Issue 2, 2022

Optimization of double isotope dilution

Abstract

Double isotope dilution is a powerful methodology to measure accurately the ratio between two isotopes of two different elements (e.g.238Pu/238U, 148Nd/238U or 230Th/238U ratios). To obtain the lowest possible uncertainty, some parameters must be optimized: the elaboration of the spike and the proportion of the spike in the sample–spike mixture. A piece of code is also provided to easily calculate the optimal parameters. As an example, the application of the code to 238Pu/238U and 148Nd/238U ratio determination in an irradiated sample will be discussed.

Graphical abstract: Optimization of double isotope dilution

Supplementary files

Article information

Article type
Technical Note
Submitted
16 Sep 2021
Accepted
06 Dec 2021
First published
06 Dec 2021

J. Anal. At. Spectrom., 2022,37, 240-248

Optimization of double isotope dilution

A. Quemet and S. Baghdadi, J. Anal. At. Spectrom., 2022, 37, 240 DOI: 10.1039/D1JA00322D

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