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Standardization of 106Ru/Rh by live-timed anticoincidence counting and gamma emission determination.
da Silva, C J; Rezende, E A; Poledna, R; Tauhata, L; Iwahara, A; Lopes, R T.
Affiliation
  • da Silva CJ; Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI/IRD/CNEN), Av. Salvador Allende, s/n, Recreio, CEP 22783-127 Rio de Janeiro, Brazil.
  • Rezende EA; Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI/IRD/CNEN), Av. Salvador Allende, s/n, Recreio, CEP 22783-127 Rio de Janeiro, Brazil; Programa de Engenharia Nuclear (PEN/COPPE, UFRJ), Caixa Postal 68590, CEP 21945-970 Rio de Janeiro, Brazil. Electronic address: eduardalexandre@gmai
  • Poledna R; Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI/IRD/CNEN), Av. Salvador Allende, s/n, Recreio, CEP 22783-127 Rio de Janeiro, Brazil.
  • Tauhata L; Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI/IRD/CNEN), Av. Salvador Allende, s/n, Recreio, CEP 22783-127 Rio de Janeiro, Brazil.
  • Iwahara A; Laboratório Nacional de Metrologia das Radiações Ionizantes (LNMRI/IRD/CNEN), Av. Salvador Allende, s/n, Recreio, CEP 22783-127 Rio de Janeiro, Brazil.
  • Lopes RT; Programa de Engenharia Nuclear (PEN/COPPE, UFRJ), Caixa Postal 68590, CEP 21945-970 Rio de Janeiro, Brazil.
Appl Radiat Isot ; 122: 37-40, 2017 Apr.
Article in En | MEDLINE | ID: mdl-28092780
The absolute activity standardization measurement system of radionuclide by live-timed anticoincidence counting was implemented at LNMRI in 2008 to reduce the effects of some correction factors on the determination of activity with coincidence counting technique used for decades in the laboratory, for example, the corrections of dead time and resolution. With the live-timed anticoincidence system, the variety of radionuclides that can be calibrated by LNMRI was increased in relation to the type of decay. The objective of this study was to standardize the 106Ru activity, determine gamma emission probabilities by spectrometric method for some energies, and estimate measurement uncertainties.
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Appl Radiat Isot Journal subject: MEDICINA NUCLEAR / SAUDE AMBIENTAL Year: 2017 Document type: Article Affiliation country: Brazil Country of publication: United kingdom
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Full text: 1 Collection: 01-internacional Database: MEDLINE Language: En Journal: Appl Radiat Isot Journal subject: MEDICINA NUCLEAR / SAUDE AMBIENTAL Year: 2017 Document type: Article Affiliation country: Brazil Country of publication: United kingdom