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Loss of99Tc from seaweeds in the course of dry ashing

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Abstract

Loss of99Tc in seaweed during dry ashing has been investigated. Two kinds of brown seaweeds labeled with99Tc were ashed for 24 or 48 h at 400, 450 and 500 °C, showing no correlation between the loss of99Tc and species, temperature and time of ashing. The averaged recovery of99Tc was 91.0±4.0%, indicating that most of the99Tc in the seaweed was retained within the matrix of the ash which was obtained under general conditions of ashing.

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Momoshima, N., Inoue, N. & Takashima, Y. Loss of99Tc from seaweeds in the course of dry ashing. Journal of Radioanalytical and Nuclear Chemistry Letters 155, 335–342 (1991). https://doi.org/10.1007/BF02163880

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  • DOI: https://doi.org/10.1007/BF02163880

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