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

页码：240 / 243

页数：4

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