Abstract
Highly purified cobalt and zinc phthalocyanines were reactor irradiated and used in studies of the direct liquid-solid extraction procedure for obtaining high specific activity radionuclies. Hot dilute aqueous acid solutions, such as 0.1M HClO4, were found to give useful yields />50%/ at moderate enrichments from α-MPc targets. Dilute acid does not extract useful quantities of radionuclides from the irradiated β-MPc targets examined.
Published Version
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