Multielement compositions of marine phytoplankton samples from coastal areas of japan by instrumental neutron activation analysis |
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| Authors: | Masuzawa Toshiyuki Suzuki Teruyuki Seki Kayoko Kosugi Tsuyoshi Hibi Yuriko Yamamoto Mineko Takada Jitsuya Matsushita Rokuji Yanada Mitsuru |
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| Affiliation: | (1) Institute for Hydrospheric-Atmospheric Sciences, Nagoya University, 464-8601 Nagoya, Japan;(2) Research Reactor Institute, Kyoto University, Kumatori-cho, 590-0494 Osaka, Japan;(3) Faculty of Fisheries, Hokkaido University, 041-0821 Hakodate, Japan |
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| Abstract: | Phytoplankton samples were collected during spring bloom of diatoms from three coastal areas of Japan using a NORPAC P-25 net (25-Μm opening) with a NGG52 prenet (335-Μm opening), and 25 major and trace elements have been analyzed by INAA. Concentration ranges of analyzed phytoplankton samples are much wider than the concentration ranges compiled by Bowen (1979) except for As, and data of marine phytoplankton samples for Br, Sb, Hf, Sc, La, Ce, Sm, and Eu were not included in the compilation. The 25 analyzed elements have been categorized into three groups: elements showing positive correlation with Br, positive correlation with Al, and no positive correlation with Br or Al. The marine phytoplankton samples have been plotted on a Masuzawa-Koyama-Terazaki (MKT) plot and it proved that the MKT plot is applicable to marine phytoplankton samples. |
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| Keywords: | Marine phytoplankton instrumental neutron activation analysis multielement composition trace metals MKT plot |
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