Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA
Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA
Worldwide Open Proficiency Test: Determination of ... - Nucleus - IAEA
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[Bq/kg]<br />
45<br />
41<br />
37<br />
33<br />
29<br />
25<br />
21<br />
17<br />
13<br />
9<br />
5<br />
1<br />
110<br />
Lab<br />
code<br />
8<br />
89<br />
83<br />
55<br />
60<br />
98<br />
122<br />
263<br />
72<br />
91<br />
257<br />
Rep.<br />
Value<br />
Performance evaluation <strong>of</strong> U-238 measurement results<br />
5<br />
31<br />
74<br />
115<br />
88<br />
94<br />
80<br />
93<br />
Rep.<br />
Unc.<br />
<strong>IAEA</strong>-447 Moss-soil reference material<br />
95<br />
82<br />
29<br />
150<br />
Target Value: 22.2 ± 0.8 [Bq/kg]<br />
246<br />
261<br />
81<br />
213<br />
Unc.<br />
[%]<br />
181<br />
106<br />
N<br />
44%<br />
251<br />
143<br />
71<br />
134<br />
W<br />
7%<br />
A<br />
49%<br />
U-238 in moss-soil<br />
203<br />
133<br />
252<br />
Rel.<br />
Bias<br />
70<br />
191<br />
130<br />
12<br />
78<br />
232<br />
3<br />
62<br />
260<br />
52<br />
274<br />
77<br />
190<br />
59<br />
Laboratory code<br />
151<br />
259<br />
200<br />
10<br />
152<br />
272<br />
265<br />
216<br />
225<br />
119<br />
13<br />
267<br />
100<br />
171<br />
193<br />
26<br />
236<br />
156<br />
207<br />
199<br />
120<br />
175<br />
299<br />
64<br />
276<br />
114<br />
41<br />
141<br />
61<br />
56<br />
39<br />
264<br />
63<br />
36<br />
32<br />
163<br />
177<br />
86<br />
125<br />
A1 A2 True P Prec<br />
Final<br />
Score<br />
3 20.2 0.9 4.46 -9.01 2.0 3.1 A 5.7 A A<br />
5 12.09 1 8.27 -45.54 10.1 3.3 N 9.0 A N<br />
8 9.5 0.4 4.21 -57.21 12.7 2.3 N 5.5 A N<br />
10 21.06 0.96 4.56 -5.14 1.1 3.2 A 5.8 A A<br />
12 18.9 0.6 3.17 -14.86 3.3 2.6 N 4.8 A W<br />
13 37 3.6 9.73 66.67 14.8 9.5 N 10.4 A N<br />
26 25.25 1.23 4.87 13.74 3.1 3.8 A 6.1 A A<br />
29 13 2 15.38 -41.44 9.2 5.6 N 15.8 A N<br />
31 11 2 18.18 -50.45 11.2 5.6 N 18.5 A N<br />
32 21.9 0.7 3.20 -1.35 0.3 2.7 A 4.8 A A<br />
36 22 3 13.64 -0.90 0.2 8.0 A 14.1 A A<br />
39 22.4 0.8 3.57 0.90 0.2 2.9 A 5.1 A A<br />
41 23 1 4.35 3.60 0.8 3.3 A 5.6 A A
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