Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 277: Issue 2
Enhanced trace element analysis of plant materials after accelerated pulsed UV digestion
Authors:
A. Mireles Universidad Nacional Autónoma de México Instituto de Física, Departamento de Física Experimental Apdo. Postal 20-364 01000 México D.F. Mexico

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C. Solís Universidad Nacional Autónoma de México Instituto de Física, Departamento de Física Experimental Apdo. Postal 20-364 01000 México D.F. Mexico

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M. Lagunas-Solar University of California Crocker Nuclear Laboratory Davis California 95616-8569 USA

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C. Piña University of California Crocker Nuclear Laboratory Davis California 95616-8569 USA

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R. Flocchini University of California Crocker Nuclear Laboratory Davis California 95616-8569 USA

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A. Sotelo Universidad Nacional Autónoma de México, Cd. Universitaria Facultad de Química 04510 México D.F. Mexico

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M. Navarrete Universidad Nacional Autónoma de México, Cd. Universitaria Facultad de Química 04510 México D.F. Mexico

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Pages:
441–449
Online Publication Date:
12 Mar 2008
Publication Date:
01 Aug 2008
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-007-6893-8
Restricted access

Abstract  

A method for measuring trace concentration of Fe, Co, Ni, Cu, Zn and Pb in plant materials was developed, optimized, validated and compared using reference standards and fresh samples. The method is based on rapid material digestion by radicals produced with laser-assisted pulsed UV (PUV) photolysis of aqueous solutions containing H2O2. Metals in the resulting solution were pre-concentrated as carbamates. Samples were analyzed with particle induced X-ray emission (PIXE). Combined PUV digestion and pre-concentration techniques resulted in enhanced detection levels of selected trace elements in foods and non-food commodities. The method was applied to measure trace elements in wastewater irrigated fruits, vegetables and crops.

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Cover Journal of Radioanalytical and Nuclear Chemistry
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)

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