Use of multivariate and neutron activation analysis on studying element interrelationships in Brazilian phosphorite

J. Delgado; J. Carvalho; L. Tauhata

doi:10.1007/bf02102710

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 173: Issue 1

Use of multivariate and neutron activation analysis on studying element interrelationships in Brazilian phosphorite

Authors:

J. Delgado

J. Delgado Comissão Nacional de Energia Nuclear Instituto de Radioproteção e Dosimetria Av. Salvador Allende, s/no, Barra da Tijuca CEP 22780 Rio de Janeiro Brazil

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J. Carvalho

J. Carvalho Comissão Nacional de Energia Nuclear Instituto de Radioproteção e Dosimetria Av. Salvador Allende, s/no, Barra da Tijuca CEP 22780 Rio de Janeiro Brazil

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L. Tauhata

L. Tauhata Comissão Nacional de Energia Nuclear Instituto de Radioproteção e Dosimetria Av. Salvador Allende, s/no, Barra da Tijuca CEP 22780 Rio de Janeiro Brazil

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Pages:: 179–184

Online Publication Date:: 13 Sep 2005

Publication Date:: 17 Sep 1993

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02102710

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Abstract

Methods to determine U, Th, and other constituent elements in mineral matrices through Instrumental Neutron Activation Analysis (INAA), have been widely utilized due to their capability to extract a large quantity of information from small samples. In the present work, an experimental methodology based on INAA associated to the cluster statistics technique was used to determine the uranium concentration and its correlation with other elements present in the mineral phosphorites from the northeast region of Brazil. Data for 22 elements including rare-earth elements are presented. A good correlation between uranium and rare-earth elements is observed. For the transition metals, correlation with uranium was not noted.

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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)