Chemical State Analysis of Al Contained in Iron and Steel Slag Using Chemical Shift of X-Ray Fluorescence Spectra

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  • YAMAMOTO Tomohiro
    Department of Materials Science and Engineering, Kyoto University
  • MIYAUCHI Hiroya
    Department of Materials Science and Engineering, Kyoto University
  • YAMAMOTO Takashi
    Department of Materials Science and Engineering, Kyoto University
  • KAWAI Jun
    Department of Materials Science and Engineering, Kyoto University

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Other Title
  • 蛍光X線スペクトルのケミカルシフトを用いた鉄鋼スラグ中Alの化学状態分析
  • ケイコウ Xセン スペクトル ノ ケミカルシフト オ モチイタ テッコウ スラグ チュウ Al ノ カガク ジョウタイ ブンセキ

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<p>In order to analyze chemical state of aluminum in iron and steel slag, aluminum contained in slag is analyzed by X-ray spectrometry after the measurement of correlation between chemical shift of Al Kα lines and effective charges. We use blast furnace slag and steelmaking slag including approximately from 14 to 31 mass percent of aluminum as slag samples. Aluminum compounds, whose coordination numbers are known, are investigated with correlation between coordination number and chemical shift by X-ray fluorescence spectrometry before the measurement of slag samples. As a result of this study it can be concluded that aluminum contained in each of slag samples are 4-coordinated.</p>

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