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Abstract

The biogeochemical processes of actinides potentially released to the environment from nuclear waste repositories are mainly determined by their chemical form. Results of direct and indirect determinations of soluble and colloidal species of radionuclides are reported. Experimental investigations on americium speciation in sea water are compared with model calculations. Americium pseudocolloids smaller than 0.45 mum were identified. The application of the Specific Interaction Theory to activity coefficient correction is shown for the Chloro and sulphate complexes of americium. Analytical techniques for direct speciation studies are briefly reviewed.

Additional information

Authors: BIDOGLIO G, JRC ISPRA ESTAB. (ITALY);TANET G, JRC ISPRA ESTAB. (ITALY);DE PLANO A, JRC ISPRA ESTAB. (ITALY);LAZZARI G P JRC ISPRA ESTAB. (ITALY), JRC ISPRA ESTAB. (ITALY)
Bibliographic Reference: INTERNATIONAL SYMPOSIUM ON NUCLEAR ANALYTICAL CHEMISTRY, HALIFAX (CANADA), JUNE 5-7, 1985 JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, ARTICLES, VOL. 110 (1987), NO. 1, PP. 91-100
Record Number: 1989126001200 / Last updated on: 1988-02-01
Category: PUBLICATION
Available languages: en