Journal of Radioanalytical and Nuclear Chemistry

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Syntheses and spectroscopic characterization of uranium(VI) silicate minerals
Journal of Radioanalytical and Nuclear Chemistry - Tập 275 - Trang 633-642 - 2007
S. Lehmann, G. Geipel, H. Foerstendorf, G. Bernhard
In this study, the secondary uranium(VI) silicate minerals boltwoodite, sodium boltwoodite and uranophane were synthesized. Sodium boltwoodite was successfully obtained by the following new reaction procedure. Their analytical characterization was carried out by means of inductively coupled plasma mass spectrometry and atomic absorption spectroscopy, scanning electron microscopy, X-ray powder diff... hiện toàn bộ
Investigation of the polymorphs and hydrolysis of uranium trioxide
Journal of Radioanalytical and Nuclear Chemistry - Tập 296 Số 1 - Trang 105-110 - 2013
Lucas E. Sweet, Thomas A. Blake, Charles H. Henager, Sanmei Hu, Timothy J. Johnson, David E. Meier, Shane M. Peper, Jon M. Schwantes
Assessment of natural radioactivity in cements used as building materials in Turkey
Journal of Radioanalytical and Nuclear Chemistry - - 2016
B. E. Özdiş, N. F. Çam, B. Canbaz Öztürk
The radioactivity concentrations of 226Ra, 232Th and 40K in 42 samples from different types of cements produced in Turkey were measured using gamma-ray spectrometer. The determined values were 18–143 Bq kg−1 (226Ra), 5–66 Bq kg−1 (232Th) and 142–540 Bq kg−1 (40K). Additionally, the calculated radiological hazard parameters such as absorbed dose rate, annual effective dose, radium equivalent activi... hiện toàn bộ
Research progress in the treatment of uranium(VI)-contaminated wastewater by modified chitosan
Journal of Radioanalytical and Nuclear Chemistry - Tập 330 Số 3 - Trang 1263-1269 - 2021
Zhi‐Hui Wang, Yanfei Wang, Yao Chen
Co-doped zinc oxide microspheres as photocatalysts for enhanced uranium extraction
Journal of Radioanalytical and Nuclear Chemistry - - 2023
Fucheng Zhang, Xin Yuan, Dengjiang Fu, Li Zhou, Pengling Huang, Tao Chen
Determination of selenium in food matrices by replicate sample neutron activation analysis
Journal of Radioanalytical and Nuclear Chemistry - Tập 281 - Trang 197-200 - 2009
M. G. Ventura, M. C. Freitas, A. M. G. Pacheco
The replicate sample instrumental neutron activation method was optimized and used for the determination of selenium in foodstuffs. The method was reliable, yielding accurate results. Lower detections limits were obtained after each successive irradiation. Different irradiation conditions were used depending on the type of sample. For samples with higher selenium contents (meat, fish, eggs), the m... hiện toàn bộ
Stability of Ba2+-15-crown-5 complex in water saturated nitrobenzene
Journal of Radioanalytical and Nuclear Chemistry - Tập 241 Số 1 - Trang 183-185 - 1999
Emanuel Makrlík, Petr Vaňura
An in situ radiotracer method for the characterization of a corrosion protective coating by sorption
Journal of Radioanalytical and Nuclear Chemistry - Tập 175 - Trang 339-349 - 1993
A. Kolics, K. Varga, E. Maleczki
A new approach for the characterization of coatings with respect to their corrosion protection is presented. The applicability of a simple in situ radiotracer method and some information which can be gained from sorption measurement of corrosive ions are demonstrated based on the results obtained in case of HSO4 −/SO4 2− accumulation on a coating chosen. The technique used has low detection limit ... hiện toàn bộ
Recovery of 60Co and 137Cs with various solid phases from aqueous solutions of different chemical composition
Journal of Radioanalytical and Nuclear Chemistry - Tập 316 - Trang 869-884 - 2018
Sergey A. Kulyukhin, Vladimir V. Kulemin, Elena P. Krasavina, Igor’ A. Rumer, Vladimir B. Krapukhin, Margarita P. Gorbacheva
Removal of microamounts of 60Co and 137Cs from different aqueous solutions, included NPP trap waters and simulated NPP bottom residues, by coprecipitation with various solid phases was studied. It was showed that coprecipitation of 60Co and 137Cs with the solid phase of K+, Fe3+, and Ni2+ ferrocyanides formed by adding K4[Fe(CN)6], Fe(NO3)3, and Ni(NO3)2 ensures almost 100% removal of both radionu... hiện toàn bộ
Adsorption of uranium(VI) from aqueous solution using phosphonic acid-functionalized silica magnetic microspheres
Journal of Radioanalytical and Nuclear Chemistry - Tập 310 - Trang 1155-1163 - 2016
Limin Zhou, Hongbin Zou, Yun Wang, Zhirong Liu, Zhiwei Huang, Taian Luo, Adesoji A. Adesina
The phosphonic acid-functionalized silica magnetic microspheres (PA-SMM) were successfully synthesized for U(VI) adsorption. The PA-SMM exhibited higher adsorption capacity for U(VI) compared to unmodified silica magnetic microspheres due to the high affinity of phosphonic acid groups with U(VI). The adsorption was dominated by inner sphere surface chelation and kinetically followed the pseudo-sec... hiện toàn bộ
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