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About the existence of Th(III) in aqueous solution

机译:关于水溶液中Th(III)的存在

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摘要

Recently [1] it was claimed that (i) the reaction of ThCl4 with HN3 in slightly acidic aqueous solution produces the aqueous ion of Th(III) according to the thermodynamically-allowed reaction: Th4+ + HN3 --> Th3+ + 1.5N(2) + H+; (ii) Th(III) was identified by its absorption (UV-vis. 200-1300 nm) and ESR spectra. This paper is aimed to prove that the aqueous ion Th3+ (ag) is thermodynamically unstable and that the identification of Th(III) in the considered solutions ask for new experiments. (C) 1998 Elsevier Science Ltd. All rights reserved. [References: 22]
机译:最近[1]声称(i)根据热力学允许的反应,ThCl4与HN3在微酸性水溶液中的反应生成Th(III)的水离子:Th4 + + HN3-> Th3 + + 1.5N( 2)+ H +; (ii)Th(III)由其吸收(紫外可见200-1300 nm)和ESR光谱鉴定。本文旨在证明水离子Th3 +(ag)在热力学上是不稳定的,并且在考虑的溶液中鉴定Th(III)要求进行新的实验。 (C)1998 Elsevier ScienceLtd。保留所有权利。 [参考:22]

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