Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Saeyda A. Abou El-Enein"'
Autor:
Eman M. Allam, Taysser A. Lashen, Saeyda A. Abou El-Enein, Mohamed A. Hassanin, Ahmed K. Sakr, Mohamed F. Cheira, Aljawhara Almuqrin, Mohamed Y. Hanfi, M. I. Sayyed
Publikováno v:
Materials, Vol 15, Iss 3, p 1211 (2022)
This study presents the first application of sodium diethyldithiocarbamate/polyvinyl chloride (DdTC/PVC) as a novel adsorbent for rare earth element (REE) sorption from leach liquors. DdTC/PVC has higher adsorption properties than other sorbents, the
Externí odkaz:
https://doaj.org/article/f35f4a380e9a4b54b301b0345b334e65
Autor:
Eman M. Allam, Taysser A. Lashen, Saeyda A. Abou El-Enein, Mohamed A. Hassanin, Ahmed K. Sakr, Mohamed Y. Hanfi, M. I. Sayyed, Jamelah S. Al-Otaibi, Mohamed F. Cheira
Publikováno v:
Polymers, Vol 14, Iss 5, p 954 (2022)
A new sorbent cetylpyridinium bromide/polyvinylchloride (CPB/PVC) was prepared and tested to extract rare earth elements (REEs) from their chloride solutions. It was identified by FTIR, TGA, SEM, EDX, and XRD. The impact of various factors such as pH
Externí odkaz:
https://doaj.org/article/54d1244f83e344ee8b21ca1beea51658
Publikováno v:
Journal of Molecular Structure. 1127:386-396
The entitled ligand and its metal complexes derived from chloride salts of Mn(II), Co(II), Ni(II), and Cu(II), and Cd(NO3)2 were prepared. The structures were confirmed by analytical, different spectral techniques and thermogravimetric analysis. Comp
Publikováno v:
Journal of Coordination Chemistry. 57:281-294
A new series of manganese(II), nickel(II), cobalt(II), copper(II) and zinc(II) complexes of 2-(acetichydrazido-N-methylidene-α-naphthol)-benzothiazol (H2L) was prepared and characterized by elemental analysis, IR, UV–VIS, magnetic susceptibility,
Publikováno v:
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy. 72(2)
Cobalt(II), nickel(II), copper(II), zinc(II) and hafnium(IV) complexes of furan-2-carbaldehyde 4-methoxy-N-anilinoacetohydrazone were synthesized and characterized by elemental and thermal (TG and DTA) analyses, IR, UV-vis and (1)H NMR spectra as wel
Publikováno v:
Transition Metal Chemistry. 15:443-448
Disubstituted phenylazo-barbituric and thiobarbituric acid complexes derived from CoII, NiII and CuII salts have been prepared. Electronic spectra and magnetic susceptibility measurements prove that the cobalt and nickel complexes have high-spin octa