Determination of zirconium in U−Zr−Al and Pu−Zr−Al alloys by isotope dilution thermal ionization mass spectrometry |
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| Authors: | K L Ramakumar M K Sanxena V A Raman V L Sant V D Kavimandan B P Datta H C Jain |
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| Institution: | 1. Fuel Chemistry Division, Bhabha Atomic Research Centre, Trombay, 400 085, Bombay, (India)
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| Abstract: | An isotope dilution thermal ionization mass-spectrometric (ID-TIMS) method is described for the determination of Zr in U?Zr?Al and Pu?Zr?Al alloy samples. Problems encountered in the chemical exchange between the zirconium isotopes in the spike and sample, particularly Pu?Zr?Al samples, are discussed and a method has been standardized to eliminate it. Separation of Zr from U, Pu and Al was achieved by employing ion exchange procedures. A precision of better than 1% is possible in the determination of Zr with the method reported here. |
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