Table 1 ICP-MS analysis results of pristine Ni(OH)₂ and high-energy X-ray irradiated f-Ni(OH)₂ samples.

From: High-energy X-ray irradiation-induced functionalization of Ni(OH)₂ for enhanced supercapacitor electrodes

Isotopes

Ni(OH)2 (ppb)

%

f-Ni(OH)2 (ppb)

%

Ni-58

196,323.18

25.34

185,211.66

25.30

Ni-59

10.38

0.001

1.69

Ni-60

191,737.22

24.75

180,843.97

24.70

Ni-61

186,994.17

24.13

177,146.66

24.19

Ni-62

190,671.81

24.61

180,461.58

24.65

Ni-63

24.96

0.003

2.90

Ni-64

8,945.40

1.17

8,433.27

1.15