Determination of total contents of bromine, iodine and several trace elements in soil by polarizing energy-dispersive X-ray fluorescence spectrometry(Soil Chemistry and Soil Mineralogy)

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概要

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• A non-destructive analysis method for total bromine (Br) and iodine (I) contents in soil was established using polarizing energy-dispersive X-ray fluorescence (EDXRF) spectrometry. The matrix-corrected intensity of Br and I Kα X-rays from pressed pellets of soil powder samples was calibrated with their contents measured by inductively coupled plasma (ICP)-mass spectrometry after pyrohydrolysis preparation. The calibration curves for Br and I were successfully obtained in the concentration ranges 3.8-223mgkg^<-1> and 0.91-54mgkg^<-1> respectively. Repeated analyses of the same sample with polarizing EDXRF spectrometry within one day and after approximately 1.5 years showed good reproducibility of the measurement results. The lower limits of detection for Br and I were 0.14mgkg^<-1>and 0.34mgkg^<-1> respectively. The established analytical method for total Br and I contents in soil is non-destructive, simple and rapid, and is suitable for routine analysis. Trace elements such as rubidium (Rb), strontium (Sr), yttrium (Y), zirconium (Zr), niobium (Nb), cadmium (Cd), tin (Sn), antimony (Sb), caesium (Cs), barium (Ba), light rare earth elements and lead (Pb) were also measurable simultaneously under the identical operational conditions as those for Br and I measurements.

著者

• Takaku Yuichi

  Department Of Radioecology Institute For Environmental Sciences

• Takaku Yuichi

  Department Of Physics College Of Science And Technology Nihon University

• Tsukada Hirofumi

  Department of Radioecology, Institute for Environmental Sciences

• Tsukada Hirofumi

  Department Of Radioecology Institute For Environmental Sciences

• YAMASAKI Shin-ichi

  Graduate School of Environmental Studies, Tohoku University

• Tsuchiya Noriyoshi

  Graduate School Of Environmental Studies Tohoku University

• Yamasaki Shin-ichi

  Graduate School Of Environmental Studies Tohoku University

• Yamasaki Shin-ichi

  Graduate School Of Agricultural Science Tohoku University

• Takeda Akira

  Department Of Radioecology Institute For Environmental Sciences

• Takeda Akira

  Department Of Gastroenterology Osaka General Medical Center

• Hisamatsu Shun'ichi

  Department Of Radioecology Institute For Environmental Sciences

• Takeda Akira

  Department of Applied Chemistry, Faculty of Engineering, Okayama University

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