Inductively coupled plasma optical emission spectroscopic determination of trace rare earth elements in highly refractory gadolinium zirconate (Gd₂Zr₂O₇).

ABSTRACT: Gadolinium zirconate (Gd₂Zr₂O₇) belongs to the category of burnable absorber (BA) material in nuclear reactors. The high neutron-absorption cross sections of Gd isotopes (¹⁵⁵Gd and ¹⁵⁷Gd) implement negative reactivity in the reactor core to control the excess reactivity of the fuel at the beginning of the fission cycle. The presence of other rare earth elements, which can come from the starting material and/or may be taken up during the synthesis steps, will affect the negative reactivity calculation. Thus the chemical quality assurance of Gd₂Zr₂O₇ concerning the other trace rare earth impurities is indispensable. Here in this work, we decided to quantify thirteen trace rare earth elements in Gd_2</

SUBMITTER: Saha A 

PROVIDER: S-EPMC11447447 | biostudies-literature | 2024 Oct

REPOSITORIES: biostudies-literature