Reference material

B3Z9P [this study]

B6P

[this study]

NIST

[this study]

Cpy-RM [19]

NIST [19]

Intensity (cps)

57Fe

261 ± 11

80 ± 12

495 ± 5

1,165,769 ± 226,022

1330 ± 144

63Cu

15,717,971 ± 319,406

15,514,774 ± 1,351,712

8185 ± 45

261,971 ± 3,634,596

28,356 ± 3563

66Zn

785,289 ± 31,516

15,408 ± 2230

4757 ± 74

NC

NC

118Sn

497,993 ± 15,947

1,029,682 ± 88,635

8180 ± 49

NC

28,389 ± 864

208Pb

1129 ± 42

3160 ± 86

18,477 ± 101

NC

60,541 ± 4953

Sensitivity

(cps per ppm)

57Fe

0.87 ± 0.04

0.8 ± 0.1

1.1 ± 0.002

4 ± 1

2.9 ± 0.3

63Cu

17.6 ± 0.4

17 ± 0.4

19 ± 0.1

75 ± 10

66 ± 8

66Zn

9.8 ± 0.4

9.5 ± 1.3

10.4 ± 0.2

NC

NC

118Sn

19.8 ± 0.6

17 ± 1.5

21 ± 0.1

NC

72 ± 2

208Pb

28.9 ± 1.1

47 ± 1.3

45 ± 0.2

NC

146 ± 12