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Abstracts and Available Papers Presented at the
1998 International RERTR Meeting

PREPARATION OF A GEL OF ZIRCONIUM MOLYBDATE FOR USE IN THE GENERATORS OF 99Mo-99mTc PREPARED WITH 99Mo PRODUCED BY THE 98Mo(n,g )99Mo REACTION

João A. Osso Junior, Ana Lúcia V. P. Lima, Nestor C. da Silva, Renata C. Nieto, Adriana C. de Velosa

Instituto de Pesquisas Energéticas e Nucleares - IPEN-CNEN/SP
Travessa R 400 – Cidade Universitária – CEP 05508-900
São Paulo – SP – Brasil

Abstract

IPEN develops a project concerning the preparation of a gel of Zirconium Molybdate for use in the generators of 99Mo-99mTc. 99mTc is the most used radioisotope in Nuclear Medicine diagnosis procedures and nowadays the generators are being prepared with imported 99Mo, produced by 235U fission. The production of 99Mo by the 98Mo(n,g )99Mo reaction is now possible because of the power upgrade of IPEN's IEA-R1 reactor, from 2 to 5 MW. This work describes the preparation method of Zirconium Molybdate gel that will be used in the 99Mo-99mTc generators. The gel is prepared by the chemical reaction between Mo, in MoO3 form, and Zr, in ZrOCl2.8H2O form. After the reaction, the gel is filtered, dried and cracked with saline solution. The product is then loaded into glass columns for use as 99mTc generator. The results showed the good quality of the gel prepared at laboratory level and of the generators evaluated.


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Contact:
João Alberto Osso Jr.
Instituto de Pesquisas Energéticas e Nucleares-CNEN/SP
Travessa R, 400 - Cidade Universitária
São Paulo SP 05508-900
Brazil

Phone: 55 11 816 9255
Fax: 55 11 816 9257
Email: jaosso@net.ipen.br

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Last modified on July 29, 2008 11:34 +0200