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Determination of tungsten in ores by energy dispersive X-ray fluorescence analysis

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Abstract

The possible determination of tungsten in low grade ores from Northern India, Rajasthan State has been explored by energy dispersive X-ray fluorescence analysis /EDXRF/ technique using radioisotope based excitation of W L X-rays and high resolution Si/Li/ detector system. Finely powdered ore has been diluted with optimal quantity of cellulose and converted into pellets to make it suitable for X-ray analysis after homogenization. The experiments have shown the minimum detectable limit of 33 ppm in diluted matrix. The results are compared with the spectrophotometric stannous chloride-thiocyanate method. EDXRF appears to be encouraging for routine and precise analysis of tungsten in low grade ores.

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Authors and Affiliations

  1. Raksha Prayogshala, Ratanada, 342 001, Jodhpur, India

    M. P. Chacharkar

  2. Chemical Division Geological Survey of India /WR/, Jaipur, India

    M. D. Sathe

  3. Nuclear Physics Division, Bhabha Atomic Research Centre, Trombay, Bombay, India

    Madan Lal

Authors
  1. M. P. Chacharkar
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  2. M. D. Sathe
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  3. Madan Lal
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Chacharkar, M.P., Sathe, M.D. & Lal, M. Determination of tungsten in ores by energy dispersive X-ray fluorescence analysis. Journal of Radioanalytical and Nuclear Chemistry Letters 119, 29–35 (1987). https://doi.org/10.1007/BF02167363

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  • DOI: https://doi.org/10.1007/BF02167363

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