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Title: On the ways of expressing radiocesium contamination in plants for radioecological research
Authors: Nimis, P.L.
Giovani, C.
Padovani, R.
Keywords: Cesium - 137Potassium - 40RadiocontaminationRadioecology
Issue Date: 1990
Publisher: EUT Edizioni Università di Trieste
Source: P.L. Nimis, C. Giovani, R. Padovani, "On the ways of expressing radiocesium contamination in plants for radioecological research" in: "Studia Geobotanica. An international journal, Vol. 10 (1990)", EUT Edizioni Università di Trieste, Trieste, 1990, pp. 71-80
Series/Report no.: Studia Geobotanica. An international journal
In vascular plants radiocesium and K-40 are mostly free in acqueous solution. The expression of radiocontamination on dry weight basis does not take into account the fact that different plant species, or different parts of a species, may have very different contents in cellulose or lignine. These may mask the actual concentration of the radionuclides in plant water, a fact that may be a serious source of error when the aim is to compare absorption rates. This paper, on the basis of a case study on 10 species in the Carnic Alps (NE-Italy), shows how the expression of radiocontamination on a water basis (difference between fresh and dry weight) may be much more appropriate in certain fields of radioecological research.
Type: Article
Appears in Collections:10 - Studia Geobotanica. An international journal - Vol. 10 (1990)

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