Determination of Boron and Lithium in Nuclear Materials by Secondary Ion Mass Spectrometry

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Abstract

Secondary ion mass spectrometry (SIMS) has been used for the rapid, accurate analysis of B and LI In various nuclear materials. The problem of sample charging observed in the analysis of Insulator materials has been overcome by distributing the sample as a thin film on a conducting substrate. No sample chemistry Is required for isotopic measurements and only sample dissolution Is necessary for the application of Isotope dilution methods for quantitative analysis. The high sensitivity of SIMS for B and Li makes It possible to analyze sufficiently small radioactive samples so that radiation is reduced to acceptable levels for safe handling. The precision of SIMS isotopic analysis for natural B samples is about 0.5% and is about 1.0% for natural LI samples.

Original languageEnglish
Pages (from-to)13-17
Number of pages5
JournalAnalytical Chemistry
Volume53
Issue number1
DOIs
StatePublished - Jan 1981

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