Combination of atomic lines and molecular bands for uranium optical isotopic analysis in laser induced plasma spectrometry

Combination of atomic lines and molecular bands for uranium optical isotopic analysis in laser induced plasma spectrometry

TitleCombination of atomic lines and molecular bands for uranium optical isotopic analysis in laser induced plasma spectrometry
Publication TypeJournal Article
Year of Publication2017
AuthorsXianglei Mao, George C-Y Chan, Inhee Choi, Vassilia Zorba, Richard E Russo
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume312
Issue1
Pagination121 - 131
Date Published02/2017
ISSN0236-5731
Abstract

Through computer simulation on experimentally acquired optical spectra, uranium isotopic analysis by laser ablation molecular isotopic spectrometry and laser induced breakdown spectroscopy were studied. The use of only one spectral feature, either the strong UO band at 593.55 nm or the nearby U I 593.382 nm line, are similar in precisions (~ 1.5% in absolute 235U abundances). Precision improves to 0.72% with the use of a group of U atomic lines from 591.6 to 596.5 nm. The use of both molecular bands and atomic lines further advances the precision to 0.42% and compares well with the U II 424.437 nm single-line benchmark (0.48% precision).

DOI10.1007/s10967-017-5197-y
Short TitleJ Radioanal Nucl Chem
Refereed DesignationRefereed