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  • 1 Dalhousie University Trace Analysis Research Centre, Chemistry Department B3H, 4J1 Halifax N.S. (Canada)
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Lead phosphate quantitatively coprecipitates trace amounts of Ag(I), Cd(II), Cr(III), Cu(II), Mn(II), Th(IV), U(VI) and Zr(IV). The trace elements are determined in the precipitate by instrumental neutron activation analysis (INAA); detection limits are given. The practical application to the determination of U and Th is described.