Zobrazeno 1 - 10
of 12
pro vyhledávání: '"C. N. Turcanu"'
Autor:
A. Saidel, C. N. Turcanu
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry. 240:571-577
Thermal gravimetric (TG) and differential thermal (DTA) analyses were performed to characterize the thermal behavior and the stoichiometry of uranyl bis-1,3-diketonate complexes (R1COCR2COR3)2 UO2x H2O, where R1,3=CH3; C2H5; C6H5; CF3; pNO2−C6H4; p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::229e8cf4ee70a700843915abd5beb1b7
https://doi.org/10.1007/bf02349415
https://doi.org/10.1007/bf02349415
Publikováno v:
Hyperfine Interactions. 112:201-204
Two original evaluations of the embedding process and of the hydration promotion in cements using only Mossbauer data have been proposed. Quantitative factors connected with the Mossbauer parameters and describing the hydration degree, the quality of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6593fe6839ab77cbb0706455ffc0340
https://doi.org/10.1023/a:1011076522131
https://doi.org/10.1023/a:1011076522131
Publikováno v:
Volume 1: Low/Intermediate-Level Radioactive Waste Management; Spent Fuel, Fissile Material, Transuranic and High-Level Radioactive Waste Management.
The study of embedding matrix of radioactive waste is an important issue concerning the need to assure the radiological safety requirements for final disposal. The conditioning of the radioactive wastes by cementation process involves also a structur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::522c6564d0134188e6ed46f973d91e16
https://doi.org/10.1115/icem2013-96062
https://doi.org/10.1115/icem2013-96062
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 203:177-187
The intennolecular ligand exchange in umnyl nitrate complexes with TBP and TOPO is studied by 31p-NMR. The constant rates at 25 ~ in CC14 are: (8.47 + 1.86). 103 s -1 for U-TBP and (1.3 +0.04). 104M -1. s -1 for U-TOPO system. The very similar activa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0df2392fb547b54d2755d5283dd33652
https://doi.org/10.1007/bf02060393
https://doi.org/10.1007/bf02060393
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 203:189-197
The intermolecular ligand exchange in uranyl nitrate complexes with TBP and TOPO is studied by31P-NMR. The constant rates at 25°C in CCl4 are: (8.47±1.86)·103 s−1 for U-TBP and (1.3±0.04)·104M−1·s−1 for U-TOPO system. The very similar act
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::19185ae6fdd8ec956b2b0e304b49e975
https://doi.org/10.1007/bf02060394
https://doi.org/10.1007/bf02060394
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 190:375-380
The aqueous radioactive wastes are complex chemical systems as consequence of the variety of the contained cations. The chemical systems precipitated from FeSO4 and FeCl3 simulating the aqueous radioactive waste treatment have been investigated by Mo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af2a97ef115bcc8cb9071f35d84f4c45
https://doi.org/10.1007/bf02040015
https://doi.org/10.1007/bf02040015
Autor:
V. Spanu, C. N. Turcanu
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 190:369-374
The anion influence on the hydrated oxides formed by Fe3+ and Fe2+ precipitation simulating the aqueous radioactive waste treatment has been investigated by Mossbauer spectroscopy. Fe3(SO4)2, Fe(NO3)3, FeCl3, FeSO4 and FeCl2 were used as iron sources
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::38f772271622db8248e3108263926ddf
https://doi.org/10.1007/bf02040014
https://doi.org/10.1007/bf02040014
Autor:
V. Spanu, C. N. Turcanu
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Articles. 181:189-200
Different iron hydroxide precipitation processes simulating radioactive waste, treatment have been investigated by Mossbauer spectroscopy at room temperature and at 80 K. Magnetic oxides (hematite or magnetite) partially affected by superparamagnetic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6d692f85710d8bcb55d7a144efdcaba4
https://doi.org/10.1007/bf02037559
https://doi.org/10.1007/bf02037559
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 166:309-320
Mossbauer effect was used for the characterization of the radioactive waste treatment products, e.g. precipitate formed during the treatment of LLAW (Low Level Active Waste) using iron compounds and their conditioned matrix obtained by cementation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9acaf13ef2e81fbe58b18cc6fe446bb7
https://doi.org/10.1007/bf02163837
https://doi.org/10.1007/bf02163837
Autor:
C. N. Turcanu, G. Filoti
Publikováno v:
Journal of Radioanalytical and Nuclear Chemistry Letters. 165:369-375
The Mossbauer spectrum of ferric oxinate exhibits and asymmetric quadrupole doublet. The modification of the dynamic Mossbauer parameters (to the equal values for each line) following the irradiation, was explained by the internal oxine ligands rotat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b095fca51e2eea65382cf4aca36b956d
https://doi.org/10.1007/bf02164430
https://doi.org/10.1007/bf02164430