M. Iqbal, M. Ejaz
1975
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Abstract
Sodium Chromate (Na2Cr04) suitable for medical diagnostic applications was prepared by irradiating potassium Chromate targets in the core of PARR at a thermal neutron flux of 2 χ 10n cm sec. The recoil chromium atoms were separated by extraction of the bulk of Cr(VI) with 0.1 M 4-(5-nonjl) pyridine/benzene from dilute hydrochloric acid solutions and the effluent was purified in an anion exchange column. 98°/0 radiochemical purity and 25mCiCr/mgCr specific activity have been achieved.