Nd triple collector analysis

Initially, ratios i , and / 2 measured in the first scan, where [Pg.221]

and are cup efficiency factors for cup 5, 6 and 7, respectively, S is the fractionation factor per mass unit. [Pg.221]

and Lee, T.C., 2001. An internal normalization technique for unmixing total-spiked mixtures with application to MC-ICP-MS. Computers Geosciences, 27 577-581. [Pg.222]

Hanser, A. and Hofmann, A.W., 1996. Evaluation of a Pb- Pb double spike for high-precision lead isotope analysis. In A.R. Basu, Hart, S. R. (Editor), Earth processes reading the isotopic code. Geophysical Monograph Am. Geophys. Union, pp. 429-437. [Pg.222]

Precise determination of Sm/Nd ratios, Sm and Nd isotopic abundances in standard solutions. Geochim. Cosmochim. Acta, 45 2311-2323. [Pg.222]

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