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Determination of elemental impurities in polymer materials of electrical cables of safety systems of nuclear power plants by neutron activation analysis
Kučera, Jan ; Kubešová, Marie ; Bartoníček, B.
Instrumental neutron activation analysis (INAA) was employed for elemental characterization of individual components of electrical cables currently used in safety systems of nuclear power plants (NPP). The analysis yielded information about the content of 35 elements. It has been found that the cables do not satisfy requirements of qualification set for the new generation of NPP by „The European Utility Requirements for LWR Nuclear Power Plants”, because content of several elements exceeded the maximal impurity levels. INAA proved to be a method of choice for elemental characterization of polymer materials of electrical cables as part of their qualification for use in NPP.

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