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DETERMINATION OF TRACE ELEMENTS IN RIVER WATER SAMPLE BY PIXE

Research Center for Carbon Recycling and Utilization, Tokyo Institute of Technology 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8552, Japan

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K. Kawasaki

Department of Physics, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8551, Japan

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T. Niizeki

Department of Environmental Information, Tokyo Kasei University, Tokyo 173-8602, Japan

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M. Saitou

Department of Environmental Information, Tokyo Kasei University, Tokyo 173-8602, Japan

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, and

T. Hattori

Research Laboratory for Nuclear Reactors, Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo 152-8550, Japan

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https://doi.org/10.1142/S0129083500000080Cited by:6 (Source: Crossref)

Abstract

Transition metal elements and others in river water sample supplied by The Japan Society for Analytical Chemistry (JSAC) were determined by PIXE using 2.5 MeV proton beam at the Tokyo Institute of Technology Van de Graaff Laboratory. The relative detection efficiency for each X-ray of element and its recovery were studied in two methods: "Drop and Dry" and "Concentration" methods. Ten elements (V, Cr, Mn, Fe, Ni, Cu, Zn, As, Se and Pb) were determined, being in good agreement with the values certified by JSAC except for Mn. Intensity of K_α X-ray of As and L_α, X-ray of Pb nearly close to each other could be successfully evaluated using isolated L_β X-ray of Pb. Mn was insufficiently recovered to give lower content than the certified value in the present conditions. V that is not listed in the certificate was found to show good agreement with that reported previously. Concentration method using sodium dibenzyldithiocarbamate only could be successfully employed for collecting these elements.

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References

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