A bone ash standard for90Sr,210Pb,210Po,uranium and the actinides |
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Authors: | P. W. Krey M. S. Feiner C. G. Sanderson J. Mcinroy K. G. W. Inn J. M. R. Hutchinson |
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Affiliation: | (1) Department of Nuclear Chemistry, Comenius University, Mlynská dolina CH-1, SK-842 15 Bratislava, (Slovakia) |
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Abstract: | Possibilities and problems of experimental differentiation of two chemical or particle forms of element M (Acentral atom or group, Bcomplex, metalorganic or bioinorganic species, colloid, etc.) between which mutual equilibria can exist at their partition in two-phase systems, when the gross (analytical) concentrations are determined in each phase (by AAS, NAA, or radiometrically) are outlined for: (1) static distribution (batch separation) between two immiscible phases, when both the partial concentrations of A and B and their distribution coefficients generally can be determined by a single or fractional separation, (2) dynamic distribution (chromatographic separation) between the peaks of two metal species, when the potentialities can be strongly affected by secondary equilibria or when the sample-eluent interactions can be assessed. |
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