Comparison of three chemical extraction methods for I-129 determinations

We report here results comparing the efficiency of three iodine extraction methods for the determination of 129I/I ratios in small samples. The direct organic extraction had the highest average yield. 129I/I ratios determined from targets prepared by direct organic extraction and silver extraction a...

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Bibliographic Details
Published inNuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Vol. 268; no. 7; pp. 952 - 955
Main Authors Lu, Z., Fehn, U., Zhao, X., Kieser, W.E., Tomaru, H.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.04.2010
Subjects
129I/I
Extraction methods
Iodine
129I/I
Extraction methods
Iodine
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Summary:We report here results comparing the efficiency of three iodine extraction methods for the determination of 129I/I ratios in small samples. The direct organic extraction had the highest average yield. 129I/I ratios determined from targets prepared by direct organic extraction and silver extraction are comparable to each other within the error limits. The smallest sample from which a reliable 129I/I ratio was measured, started with an iodine input of 0.2 mg iodine and contained 0.14 mg AgI in the target.
ISSN:0168-583X
1872-9584
DOI:10.1016/j.nimb.2009.10.072