Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA

[ B q /k g ]
60
50
40
30
20
10
0
72 8 2 21 2
18 21 34 51 21 71 2
3 35 9 1
52 7 2 26 1
59 26 2 21 2 21 2 1
3 1 16 2 27 1
2 29 2 21 26 21 2
49 1 17 1
94 82 1
27 12 82 1
2 21 71 2
21 21 2 1
18 6 1
2 1 15 1
21 85 2
1 12 1 5 59 8
84 6 63 4
2 7 9 90
29
0 01
32 67
94
72 7 73
1 14
31
6 2 23 51 46 51 7
1 12 79 8
01
67
56
0
26 34 16 83 45
73 2
73 96 96 52
67 06
9
34
64
15 86 5 58 09 29 7 8
80 91 23
5
52 42
3 6
61 27 48 9 91 6 9
35 06 40
9
23
02
1
2
04
2
6
31
2
7
43
0
15
81
6
1 5
57
4
94
53
7
4
37
47
40
58
47
3
5
45
3
6
7
0
8
1 8
89
69
58
6
62
09
7
1
97
2
05
20
90
81
41
4
9
Lab
code
Rep.
Value
Performance evaluation of Th-234 measurement results
Rep.
Unc.
IAEA-447 Moss-soil reference material
Target Value: 25.5 ± 3.0 [Bq/kg]
Unc.
[%]
N
32%
W
32%
Rel.
Bias
Th-234 in moss-soil
A
50%
Laboratory code
A1 A2 True P Prec
2 1 2
21 47 21 2
57 1 2
21 93 2 28 50 7 76 71 68
31 7
12
84 10 71 78
96 3
89
32
09
78
5 9
39
43
5
0
7 12.31 0.4 3.25 -51.73 13.2 7.8 N 12.2 A N
10 19.19 3.26 16.99 -24.75 6.3 11.4 A 20.7 A A
11 31.4 6.9 21.97 23.14 5.9 19.4 A 24.9 A A
12 16 5 31.25 -37.25 9.5 15.0 A 33.4 N N
13 33.79 5.83 17.25 32.51 8.3 16.9 A 20.9 A A
16 23.5 1.2 5.11 -7.84 2.0 8.3 A 12.8 A A
17 35 10 28.57 37.25 9.5 26.9 A 30.9 N N
18 23.4 1.5 6.41 -8.24 2.1 8.7 A 13.4 A A
19 23.1 2.3 9.96 -9.41 2.4 9.8 A 15.4 A A
20 24.5 1.4 5.71 -3.92 1.0 8.5 A 13.1 A A
22 32.2 2.7 8.39 26.27 6.7 10.4 A 14.4 A A
Final
Score