New electrochemical method for separation of the iodine-131 radiopharmaceutical produced from uranium-235 fission

IF 2.6 4区 化学 Q3 ELECTROCHEMISTRY
Thayna Campeol Marinho, Elita Fontenele Urano de Carvalho, Valéria Cristina Fernandes, Artur José Santos Mascarenhas, Elisabete Inácio Santiago
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Abstract

An alternative method based on electrochemical techniques for separation and purification of iodine in the presence of ruthenium, molybdenum, and tellurium, which are some elements resultants from uranium fission reaction, is proposed. For this, all elements were electrochemically characterized using the cyclic voltammetry technique. All the characterization and separation were performed using different parameters, such as temperature, pH, concentration, and potential, aiming to determine the optimized operation conditions to achieve the highest separation yield. The highest iodine yields were observed in acidic medium, at 298 and 313 K, and in lower iodine concentrations, which resulted in a separation rate of 45%. On the other hand, the iodine separation in basic medium resulted in very poor yields, indicating that the separation is not efficient in pH > 8.

Graphical Abstract

Abstract Image

分离铀-235 裂变产生的碘-131 放射性药物的新型电化学方法
提出了一种基于电化学技术的替代方法,用于分离和提纯存在钌、钼和碲(铀裂变反应的一些结果元素)的碘。为此,使用循环伏安技术对所有元素进行了电化学表征。所有的表征和分离都是在不同的参数下进行的,如温度、pH 值、浓度和电位,目的是确定优化的操作条件,以获得最高的分离率。在酸性介质、298 开氏度和 313 开氏度以及较低的碘浓度条件下,碘分离率最高,达到 45%。另一方面,在碱性介质中进行碘分离的产率很低,表明在 pH 值为 8 时分离效率不高。
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来源期刊
CiteScore
4.80
自引率
4.00%
发文量
227
审稿时长
4.1 months
期刊介绍: The Journal of Solid State Electrochemistry is devoted to all aspects of solid-state chemistry and solid-state physics in electrochemistry. The Journal of Solid State Electrochemistry publishes papers on all aspects of electrochemistry of solid compounds, including experimental and theoretical, basic and applied work. It equally publishes papers on the thermodynamics and kinetics of electrochemical reactions if at least one actively participating phase is solid. Also of interest are articles on the transport of ions and electrons in solids whenever these processes are relevant to electrochemical reactions and on the use of solid-state electrochemical reactions in the analysis of solids and their surfaces. The journal covers solid-state electrochemistry and focusses on the following fields: mechanisms of solid-state electrochemical reactions, semiconductor electrochemistry, electrochemical batteries, accumulators and fuel cells, electrochemical mineral leaching, galvanic metal plating, electrochemical potential memory devices, solid-state electrochemical sensors, ion and electron transport in solid materials and polymers, electrocatalysis, photoelectrochemistry, corrosion of solid materials, solid-state electroanalysis, electrochemical machining of materials, electrochromism and electrochromic devices, new electrochemical solid-state synthesis. The Journal of Solid State Electrochemistry makes the professional in research and industry aware of this swift progress and its importance for future developments and success in the above-mentioned fields.
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