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AbstractAbstract
[en] Agfa-Gevaert radiographic films used in personnel dosimetry are evaluated at IPEN (Instituto de Pesquisas Energeticas e Nucleares-CNEN/SP) using a calibration curve obtained with gamma radiation exposure films of 60Co (1250 KeV). As the film presents a strong energy dependence, it is necessary to determine the energy which film was exposed to make a correct dose evaluation. Curves of energy dependence are obtained for two filtering conditions of dosemeter, and results are applied in dose determination of the two dosemeters, one personnel and other environmental. The correction factors are 3.7 and 2.5, respectively, for these two dosemeters. (M.C.K.)
[pt]
Filmes radiograficos da Agfa-Gevaert utilizados em dosimetria pessoal sao avaliados no IPEN (Instituto de Pesquisas Energeticas e Nucleares-CNEN/SP) utilizando-se uma curva de calibracao obtida com filmes expostas a radiacao gama do 60Co (1250 KeV). Como o filme apresenta uma forte dependencia energetica torna-se necessario determinar a energia a que o filme foi exposto para se proceder a uma correta avaliacao da dose. Curvas de dependencia energetica sao obtidas para duas condicoes filtrantes do dosimetro, e os resultados sao aplicados na determinacao de dose de dois dosimetros, um pessoal e outro ambiental. Os fatores de correcao sao 3.7 e 2.5, respectivamente, para esses dois dosimetros. (Autor)Original Title
Dependencia energetica da radiacao ionizante de filmes dosimetricos AGFA-GEVAERT
Source
1985; 14 p; 6. Brazilian Seminar of Non-Destructive Tests; Belo Horizonte, MG (Brazil); Sep 1985
Record Type
Miscellaneous
Literature Type
Conference
Report Number
Country of publication
BETA DECAY RADIOISOTOPES, BETA-MINUS DECAY RADIOISOTOPES, COBALT ISOTOPES, DOSEMETERS, DOSIMETRY, ELECTROMAGNETIC RADIATION, INTERMEDIATE MASS NUCLEI, IONIZING RADIATIONS, ISOMERIC TRANSITION ISOTOPES, ISOTOPES, MEASURING INSTRUMENTS, MINUTES LIVING RADIOISOTOPES, NUCLEI, ODD-ODD NUCLEI, RADIATIONS, RADIOISOTOPES, YEARS LIVING RADIOISOTOPES
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