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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: Article
Journal or Publication Title: Analytical Chemistry
Uncontrolled Keywords: lead-210 polonium-210 bismuth-210
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
G Geography. Anthropology. Recreation > GC Oceanography
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 4507
Deposited By: Dr Jackie Pates
Deposited On: 26 Mar 2008 08:51
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 18:12
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/4507

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