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A simple method for self-attenuation correction in 210Pb activity measurement in a well-type HPGe detector

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Abstract

A simple method for 210Pb determination in a well-type detector for matrix with apparent densities ranging from ρ = 0.430 g cm−3 to ρ = 2.037 g cm−3 is presented. Ten spiked samples of 210Pb were prepared to obtain the detector efficiency as a quadratic function of the matrix density. Then this equation was validated and successfully used to measure 210Pb concentration activity in other samples. The equation proposed in this work is specific for each germanium detector; however it is proposed an extrapolation of the method to other well-type germanium detector by preparing a spiked sample and determining the efficiency for 210Pb.

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Authors and Affiliations

  1. Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas (CIEMAT), Avda Complutense 40, 28040, Madrid, Spain

    Eva Rodríguez Vegas & Jose Antonio Suarez-Navarro

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  1. Eva Rodríguez Vegas
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  2. Jose Antonio Suarez-Navarro
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Correspondence to Jose Antonio Suarez-Navarro.

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Vegas, E.R., Suarez-Navarro, J.A. A simple method for self-attenuation correction in 210Pb activity measurement in a well-type HPGe detector. J Radioanal Nucl Chem 312, 199–204 (2017). https://doi.org/10.1007/s10967-017-5223-0

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  • DOI: https://doi.org/10.1007/s10967-017-5223-0

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