Dosimetric evaluation of sodium carbonate (Na2CO3) by electronic paramagnetic resonance

被引：6
|
作者：
Urena-Nunez, F. [1 ]
Davila Ballesteros, M. R. [1 ]
机构：
[1] Inst Nacl Invest Nucl, Mexico City 11801, DF, Mexico
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2009年 / 164卷 / 04期
关键词：
sodium carbonate; gamma-radiation; EPR; dosimetry; ALANINE; LI2CO3;
D O I：
10.1080/10420150802271498
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
This work presents the possibility to use the electron paramagnetic resonance (EPR) signal of gamma-irradiated sodium carbonate for dosimetric purposes. The dosimeters were irradiated in a 60Co source. The process induced in sodium carbonate by gamma rays results in the formation of carboxil radical anions [image omitted]. This way, the method is based on the evaluation of the EPR signal of these radical anions in the material. The aspects studied were peak-to-peak signal amplitude as a function of received dose, signal fading, signal repeatability, sample homogeneity, zero response and environmental effects. It has been concluded that sodium carbonate can be used as a sensitive material to gamma radiation.
引用
收藏
页码：240 / 243
页数：4
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