The [U(IV)]/[U(III)] ratio and metal impurities (wt.%) content in the fuel 71.2LiF-26.8BeF2-2UF4 salt mixture before and after corrosion tests.
|After melting and 4 h exposure at T = 700 °C before beryllium treatment||1.7 × 105||0.046||0.018||0.054||0.012||–|
|After double beryllium treatment and 2 h exposure at T = 700 °C||200||0.002||0.021||0.011||0.015||–|
|After 256 h specimens exposure in the corrosion test 1 at T = 700–720 °C and adding 5 g of Te metal for the first time||35||0.006||0.0026||0.019||0.0039||0.0029|
|After 248 h specimens exposure in corrosion test 2 at T = 760–800 °C and adding 1.63 g of NiF2 and 5 g of Te metal for the second time||90||0.029||0.0043||0.0051||0.006||0.02|
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