2026-06-03T19:35:01Z
https://icatplus.esrf.fr/oaipmh/request
oai:icatplus.esrf.fr:inv/2049618456
2025-04-19T06:00:35.123Z
4.2
EI
10.15151/ESRF-ES-2049618456
Natalia MAYORDOMO
Natalia
Mayordomo Herranz
0000-0003-4433-9500
Natalia MAYORDOMO
Natalia
Mayordomo Herranz
0000-0003-4433-9500
Caroline BÖRNER
Caroline
Börner
Caroline BÖRNER
Caroline
Börner
Damien PRIEUR
Damien
Prieur
0000-0001-5087-0133
Marcos F MARTINEZ MORENO
Marcos F
Martinez Moreno
0000-0002-6808-1922
Marcos F MARTINEZ MORENO
Marcos F
Martinez Moreno
0000-0002-6808-1922
Inorganic and organometallic technetium interaction with iron sulfides
Example Institute
2028
Data from large facility measurement
2025-04-15T06:00:00Z/2025-04-19T06:00:00Z
2025-04-19T06:00:00Z
I
CC-BY-4.0
The fate of technetium (Tc) in the environment depends on its interaction with such minerals or microorganisms. In the last decades, research has been oriented towards the immobilization of inorganic Tc by reductants. However, much less is known about how metabolites (produced by microorganisms) could influence the interaction between Tc(VII) and Fe(II)-minerals and on the environmental behaviour of organometallic Tc. Hence, the factors influencing the mobility of Tc need to be studied in order to ensure the best conditions to prevent (or remediate) the emission of inorganic or organometallic Tc in the environment. The aim of this beamline proposal is analyzing the immobilization of inorganic TcVII (as TcVIIO4) by pyrite (FeS2) in presence of metabolites (acetate, succinate and siderophore). The kinetics of Tc removal by pyrite is slowered by succinate and acetate, while siderophore inhibits totally the removal of Tc.