A novel method for removing aluminum from spallation-produced82Sr
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A novel method is presented for the separation of aluminum from strontium by anion exchange in the hydroxide form. When added in acidic solution, aluminum forms Al(OH) 4 − and is retained while strontium is eluted as the neutral Sr(OH)2. The procedure has been used to purify spallation-produced82Sr for use in the82Sr−82Rb radionuclide generator. It has the advantage that the82Sr solution, which must be at basic pH for generator construction, may be neutralized without introducing cations such as Na+ and NH 4 + . The method may be used to separate any metal which forms an anionic hydroxide from those forming neutral soluble hydroxides.
KeywordsStrontium Quaternary Amine Eluant Anion Exchange Resin Chloride Form
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