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 />
46<br />
41<br />
36<br />
31<br />
26<br />
21<br />
16<br />
11<br />
6<br />
1<br />
Draft, page 118<br />
8<br />
110<br />
122<br />
5<br />
94<br />
89<br />
88<br />
263<br />
74<br />
91<br />
72<br />
115<br />
257<br />
98<br />
55<br />
83<br />
31<br />
Lab<br />
code<br />
Rep.<br />
Value<br />
Performance evaluation <strong>of</strong> U-234 measurement results<br />
Rep.<br />
Unc.<br />
261<br />
251<br />
81<br />
95<br />
106<br />
82<br />
213<br />
<strong>IAEA</strong>-447 Moss-soil reference material<br />
Target Value: 21.8 ± 0.8 [Bq/kg]<br />
252<br />
80<br />
246<br />
Unc.<br />
[%]<br />
N<br />
35%<br />
70<br />
71<br />
134<br />
29<br />
143<br />
W<br />
16%<br />
150<br />
181<br />
133<br />
Rel.<br />
Bias<br />
A<br />
49%<br />
U-234 in moss-soil<br />
52<br />
12<br />
130<br />
3<br />
93<br />
77<br />
232<br />
78<br />
274<br />
272<br />
163<br />
216<br />
59<br />
259<br />
Laboratory code<br />
62<br />
264<br />
10<br />
260<br />
203<br />
141<br />
200<br />
177<br />
61<br />
191<br />
56<br />
41<br />
36<br />
64<br />
125<br />
86<br />
276<br />
299<br />
114<br />
63<br />
156<br />
175<br />
60<br />
190<br />
26<br />
236<br />
A1 A2 True P Prec<br />
171<br />
151<br />
207<br />
152<br />
39<br />
199<br />
100<br />
193<br />
Final<br />
Score<br />
3 19.1 1.3 6.81 -12.39 2.7 3.9 A 7.7 A A<br />
5 12.85 1.05 8.17 -41.06 9.0 3.4 N 9.0 A N<br />
8 7.4 0.3 4.05 -66.06 14.4 2.2 N 5.5 A N<br />
10 20.24 0.93 4.59 -7.16 1.6 3.2 A 5.9 A A<br />
12 17.5 0.6 3.43 -19.72 4.3 2.6 N 5.0 A W<br />
13 34.6 3.4 9.83 58.72 12.8 9.0 N 10.5 A N<br />
26 24.03 1.18 4.91 10.23 2.2 3.7 A 6.1 A A<br />
29 16 2 12.50 -26.61 5.8 5.6 N 13.0 A W<br />
31 13 2 15.38 -40.37 8.8 5.6 N 15.8 A N<br />
36 22 3 13.64 0.92 0.2 8.0 A 14.1 A A<br />
39 25 6 24.00 14.68 3.2 15.6 A 24.3 A A<br />
41 22 1 4.55 0.92 0.2 3.3 A 5.8 A A<br />
52 17.7 1.4 7.91 -18.81 4.1 4.2 A 8.7 A A<br />
225<br />
119<br />
13<br />
138
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