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Neutron activation analysis of lithium niobate

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Abstract

A radiochemical neutron activation analysis procedure for the determination of Ta, W, Ir, Pt, Au, Cu, Cr, Co and Zn in lithium niobate has been developed. The method involves a one-step removal of radioactive nuclides of Nb, Ta and W representing the dominating radioactivity of the irradiated sample. After irradiation, the sample is fused with inactive carriers and Na2O2 in a nickel crucible. The fused cake is dissolved in HCl−H2O2 and Nb, Ta and W are homogeneously precipitated. The impurities are separated by combinations of precipitation and ion-exchange separations for precise γ-ray measurements with an overall chemical yield of 70% to 90%. The results are discussed.

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Authors and Affiliations

  1. Analytical Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400 085, Bombay, India

    R. Verma, J. Arunachalam & S. Gangadharan

Authors
  1. R. Verma
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  2. J. Arunachalam
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  3. S. Gangadharan
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Verma, R., Arunachalam, J. & Gangadharan, S. Neutron activation analysis of lithium niobate. Journal of Radioanalytical and Nuclear Chemistry Letters 164, 327–335 (1992). https://doi.org/10.1007/BF02164956

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  • DOI: https://doi.org/10.1007/BF02164956

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