A preliminary intercomparison of gamma-ray spectrometry on building materials

被引：4
|
作者：
Anagnostakis, MJ [1 ]
Bolzan, C
De Felice, P
Fazio, A
Grisanti, G
Risica, S
Turtiainen, T
van der Graaf, E
机构：
[1] Natl Tech Univ Athens, Nucl Engn Sect, Sch Mech Engn, Athens 15780, Greece
[2] Natl Inst Hlth ISS, Phys Lab, I-00161 Rome, Italy
[3] ENEA, Natl Metrol Inst Ionising Radiat, I-00100 Rome, Italy
[4] Radiat & Nucl Author STUK, Nat Radiat Lab, FIN-00881 Helsinki, Finland
[5] Kernfys Versneller Inst, Nucl Geophys Div, NL-9747 AA Groningen, Netherlands
来源：
APPLIED RADIATION AND ISOTOPES | 2004年 / 61卷 / 2-3期
关键词：
natural radionuclides; NORM; gamma-ray spectrometry; intercomparison; building materials; fly ash; sand; tuff;
D O I：
10.1016/j.apradiso.2004.03.011
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
A preliminary intercomparison on gamma-ray spectrometry determination of natural radionuclides in building materials was carried out in 1999-2002. Samples measured were fly ash, sand and tuff. Laboratories used different experimental equipment and procedures. Corrections for blank, spectral interference, self-absorption and coincidence summing effects were applied in most cases. The agreement between results was within 15-20%, most often within the reported uncertainties. Several general conclusions can be drawn regarding procedures correctness, uncertainty budget, secular equilibrium condition, and radionuclide representativeness in each natural series. Further studies are needed to draw more specific conclusions. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码：381 / 388
页数：8
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