Concentrations of uranium and thorium in seawater, sediment and some marine species taken from along the coastal areas of Malaysia were determined spectrophotometrically. The uranium and thorium concentrations in seawater were found to vary ranging from 1.80 microgram/L to 4.1 microgram/L and 0.14 microgram/L to 0.88 microgram/L, respectively. The concentration of uranium in sediment samples was reported to range from 3.00 microgram/g to 6.60 microgram/g while those of thorium were slightly lower ranging from 0.01 microgram/g to 0.68 microgram/g. The uptake of uranium and thorium in marine species was found to be rather low. Similar variations in total alpha activities in samples were also observed with the total alpha activities relatively lower than the beta activities in most samples.


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    Title :

    The distribution of uranium and thorium in samples taken from different polluted marine environment


    Contributors:
    Akyil, S. (author) / Yusof, A.M. (author)

    Published in:

    Journal of Hazardous Materials ; 144 , 1-2 ; 564-569


    Publication date :

    2007


    Size :

    6 Seiten, 1 Bild, 5 Tabellen, 16 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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