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Journal of Radioanalytical and Nuclear Chemistry

, Volume 107, Issue 4, pp 239–246 | Cite as

Mössbauer spectroscopic studies of tungsten ores

  • A. N. Nigam
  • R. P. Tripathi
  • M. L. Jangid
  • M. P. Chacharkar
  • Madan Lal
Article
  • 34 Downloads

Abstract

Tungsten ores from Degana, Rajashthan State, India are studied using Mössbauer spectroscopy. The low grade ore exhibits two types of mineral assemblages as per chemical states of iron. The relation between ferrous/ferric ratio and tungsten concentration also supports the existence of two types of mineral assemblages. The Mössbauer spectroscopy of concentrate ore samples has shown the absence of iron. The energy dispersive X-ray fluorescence spectroscopy on the contrary has evidenced the presence of iron in concentrate ore samples but at lower concentration on comparison with low grade ores. These differences in behaviour in the above spectroscopic studies may be additionally due to higher attenuation of γ-radiations and higher atomic weight material in the ore concentrates.

Keywords

Iron Attenuation Tungsten Chemical State Fluorescence Spectroscopy 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Akadémiai Kiadó 1986

Authors and Affiliations

  • A. N. Nigam
    • 1
  • R. P. Tripathi
    • 1
  • M. L. Jangid
    • 1
  • M. P. Chacharkar
    • 2
  • Madan Lal
    • 3
  1. 1.Department of PhysicsUniversity of JodhpurJodhpurIndia
  2. 2.Raksha PrayogshalaJodhpurIndia
  3. 3.Nuclear Physics DivisionBhabha Atomic Research CentreBombayIndia

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