Radium isotope determination by alpha-spectrometry after electrodeposition from solution with added platinum |
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| Authors: | T F Hamilton V M McRae J D Smith |
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| Institution: | (1) School of Chemistry, University of Melbourne, 3052 Parkville, Victoria, (Australia);(2) Present address: IAEA-Marine Environment Laboratory, BP No 800, MC 98012, Monaco |
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| Abstract: | A method for measuring radium activity using electrodeposition onto stainless steel from solutions to which platinum ions have been added was developed. This gave high recovery with reduced electroplating times, and yielded deposits giving alpha-spectra of high resolution. Retention of the decay products in the deposit allows inference of some Ra isotopes from measurement of the activities of the high energy Po daughters. Application of the method to determination of226Ra in a marine manganese deposit is described. |
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