Journal of Radioanalytical and Nuclear Chemistry

, Volume 314, Issue 2, pp 599–604 | Cite as

Activity determination of 88Y by means of 4πβ(LS)-γ coincidence counting

  • Justyna Marganiec-Gałązka
  • Ole J. Nähle
  • Karsten Kossert


The activity concentration of an 88Y solution was measured by means of a new custom-built 4πβ(LS)-γ coincidence counting system. Efficiency variation was carried out using chemical quenching and neutral density filters. A relative uncertainty of 0.57% was obtained for the activity concentration. Details of the measurements and of the analysis, as well as possibilities to reduce the uncertainty are discussed. Additional validation measurements were carried out by means of the well-established coincidence counting technique using a proportional counter (PC) in the β channel. The results of both coincidence methods were found to be in excellent agreement.


88Activity standardization Coincidence counting Complex β-γ decay 



We would like to thank S. Hennig for sample preparation.


  1. 1.
    Schötzig U and Schrader H (2000) “Halbwertszeiten und Photonen-Emissionswahrscheinlichkeiten von häufig verwendeten Radionukliden”, 5. Erweiterte und korrigierte Auflage, PTB-Ra-16/5, BraunschweigGoogle Scholar
  2. 2.
    Bé MM, Chisté V, Dulieu C, Browne E, Chechev V, Kuzmenko N, Helmer R, Nichols A, Schonfeld E, and Dersch R (2004) Table of radionuclides (Vol. 1—A = 1 to 150). Monographie BIPM-5 Vol. 1, Bureau International des Poids et Mesures, SèvresGoogle Scholar
  3. 3.
    Schönfeld E, Janssen H, Klein R, Hardy JC, Iacob V, Sanchez-Vega M, Griffin HC, Ludington MA (2002) Production of Co-60 sources for high-accuracy efficiency calibrations of gamma-ray spectrometers. Appl Radiat Isot 56:215–221CrossRefGoogle Scholar
  4. 4.
    Marganiec-Gałązka J, Nähle OJ, Kossert K (2017) Activity determination of 68Ge/68Ga by means of 4πβ(Č)-γ coincidence counting. Appl Radiat Isot. doi: 10.1016/j.apradiso.2017.06.027 Google Scholar
  5. 5.
    Nähle O, Zhao Q, Wanke C, Weierganz M, Kossert K (2014) A portable TDCR system. Appl Radiat Isot 87:249–253CrossRefGoogle Scholar
  6. 6.
    Schönfeld E, Janssen H (1994) Precise measurement of dead time. Nucl Instrum Meth A339:137–143CrossRefGoogle Scholar
  7. 7.
    Smith D (1978) Improved correction formulae for coincidence counting. Nucl Instrum Meth 152:505–519CrossRefGoogle Scholar
  8. 8.
    Funck E, Nylandstedt Larsen A (1983) The influence from low energy X-rays and Auger electrons on 4πβ-γ coincidence measurements of electron-capture-decaying nuclides. Int J Appl Radiat Isot 34:565–569CrossRefGoogle Scholar

Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2017

Authors and Affiliations

  1. 1.Physikalisch-Technische Bundesanstalt (PTB)BraunschweigGermany

Personalised recommendations