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Iridium in the Bering Sea and Arctic Ocean studied by neutron activation analysis

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Abstract

Neutron activation analysis combined with pretreatment based on anion-exchange was applied to the determination of Ir in the Bering Sea and Arctic Ocean seawaters. Separation and enrichment of Ir from seawater by a simple anion-exchange resin Bio-Rad AG1×8 was carried out prior to neutron activation. Ir concentrations in the vertically distributed Bering Sea and Arctic Ocean seawater samples were in range of 0.85–3.58 pg/l and 1.26–1.97 pg/l, respectively. The reagent blanks of the procedures were 0.42–0.60 pg Ir. It was found that Ir in the Bering Sea and in the Arctic Ocean displayed different types of vertical profiles.

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Authors and Affiliations

  1. Laboratory of Nuclear Analytical Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 2732, Beijing, 100080, P.R. China

    Li Shihong, Chai Zhifang & Mao Xueying

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  1. Li Shihong
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  2. Chai Zhifang
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  3. Mao Xueying
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Li, S., Chai, Z. & Mao, X. Iridium in the Bering Sea and Arctic Ocean studied by neutron activation analysis. J Radioanal Nucl Chem 271, 125–128 (2007). https://doi.org/10.1007/s10967-007-0117-1

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  • DOI: https://doi.org/10.1007/s10967-007-0117-1

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