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  • 1 Universidade de São Paulo Departamento de Física e Matemática da FFCLRP São Paulo, SP Brazil
  • | 2 Instituto Ribeirãopretano de Combate ao Câncer Ribeirão Preto, SP Brazil
  • | 3 Alabama A&M University Normal Alabama USA
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Abstract  

Dosimetric gel is used in several measurements due to its linearity, low cost, and possibility for 3D measurements. This work brings a new possibility to apply the Fricke Xylenol Gel recipe in the diagnostic measurements region. The Fricke Xilenol Gel (FXG) dosimeter is associated with the Fe(II) to Fe(III) oxidation, when irradiated, being the final ion concentration proportional to the absorbed dose. To achieve the scope, the former dosimeter was modified through the benzoic acid addition in the original recipe forming a new dosimeter, the Benzoic Xylenol Gel (BFXG). The results obtained with this new dosimeter demonstrated a higher sensibility for low absorbed dose values, bringing down the absorbed dose inferior limit from 0.1 to 0.006 Gy, that is more adequate for radiodiagnostic absorbed dose measurements. This result shows the possibly of BFXG dosimeter to be used for measurements in the radiodiagnostic region, as for tomography and mammography techniques.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)