Table 2 Precision and accuracy of the INAA measurements

As

104 ± 4 (3.8)

98 ± 10

−1,5

-

-

Ba

1350 ± 330

1865 ± 19

1880 ± 23

1,6

Ce

69 ± 7

114 ± 8

6,4

147.7 ± 9.8

160 ± 10

1,3

Co

12.4 ± 0.7 (5.6)

16 ± 2

5,1

4.35 ± 0.29

4.6 ± 0.7

0,9

Cr

64 ± 14 (21.9)

64 ± 10

0,0

9.81 ± 0.51

-

Cs

2.8 ± 0.1 (3.6)

3 ± 1

2,0

1.55 ± 0.28

1.34 ± 0.16

−0,8

Eu

1.4 ± 0.2 (14.3)

1.6 ± 0.1

1,0

1.41 ± 0.05

1.40 ± 0.12

−0,2

Fe (%)

3.02 ± 0.02 (0.7)

2.97 ± 0.43

−2,5

-

-

Hf

8.0 ± 0.5

8.27 ± 0.61

7.9 ± 0.7

−0,6

K (%)

4.2 ± 0.1 (2.4)

4.3 ± 0.6

1,0

-

-

La

65 ± 12 (18.5)

64 ± 5

−0,1

85.2 ± 5.3

89 ± 8

1,2

Na

5080 ± 42 (0.8)

5300 ± 300

5,2

-

-

Nd

-

-

57.3 ± 2.8

55 ± 6

−0,8

Ni

40.2 ± 1.0 (2.5)

38 ± 4

−2,2

-

-

Rb

166 ± 7 (4.2)

174 ± 7

1,1

165 ± 7

170 ± 3

0,7

Sb

5.2 ± 0.2 (3.8)

4.4 ± 0.8

−4,0

-

-

Sc

8.3 ± 0.4

3.7 ± 0.3

3.5 ± 0.4

−0,7

Se

8.2 ± 0.2 (2.4)

6.0 ± 0.5

−11,0

-

(0.07)

Sm

6.3 ± 0.1 (1.6)

6 ± 1

−3,0

7.14 ± 0.24

7.2 ± 0.7

0,3

Sr

220 ± 30

503 ± 32

478 ± 2

−0,8

Ta

-

0.77 ± 0.07

0.974 ± 0.091

(0.5)

−5,2

Th

21.1 ± 5.9

22 ± 2

0,2

25.0 ± 1.4

25 ± 2

0,0

U

6.13 ± 2.82

6.42 ± 0.25

0,1

-

-

Yb

1.9 ± 0.2 (10.5)

1.8 ± 0.1

−0,5

0.935 ± 0.126

0.8 ± 0.2

−1,1

Zn

60 ± 9 (15.0)

64 ± 10

0,4

95 ± 11

86 ± 8

−0,8

Zr

200 ± 40

−1,5

289 ± 22

309 ± 35

0,9