ mol^{−1} $ were observed. These depositions are compatible with a single species, tentatively identified as bismuth monoiodide, BiI. When introducing oxidizing conditions, multiple iodine species with higher volatility form, with adsorption enthalpies ranging from − 67 to − 86 kJ $ mol^{−1} $. Based on an empirical correlation one of these species was identified as monatomic iodine. This work provides fundamental understanding of the LBE/iodine gaseous chemistry and related adsorption deposition behavior. | ||
| 650 | 4 | |a Iodine | |
| 650 | 4 | |a Lead–bismuth eutectic | |
| 650 | 4 | |a Thermochromatography | |
| 650 | 4 | |a Fused silica | |
| 650 | 4 | |a Adsorption | |
| 700 | 1 | |a Neuhausen, Jörg |0 (orcid)0000-0001-8662-6247 |4 aut | |
| 700 | 1 | |a Eichler, Robert |4 aut | |
| 700 | 1 | |a Aerts, Alexander |4 aut | |
| 700 | 1 | |a Danilov, Ivan I. |4 aut | |
| 700 | 1 | |a Vögele, Alexander |4 aut | |
| 700 | 1 | |a Türler, Andreas |4 aut | |
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