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Chemical State Analyses of Sulfur, Chromium and Tin by High Resolution X-Ray Spectrometry

  • Y. Gohshi (a1), O. Hirao (a1) and I. Suzuki (a1)

Abstract

Chemical shifts of SKα, CrKβ1,3 and SnLβ2 were precisely measured with a two-crystal X-ray spectrometer (Toshiba AFV 701). Sulfur in the coke for iron smelting takes two oxidation states, i.e., S2− and S6+. Quantitative analyses of S2− and S6+ were performed by precisely measuring the profile of SKα and fitting the standard S2− of S6+ curve to the observed SKα profile with the non-linear least square method. Chemical shifts of CrKβ1,3 and SnLβ2 were utilized for the determinations of Cr6+, Cr3+, Sn4+ and Sn2+ in electro-plating solutions. Intensity ratio of IA to Ig was measured, where B means the point which showed an intensity independent of oxidation states. A means the point which showed the most dependent. Linear relations were found between intensity ratio IA/IB and Cr3+/Cr or Sn2+/Sn.

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1. Lindth, A. E. and Lundquits, O., “Die Structure der Kβ1-Line des Schwefels,” Ark. Hat. Astr. Fysi. 18, 311 (1924)
2. Gohshi, Y., Hukao, Y. and Hori, K., “A Wide-range, Single-axis, Vacuum Two-crystal Spectrometer for Fluorescent X-ray Analysis,” Spectrochim. Acta, 27B, 135142 (1972).
3. Connolly, J. W. D. and Haughton, D. R., “The Valence of Sulfur in Glass of Basaltic Composition Formed under Conditions of Low Oxidation Potential,” Amer. Mineral. 57, 15151517 (1972)
4. Gohshi, Y. and Yanagase, K., “Chemical State Analysis of Sulfur in Coal by High Resolution Fluorescent X-ray Spectrometry,” J. Fuel Soc. Japan, 52, 926931 (1973)
5. Gohshi, Y. and Ohtsuka, A., “The Application of Chemical Effects in High Resolution X-ray Spectrometry,” Spectrochim. Acta, 28B, 179188 (1973)
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Powder Diffraction
  • ISSN: -
  • EISSN: 2631-3626
  • URL: /core/journals/powder-diffraction
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