Abstract
The eight segments of five normal human livers are analysed for 25 trace elements by radiochemical NAA. This consits of an automated wet destruction of the samples and two distillations, followed by ion exchange procedures. Ru is used as triple-comparator for the standardisation. Short-lived and matrix-isotopes are standardised by the Bowen's kale powder. The results reveal that the coefficient of variation within the liver is smaller than 10% for the elements Cd, Cl, Cs, Cu, Fe, K, Mg, Mn, Rb, Se and Zn. The highest range observed for the elements As, Br, Co, Cr, Hg, La, Mo, Na and Sb within a liver is smaller than the range observed between the five livers.
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