A time efficient method for the determination of Pb-210, Bi-210 and Po-210 in seawater using liquid scintillation spectrometry.

Biggin, Colin D. and Cook, Gordon T. and MacKenzie, Angus B. and Pates, Jackie M. (2002) A time efficient method for the determination of Pb-210, Bi-210 and Po-210 in seawater using liquid scintillation spectrometry. Analytical Chemistry, 74 (3). pp. 671-677. ISSN 0003-2700

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Abstract

A novel method has been developed for determining the natural decay series radionuclides (NDS), Pb-210, Bi-210 and Po-210, in seawater by way of state-of-the-art liquid scintillation spectrometry. For Pb-210 analysis, the method makes use of a Pb-212 yield tracer, prepared by ion exchange separation from aged Th(NO3)4. Pi-210 recovery is determined using Bi-207 as the yield tracer, and Po-210 is determined using the conventional Po-208 yield tracer. The limits of detection for this method are 0.32, 0.34 and 0.004 mBq/l for Pb-210, Bi-210 and Po-210 respectively. The analysis can be completed within 10 days, as compared with up to one year for traditional methods. Results are presented for a preliminary study of Pb-210, Bi-210 and Po-210 in the dissolved and particle-bound phases of Irish Sea water.

Item Type:
Journal Article
Journal or Publication Title:
Analytical Chemistry
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/gc
Subjects:
ID Code:
4507
Deposited By:
Deposited On:
26 Mar 2008 08:51
Refereed?:
Yes
Published?:
Published
Last Modified:
11 Jun 2020 01:24