Study on the method of preparation 97Tc
Abstract Technetium-99 is one of several long-lived fission products which, when detected in the environment can give an indication of a specific nuclear activity. The most sensitive analytical technique for 99Tc yet reported is by isotopic dilution mass spectrometry with technetium-97 as the yield tracer. A method for the preparation of 97Tc is reported in this paper. 97Tc was obtained by irradiation of a sample of natural ruthenium metal in a high flux reactor. After cooling for 2 years, the technetium was isolated from the sample by technique combining; deposition, solvent extraction, and ion-exchange chromatography techniques. 99mTc and 103Ru were used as radio-tracers for the process. The results showed that more than 70% of the Tc was recovered the decontamination factor is more than 2.3 × $ 10^{7} $. The 97Tc was calibrated by isotope dilution mass spectrometry with 99Tc as the yield tracer. The final yield was 29.56 μg of 97Tc suitable for use as a mass spectrometric spike (weight % 97Tc spike: 97Tc, 84.77%; 98Tc, 15.03%; 99Tc, 0.20%)..
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2009 |
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| Erschienen: |
2009 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:283 |
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| Enthalten in: |
Journal of radioanalytical and nuclear chemistry - 283(2009), 1 vom: 27. Juni, Seite 111-116 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Lixiong [VerfasserIn] |
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| Links: |
Volltext [lizenzpflichtig] |
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| Themen: |
| doi: |
10.1007/s10967-009-0129-0 |
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| 520 | |a Abstract Technetium-99 is one of several long-lived fission products which, when detected in the environment can give an indication of a specific nuclear activity. The most sensitive analytical technique for 99Tc yet reported is by isotopic dilution mass spectrometry with technetium-97 as the yield tracer. A method for the preparation of 97Tc is reported in this paper. 97Tc was obtained by irradiation of a sample of natural ruthenium metal in a high flux reactor. After cooling for 2 years, the technetium was isolated from the sample by technique combining; deposition, solvent extraction, and ion-exchange chromatography techniques. 99mTc and 103Ru were used as radio-tracers for the process. The results showed that more than 70% of the Tc was recovered the decontamination factor is more than 2.3 × $ 10^{7} $. The 97Tc was calibrated by isotope dilution mass spectrometry with 99Tc as the yield tracer. The final yield was 29.56 μg of 97Tc suitable for use as a mass spectrometric spike (weight % 97Tc spike: 97Tc, 84.77%; 98Tc, 15.03%; 99Tc, 0.20%). | ||
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| 700 | 1 | |a Xiong, Zonghua |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yanqiu |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Liang |e verfasserin |4 aut | |
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