Sample code

²³⁸U

(Bq∙Kg⁻¹)

²³²Th

(Bq∙Kg⁻¹)

⁴⁰K

(Bq∙Kg⁻¹)

Sample

code

²³⁸U

(Bq∙Kg⁻¹)

²³²Th

(Bq∙Kg⁻¹)

⁴⁰K

(Bq∙Kg⁻¹)

JMF1

8.11

10.66

168.95

WYF1

8.74

40.44

19.09

JYF2

20.16

16.3

250.64

WYF2

12.08

95.32

70.63

JMF3

12.06

12.35

110.46

WYF3

17.4

26.88

198.27

JBF4

7.04

15.67

450.52

WMF4

8.6

50.66

85.68

JYF5

10.2

8.35

550.3

WMF5

8.2

35.45

40.2

Average

11.51 ± 2.33

12.67 ± 1.50

306.17 ± 83.86

Average

11.00 ± 1.74

49.75 ± 12.02

82.77 ± 31.12