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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Analysis of Gases in Nuclear Fuel Rod by Quadrupole Mass Spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.2, pp.94-98
Kim, Seung-Soo
Kang, Moon-Ja
Park, Soon-Dal
Park, Yong-Joon
Joe, Kih-Soo
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Abstract

An analysis method of components and isotopic compositions of low pressure gases from nuclear fuel rod using quadrupole mass spectrometer was studied. The calibration curves of each gas in pure and mixtures of He, <TEX>$N_2$</TEX>, <TEX>$O_2$</TEX>, Ar, Kr and Xe were obtained as a function of pressure and concentration, respectively. Effect of molecular leak, located between sample chamber and analyser chamber, on the sensitivites was also studied. The results suggested that samples could be analysed accurately at the same analytical condition as that of synthetic gas mixture. The difference of sensitivities among isotopes of Kr and Xe was not observed in the range of measured pressure.

keywords
quadrupole mass spectrometry, fission gas, fuel rod


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