Determination of &lt;sup&gt;210&lt;/sup&gt;Pb and &lt;sup&gt;226&lt;/sup&gt;Ra/&lt;sup&gt;228&lt;/sup&gt;Ra in continental water using HIDEX 300SL LS-spectrometer with TDCR efficiency tracing and optimized α⧸β-discrimination

Eikenberg, J.; Beer, H.; Jäggi, M.

doi:10.1016/j.apradiso.2014.02.021

Determination of ²¹⁰Pb and ²²⁶Ra/²²⁸Ra in continental water using HIDEX 300SL LS-spectrometer with TDCR efficiency tracing and optimized α⧸β-discrimination

Citation

Eikenberg, J., Beer, H., & Jäggi, M. (2014). Determination of ²¹⁰Pb and ²²⁶Ra/²²⁸Ra in continental water using HIDEX 300SL LS-spectrometer with TDCR efficiency tracing and optimized α⧸β-discrimination. Applied Radiation and Isotopes, 93, 64-69. https://doi.org/10.1016/j.apradiso.2014.02.021

Persistent URL https://www.dora.lib4ri.ch/psi/islandora/object/psi:48912

An analytical method for determination of ²¹⁰Pb, ²²⁶Ra and ²²⁸Ra is presented based on adsorption on 3M Empore RadDiscs, and measurement applying liquid scintillation spectrometry (LSC) after elution. The LSC measurement was performed with optimized α⧸β-discrimination and isotope standardization using the triple to double coincidence ratio (TDCR). The consistency of measurement results between radioactive parent–daughter pairs ²¹⁰Pb/²¹⁰Bi, ²²⁶Ra/²²²Rn and ²²⁸Ra/²²⁸Ac was checked in long-term counting experiments and the influence ofinterference of in-growing daughters from ²²⁶Ra into the β-spectrum of ²²⁸Ra+²²⁸Ac was studied as well. Recommendations for optimized LSC ²²⁸Ra measurement besides presence of ²²⁶Ra are given.

Details

Publication Type

Journal Article

Title

Determination of ²¹⁰Pb and ²²⁶Ra/²²⁸Ra in continental water using HIDEX 300SL LS-spectrometer with TDCR efficiency tracing and optimized α⧸β-discrimination

Author(s)

Eikenberg, J. (9612 Analytik)

Beer, H. (9600 Radiation Safety and Security)

Jäggi, M. (9612 Analytik)

Journal