A rapid method for the separation of 210 Po from 210 Pb by TIOA extraction

A. Aarkrog

doi:10.1023/a:1013298215640

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 249: Issue 3

A rapid method for the separation of 210 Po from 210 Pb by TIOA extraction

Author:

A. Aarkrog

A. Aarkrog Risø National Laboratory Department of Nuclear Safety Research DK-4000 Roskilde Denmark

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Pages:: 587–593

Online Publication Date:: 29 Oct 2004

Publication Date:: 17 Sep 2001

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1013298215640

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Abstract

A rapid method for the separation of ²¹⁰ Po from ²¹⁰ Pb was developed utilizing extraction of triisooctylamine (TIOA)/xylenein HCl+H₂O₂ medium. Polonium in the form of PoCl ₆²– was extracted into TIOA phase and ²¹⁰Pb remains in the aqueous phase. Lead-²¹⁰ was determined by -countingof its granddaughter, ²¹⁰ Po ingrown from ²¹⁰ Pb forsome period of time. Distribution of ²¹⁰ Po and ²¹⁰Pb in TIOA and aqueous phases was investigated in various concentrations ofHCl media. Hydrogen peroxide was used to further decompose organic matterand to remove sulfur to prevent its deposition on the silver disc. The improvedprocedure resulted in a good chemical yield (80–95%) and a good á-resolution.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)