Element

Daughter nuclide

E_γ, keV

γ-abn, %

T_1/2, days

C ± dC, %

As

⁷⁶As

559.1

45

1.093

(84.5 ± 6.3) × 10⁻⁶

Ce

¹⁴¹Ce

145.44

48.29

32.5

(74.0 ± 2.1) × 10⁻⁶

Co

⁶⁰Co

1173.23

99.85

1925.23

(110 ± 5) × 10⁻⁸

Cr

⁵¹Cr

320.08

9.92

27.70

(599 ± 2) × 10⁻⁶

Cs

¹³⁴Cs

795.86

85.46

754.31

(56.1 ± 6.5) × 10⁻⁸

Eu

¹⁵²Eu

1408.01

21.07

4944.39

(27.1 ± 1.8) × 10⁻⁸

Fe

⁵⁹Fe

1291.59

43.2

44.49

(11.3 ± 2.1) × 10⁻⁵

La

¹⁴⁰La

1596.21

95.4

1.68

(144 ± 3) × 10⁻⁷

Sc

⁴⁶Sc

1120.54

99.99

83.79

(30.9 ± 2.4) × 10⁻⁹

Tb

¹⁶⁰Tb

1177.95

14.86

72.3

(95.3 ± 2.0) × 10⁻⁷

Zn

⁶⁵Zn

1115.54

50.6

244.06

(50.8 ± 2.2) × 10⁻⁶

Zr

⁹⁵Zr

756.73

54.5

64.03

(185 ± 2) × 10⁻⁵

Pr

¹⁴²Pr

1575.6

3.68

0.80

(18.5 ± 1.9) × 10⁻⁴

Gd

¹⁵³Gd

97.43

29

240.4

1.19 ± 0.23

Na

²⁴Na

1368.63

100

0.61

(93.8 ± 7.5) × 10⁻⁶