Výsledky vyhledávání - "Hala E. Ramadan"

Comparative studies on the adsorption of various radioactive nuclides from waste aqueous solutions on graphene oxide, inorganic and organic ion exchangers

Autor: Nora A. Mohamed, Hala E. Ramadan, Wafaa S. Hegazy, Doaa A. Abd El-Monem, Fatma H. El-Sweify

Publikováno v: Radiochimica Acta. 109:699-710

Adsorption of the radionuclides 141Ce, 140La, 140Ba, 137+134Cs, 131I, 125Sb, 103Ru, 95Nb and 95Zr are studied on graphene oxide from waste aqueous solution samples and their adsorption behaviors are compared to that on the inorganic ion exchanger Cer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e123cc2e074f0033258ce8cd6142fbd9
https://doi.org/10.1515/ract-2021-1030

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Studies on the Adsorption Behavior of 152+154Eu (III) on Synthesized Graphene Oxide

Autor: D.A. Abd El-Monem, Wafaa S. Hegazy, Hala E. Ramadan, Fatma H. El-Sweify, N. A. Mohamed

Publikováno v: Journal of Scientific Research in Science. 37:125-145

Graphene oxide (GO) Samples are locally synthesized for use in sorption and radionuclides removal studies of 152+154Eu (III). The samples were characterized by FT-IR, X-ray diffraction (XRD) and electron scanning microscopy (SEM). These samples are u

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f2552255b41304652cfb9230f8043db2
https://doi.org/10.21608/jsrs.2020.129925

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99Mo/99mTc radioisotope generator based on adsorption of 99Mo (VI) on cerium (IV) molybdate column matrix

Autor: Hala E. Ramadan, Hassan El-Said, Mahmoud Abbas, Maher A. El-Hashash

Publikováno v: Radiochimica Acta. 106:991-999

Based on neutron activated 99Mo, a procedure for preparation of 99Mo/99mTc radioisotope generator was developed. Batch equilibration method was used to investigate the sorption behavior of Mo (VI) (10−4 M) in chloride and nitrate solutions on ceriu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6d476d51019f633df43847926b66c1a4
https://doi.org/10.1515/ract-2018-0002

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Simultaneous multi-element determination in different seed samples of Dodonaea viscosa hopseed using instrumental neutron activation analysis

Autor: Hala E. Ramadan, Mahmoud A. El-Amir, Fatma H. El-Sweify, Ghada M. Rashad, Mohamed Mostafa

Publikováno v: Radiochimica Acta. 104:211-220

Instrumental neutron activation analysis technique (INAA) was applied for nondestructive multi-element analysis of seed samples of the plant Dodonaea viscosa hopseed. This plant is distributed all over Egypt, because of its suitable properties. The s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afa1730bfd60a68ae85f54b200c1e507
https://doi.org/10.1515/ract-2015-2422

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