Abstract
This study presents a time-efficient method of analysing 210Pb, 210Bi, and 210Po in natural waters. The optimum pH (1.00), temperature (95 °C), and time (4.5 h) for simultaneous auto-deposition of 210Bi and 210Po onto Ni discs were determined and thermodynamically and kinetically clarified. Under the optimum conditions, the determination of 210Pb, 210Bi, and 210Po in natural seawater, lake water, and rainwater can be finished within 2 months. The preliminary results in in situ water samples validated our protocol, with favourable recoveries for all three nuclides, and revealed the potential application of the 210Bi–210Pb pair to trace particle cycling in seawater.
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Acknowledgements
We thank X Zhao and N Feng for their help during sampling. This study was financially supported by the National Natural Science Foundation of China (42076030 and 41476061 awarded to W.Y.).
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Tian, J., Yang, W., Chen, M. et al. Auto-deposition of 210Bi and 210Po on nickel discs and their application in the analysis of natural waters. J Radioanal Nucl Chem 331, 1039–1049 (2022). https://doi.org/10.1007/s10967-021-08157-1
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DOI: https://doi.org/10.1007/s10967-021-08157-1