Residual activity of Tc-generators

Residual activity of Tc-generators

Owing to contamination by long-lived radio-isotopes, the residual activity of an old 99Mo-99mTc generator may be large enough to prevent its disposal. The long-lived impurities of one generator were determined by energy spectrum and half-life measurements. In this generator 46Sc, 51Cr, 60 Co, 92mNb,...

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Veröffentlicht in:European Journal of Nuclear Medicine 1981-01, Vol.6 (6), p.269
Hauptverfasser: Väyrynen, T, Näsman, P, Kiviniitty, K
Format: Artikel
Sprache:eng
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Radioactive Waste
Radionuclide Generators
Refuse Disposal
Technetium
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container_issue 6
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container_title European Journal of Nuclear Medicine
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creator Väyrynen, T
Näsman, P
Kiviniitty, K
description Owing to contamination by long-lived radio-isotopes, the residual activity of an old 99Mo-99mTc generator may be large enough to prevent its disposal. The long-lived impurities of one generator were determined by energy spectrum and half-life measurements. In this generator 46Sc, 51Cr, 60 Co, 92mNb, 95Nb and 124Sb nuclides were found. Only the half-life of 60Co exceeds 3 months, thus a moderately long storage of the generator reduces the activity, and its disposal is then safe.
doi_str_mv 10.1007/BF00251351
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source MEDLINE; Springer Nature - Complete Springer Journals
subjects Radioactive Waste
Radionuclide Generators
Refuse Disposal
Technetium
title Residual activity of Tc-generators
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