Neutron induced prompt gamma-ray and instrumental neutron activation analyses of urban estuarine sediments |
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| Authors: | A. Kuno M. Matsuo B. Takano C. Yonezawa H. Matsue H. Sawahata |
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| Affiliation: | (1) Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, 153 Meguro, Tokyo, Japan;(2) Japan Atomic Energy Research Institute, Tokyo, Japan;(3) Research Centre for Nuclear Science and Technology, The University of Tokyo, Japan |
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| Abstract: | ![]()
Neutron induced prompt  -ray analysis (PGA) and instrumental neutron activation analysis (INAA) have been applied to the sediments collected from the Tama River estuary in Tokyo, Japan. The vertical distribution of 24 elements in the sediments was determined and the factors goveming the vertical profiles have been discussed. Major elements are distributed depending on weathering that proceeds much with increasing depth. Cadmium is highly concentrated in the deeper layer where sulphate ion is reduced to hydrogen sulphide. The distribution of several rare earth elements is also presented |
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