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- Title
The speciation of protactinium since its discovery: a nightmare or a path of resilience.
- Authors
Le Naour, Claire; Maloubier, Melody; Aupiais, Jean
- Abstract
This review concerns the speciation of protactinium in aqueous solution under its both oxidation states +IV and +V. Emphasis is placed on experimental data obtained at trace level but also in macroscopic amount leading to the determination of thermodynamic and structural data. Thus, the complexation of Pa(V) with mineral acids and organic acids, mainly polyaminocarboxylic acids (iminodiacetic acid [IDA], nitrilotriacetic acid [NTA], ethylenediaminetetraacetic acid [EDTA] and diethylenetriaminepentaacetic acid [DTPA]) are highlighted and compared. The review also includes the actual knowledge about the Pa(IV) aqueous chemistry pinpointing its spectroscopic features.
- Subjects
ETHYLENEDIAMINETETRAACETIC acid; DIETHYLENETRIAMINEPENTAACETIC acid; NITRILOTRIACETIC acid; ORGANIC acids; CHEMICAL speciation; GENETIC speciation
- Publication
Radiochimica Acta, 2022, Vol 110, Issue 6-9, p481
- ISSN
0033-8230
- Publication type
Article
- DOI
10.1515/ract-2021-1126