Determination of alpha-emitting isotopes of uranium and thorium in vegetables and excreta

M. Taddei; N. Silva; E. Fernandes; M. Cipriani

doi:10.1023/a:1010621301872

Jump to Content

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 248: Issue 2

Determination of alpha-emitting isotopes of uranium and thorium in vegetables and excreta

Authors:

M. Taddei

M. Taddei Comissão Nacional de Energia Nuclear, COLAB/CNEN Laboratório de Poços de Caldas CP 913 37701-970 Poços de Caldas, MG Brazil

Search for other papers by M. Taddei in
Current site
Google Scholar
PubMed

N. Silva

N. Silva

Search for other papers by N. Silva in
Current site
Google Scholar
PubMed

E. Fernandes

E. Fernandes Universidade de São Paulo, CENA/USP Centro de Energia Nuclear na Agricultura CP 96 13400-970 Piracicaba, SP Brazil

Search for other papers by E. Fernandes in
Current site
Google Scholar
PubMed

, and

M. Cipriani

M. Cipriani Comissão Nacional de Energia Nuclear, COLAB/CNEN Laboratório de Poços de Caldas CP 913 37701-970 Poços de Caldas, MG Brazil

Search for other papers by M. Cipriani in
Current site
Google Scholar
PubMed

View More View Less

Pages:: 483–486

Online Publication Date:: 29 Oct 2004

Publication Date:: 17 May 2001

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1010621301872

Restricted access

Abstract

A radiochemical procedure for the determination of alpha-emitting isotopes of uranium and thorium in vegetables and excreta has been optimized, involving sample dissolution, separation by ionic exchange resin, electrodeposition and alpha-spectroscopy. Uranium and thorium isotopes were determined separately to prevent interference of ²²⁸Th from ²³²U tracer with ²²⁸Th from natural series of 232Th. This procedure was applied to faeces from people living in the Poços de Caldas plateau, a high natural radioactivity region of Brazil, and vegetables from the Laboratory of Environmental Monitoring (EML/DOE). Results show a chemical recovery of 80–95% for uranium and 46–72% for thorium.

Save
Cite
Email this content

Share Link

Copy this link, or click below to email it to a friend
Email this content
or copy the link directly:

https://akjournals.com/abstract/journals/10967/248/2/article-p483.xml
The link was not copied. Your current browser may not support copying via this button.

Link copied successfully

Collapse
Expand

Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

To see the editorial board, please visit the website of Springer Nature.

Manuscript Submission: HERE

For subscription options, please visit the website of Springer Nature.

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)