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Factors affecting the electrodeposition of226Ra

  • Radiochemical and Radioanalytical Techniques
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Abstract

The electrodeposition of226Ra for α-spectrometry was reinvestigated to improve reproducibility and yield. Electrodeposition is from 20 ml of 90% propan-2-ol10% 0.05M HNO3 onto stainless steel disks, using 100 mA at 35 V for 20 minutes and a platinum anode. Half deposition time is 3–4 minutes. The following factors were found important: 1. Maintaining the same anode position. 2. Rotation of cathode. 3. Exclusion of sulphate. 4. Avoiding heating the HNO3/propan-2-ol plating solution. 5. Exclusion of solubilised resin resulting from passage through ion-exchange columns. 6. Maintaining other impurities at less than 10 μg. If these precautions are followed yields are greater than 90%.

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Authors and Affiliations

  1. Nuclear Sciences Group, Physical Sciences Division, D. S. I. R., P. O. Box 31-312, Lower Hutt, (New Zealand)

    N. E. Whitehead, R. G. Ditchburn, W. J. McCabe & R. Van Der Raaij

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  1. N. E. Whitehead
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  2. R. G. Ditchburn
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  3. W. J. McCabe
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  4. R. Van Der Raaij
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Whitehead, N.E., Ditchburn, R.G., McCabe, W.J. et al. Factors affecting the electrodeposition of226Ra. Journal of Radioanalytical and Nuclear Chemistry, Articles 160, 477–485 (1992). https://doi.org/10.1007/BF02037123

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  • DOI: https://doi.org/10.1007/BF02037123

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