Speciation problems solved with N Some actual cases for Hg, V, Cr, As and Se

E. Orvini; M. Gallorini

doi:10.1007/bf02516142

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 71: Issue 1-2

Speciation problems solved with N Some actual cases for Hg, V, Cr, As and Se

Authors:

E. Orvini

E. Orvini C.N.R. Centre for Radiochemistry and Activation Analysis 27100 Pavia (Italy)

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and

M. Gallorini

M. Gallorini C.N.R. Centre for Radiochemistry and Activation Analysis 27100 Pavia (Italy)

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Pages:: 75–95

Online Publication Date:: 09 Jan 2007

Publication Date:: 01 Mar 1982

Article Category:: Research Article

DOI:: https://doi.org/10.1007/bf02516142

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Abstract

The evaluation of the eco-toxic consequences of heavy metals on the biosphere requires assessment of their biological effects. This involves the determination of the different ionic species and the various chemical forms of each element. For many elements, the usual electrochemical methods for the analysis of different chemical species do not meet the required sensitivity; ppm or even ppb concentration ranges represent often the actual content of many matrices. For many elements as Hg, V, Cr, As, and Se one of the most sensitive method of trace determinations down to the ppb level is the NAA. Unfortunately this method gives information only on the total number of nuclei present, regardless to their outer structure and chemical forms. In this work, some examples are given of the feasibility of NAA to the determination of trace amounts of different chemical species of some heavy metals, when coupled to specific separation procedures.

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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)