Table 4 Isotope abundance and half-life of loaded LLFPs nuclides.

From: Transmutation of MAs and LLFPs with a lead-cooled fast reactor

Elements

Isotope

Abundance (wt%)

Half-life

Se

76Se

0.01

Stable

77Se

1.69

Stable

78Se

4.76

Stable

79Se

10.31

3.25 × 105 a

80Se

22.27

Stable

82Se

60.96

Stable

Zr

90Zr

0.22

Stable

91Zr

11.34

Stable

92Zr

15.95

Stable

93Zr

19.79

1.53 × 106 a

94Zr

22.32

Stable

95Zr

3.86

64.032 d

96Zr

26.52

2.0 × 1019 a

Tc

99Tc

100.00

2.11 × 105 a

Pd

104Pd

1.46

Stable

105Pd

39.87

Stable

106Pd

15.31

Stable

107Pd

24.61

6.5 × 106 a

108Pd

18.73

Stable

109Pd

0.02

13.701 h

I

127I

23.69

Stable

129I

76.31

1.57 × 107 a

Cs

133Cs

31.90

Stable

134Cs

0.66

2.065 a

135Cs

35.80

2.30 × 106 a

136Cs

0.03

13.16 d

137Cs

31.61

30.08 a

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