Determination of trace iodine in rock samples by epiterhmal neutron activation analysis involving rapid radiochemical separation

Mitsuru Ebihara, N. Saito, H. Akaiwa

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Applying rapid radiochemical separation of iodine coupled with epithermal neutron activation, we reliably determined trace amounts /6-95 ng/ of iodine in rock samples such as sedimentary rocks and chondritic meteorites. Our data on meteorites are in good agreement with literature values, but for sedimentary rocks the present data were systematically lower than the literature values. Based on the data from duplicate analyses of some sedimentary rocks and the results of tracer experiments employed parallel to the rock analyses, we concluded that the analytical results obtained in this work for sedimentary rocks were more reliable than the literature values.

Original languageEnglish
Pages (from-to)241-255
Number of pages15
JournalJournal of Radioanalytical and Nuclear Chemistry Letters
Volume108
Issue number4
DOIs
Publication statusPublished - 1987 Feb 1
Externally publishedYes

Fingerprint

Meteoroids
Neutron Activation Analysis
Sedimentary rocks
Neutron activation analysis
Iodine
Rocks
Meteorites
Neutrons
Chemical activation
Experiments

ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

Cite this

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AU - Saito, N.

AU - Akaiwa, H.

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AB - Applying rapid radiochemical separation of iodine coupled with epithermal neutron activation, we reliably determined trace amounts /6-95 ng/ of iodine in rock samples such as sedimentary rocks and chondritic meteorites. Our data on meteorites are in good agreement with literature values, but for sedimentary rocks the present data were systematically lower than the literature values. Based on the data from duplicate analyses of some sedimentary rocks and the results of tracer experiments employed parallel to the rock analyses, we concluded that the analytical results obtained in this work for sedimentary rocks were more reliable than the literature values.

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