Authors:
S. May CEN Saclay Département de Recherche et Analyse, Service d'Analyse et d'Etudes en Chimie Nucléaire et Isotopique, Groupe d'Analyse par Activation Neutronique B. P. no 2 Gif-sur-Yvette France

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D. Piccot CEN Saclay Département de Recherche et Analyse, Service d'Analyse et d'Etudes en Chimie Nucléaire et Isotopique, Groupe d'Analyse par Activation Neutronique B. P. no 2 Gif-sur-Yvette France

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G. Pinte CEN Saclay Département de Recherche et Analyse, Service d'Analyse et d'Etudes en Chimie Nucléaire et Isotopique, Groupe d'Analyse par Activation Neutronique B. P. no 2 Gif-sur-Yvette France

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Abstract  

The trace elements in sea water, particularly the pollutant elements (Cu, Cd, As, Zn, Hg and Cr) are present in very low concentrations (in the order of 10−9 g/ml). For the determination of the concentration of these elements the neutron activation analysis has been used successfully. The separation of the impurities has been studied using radioactive tracers by coprecipitation with carriers and on ion exchange resins. The preconcentration technics applied before the irradiation introduces too large “blank” values, which can be reduced by etching the containers with HF—EDTA. In order to have representative samples, the water must be quickly frozen after taking out from the sea. With these precautions, the method developed allows to analyse samples of 3 ml volumes. The results of sea water sample analyses from different areas are presented.

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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)