SinoXivDetermination of 210Po in Seawater by Tellurium Microprecipitation Method
Abstract
Polonium-210 (210Po) can be rapidly determined in seawater samples by alpha spectrometry using tellurium (Te) microprecipitation. In this method, Po is first pre-concentrated using titanium trichloride (TiCl3), redissolved in 3M HCl, and filtered. The Te microprecipitation was then applied to the supernatant. Replicate spiked samples and blank samples were analyzed to evaluate the performance of the procedure. For 210Po in 1 L seawater samples, the minimum detectable activity (MDC) concentration was determined to be 0.5 mBq L-1 with a counting time of 24 h, and high recoveries (~ 89%) were achieved. This method is suitable for the rapid batch screening of 210Po in environmental water samples.
Citation Information
@article{linama2026,
title={Determination of 210Po in Seawater by Tellurium Microprecipitation Method},
author={Lina Ma and Longjiang Wang and Ya Ma and Hui Zhang},
journal={Research Square},
year={2026},
doi={https://doi.org/10.21203/rs.3.rs-9312664/v1}
}
