Authors:
A. Mendoza National Center for Scientific Research (CNIC) P.O. Box 6880 10600 Havana Cuba

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R. Cesareo University of Sassari Institute of Mathematics and Physics Italy

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M. Valdés Laboratori Nazionali di Legnaro Istituto Nazionale di Fisica Nucleare Padova Italy

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J. Meitín National Center for Scientific Research (CNIC) P.O. Box 6880 10600 Havana Cuba

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R. Pérez Institute of Oceanology Havana Cuba

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Y. Lorente Institute of Oceanology Havana Cuba

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Abstract  

The present work shows a methodology for the application of EDXRF with a X-ray tube, in the analysis of elements in the following matrices: microalgae, marine algae, marine sediments and corals. Various methods were applied: one using a relative external standard, a fundamental parameters method, an absolute method based on elemental sensitivity, a method which used X-ray fluorescence excitation measured in the back side of the sample for low contents heavy elements determination and a TRXRF method. The thin layer samples were prepared using a plastic resin. The analyzed samples of marine algae, marine sediments and corals belong to a marine ecosystem from the North of Havana City, the most affected area by natural metereological phenomena and human impact.

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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)