Nontarget Identification of Novel Per-and polyfluoroalkyl substances (PFAS) in Soils from an oil refinery in Southwestern China: a combined approach with TOP Assay

M Zhao, Y Yao, X Dong, M Baqar, B Fang… - Environmental …, 2023 - ACS Publications
Oil refinery activity can be an emission source of perfluoroalkyl and polyfluoroalkyl
substances (PFAS) to the environment, while the contamination profiles in soils remain …

Intramolecular Re··· O Nonvalent Interactions as a Stabilizer of the Polyoxorhenate (VII)

MA Volkov, AP Novikov, NE Borisova… - Inorganic …, 2023 - ACS Publications
The first polyoxorhenate (VII) compound, pyrazolium polyoxorhenate ((C4N2H5) 2Re4O15),
and two new rhenium (VII) and technetium (VII) salts have been synthesized and studied …

Pivotal role of 99Tc NMR spectroscopy in solid-state and molecular chemistry

VV Kuznetsov, F Poineau, KE German… - Communications …, 2024 - nature.com
The radioelement Technetium (element 43) pertains to various domains including the
nuclear enterprise (ie, spent nuclear fuel (SNF) reprocessing and nuclear waste …

Novel synthesis methods of new imidazole-containing coordination compounds Tc (IV, V, VII)—reaction mechanism, Xrd and hirshfeld surface analysis

MA Volkov, AP Novikov, MS Grigoriev… - International Journal of …, 2022 - mdpi.com
In this work, we have proposed two new methods for the synthesis of [TcO2L4]+(where L=
imidazole (Im), methylimidazole (MeIm)) complexes using thiourea (Tu) and Sn (II) as the …

New O-and NN-Bridging Complexes of Tc (V), the Role of the Nitrogen Atom Position in Aromatic Rings: Reaction Mechanism, Spectroscopy, DTA, XRD and Hirshfeld …

AP Novikov, MA Volkov - International Journal of Molecular Sciences, 2022 - mdpi.com
In this work, O-and NN-bridging complexes of technetium (V), previously known only for
rhenium, were obtained for the first time. Tc (V) complexes with pyridazine (pyd), 1, 2, 4 …

Pertechnetates–a structural study across the periodic table

E Strub, D Grödler, D Zaratti, C Yong… - … A European Journal, 2024 - Wiley Online Library
The number of crystal structures of pertechnetates derived from aqueous solutions has been
expanded from seven to over 30. We report the conversion of NH4TcO4 to aqueous HtcO4 …

Thiourea as a Stabilizer of Reduced Forms of Technetium─ Tc (III) and Tc (IV): Experimental and Theoretical Studies of Complexes

MA Volkov, AP Novikov, MS Grigoriev… - Inorganic …, 2022 - ACS Publications
This paper presents synthetic methods for the preparation of Tc (III) and Tc (IV) coordination
compounds with thiourea. We have shown that the main product of the synthesis is the …

Uranyl-Tc (vii)/Tc (v) hybrid clusters

M Shohel, M Nyman - Chemical Communications, 2024 - pubs.rsc.org
Pertechnetate (99TcVIIO4−), reduced Tc, and actinides co-exist in spent nuclear fuel and
legacy wastes. They co-transport in fuel reprocessing and waste disposal scenarios …

Synthesis of Technetium Carboxylates: Wheel-Like Octanuclear Clusters (Tc8(μ-O)8(RCOO)16, Where R = CF3, C6H5)─Potential Nanobuilding Units for Tc …

MA Volkov, EV Abkhalimov, AP Novikov… - Inorganic …, 2024 - ACS Publications
Herein, we studied the behavior of TcO4–in trifluoroacetic anhydride (TFAA) under visible
light irradiation in situ by UV–vis spectroscopy. One carboxylate of Tc (VII) C2F3O5Tc (1) …

Reaction of Pertechnetate in Highly Alkaline Solution: Synthesis and Characterization of the Nitridotrioxotechnetate Ba[TcO3N]

D Badea, K Dardenne, R Polly, J Rothe… - … A European Journal, 2022 - Wiley Online Library
The preparation of novel technetium oxides, their characterization and the general
investigation of technetium chemistry are of significant importance, since fundamental …