Radionuclides

IAEA-385 Sediment (Bq∙kg⁻¹)

Cert value

GE08

GE09

GE12

Th-234 (63.3 keV)

33.0 ± 2.4

16.8 ± 13.4

33.3 ± 16.2

31.5 ± 7.6

U-238 (Pa-234m (1001 keV)

29.4 ± 1.2

Not Detected

36.3 ± 24.3

28.0 ± 11.3

Pb-214

22.8 ± 0.6

23.0 ± 0.7

23.4 ± 0.8

23.5 ± 0.8

Bi-214

22.8 ± 0.6

21.6 ± 0.9

22.4 ± 0.8

22.6 ± 0.8

Pb-210 (46.54 keV)

28.5 ± 1.9

ND*

ND*

29.6 ± 3.5

Th-232

33.8 ± 0.9

33.7 ± 2.0

33.6 ± 2.1

33.5 ± 1.8

Ra-228

33.6 ± 2.0

33.2 ± 1.2

33.8 ± 1.9

33.5 ± 1.0

U-235 (143.76 keV; 163.33 keV; 205.31 keV)

1.36 ± 0.11

2.0 ± 1.8

1.85 ± 1.3

2.03 ± 0.6

K-40 (1461 keV)

611 ± 27

585 ± 23

604 ± 24

586 ± 29

Cs-137 (661.7 keV)

19.8 ± 0.6

15.3 ± 0.5

15.1 ± 0.5

15.8 ± 0.9

Am-241 (59.5 keV)

3.81 ± 0.17

3.43 ± 0.6

3.44 ± 1.0

3.42 ± 0.34