Search Results - "Hafez, M.A.H."

Adsorption of Cu(II), Cd(II), Hg(II), Pb(II) and Zn(II) from aqueous single metal solutions by guanyl-modified cellulose by Kenawy, I.M., Hafez, M.A.H., Ismail, M.A., Hashem, M.A.

“…A novel chemically guanyl-modified cellulose (Gu-MC) − material has been synthesized for the adsorption of Cu2+, Cd2+, Hg2+, Pb2+ and Zn2+ metal ions from…”
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Synthesis and characterization of novel ion-imprinted guanyl-modified cellulose for selective extraction of copper ions from geological and municipality sample by Kenawy, I.M., Ismail, M.A., Hafez, M.A.H., Hashem, M.A.

“…The new ion-imprinted guanyl-modified cellulose (II.Gu-MC) was prepared for the separation and determination of Cu (II) ions in different real samples. Several…”
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Preconcentration and separation of total mercury in environmental samples using chemically modified chloromethylated polystyrene-PAN (ion-exchanger) and its determination by cold vapour atomic absorption spectrometry by Hafez, M.A.H, Kenawy, I.M.M, Akl, M.A, Lashein, R.R

“…The use of chemically modified chloromethylated polystyrene-PAN, CMPS-PAN (ion-exchanger) for the preconcentration and separation of total mercury after…”
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Thermochemical behaviour of α-salicylidene-α-valine and its complexes with cobalt and nickel by Emam, M.E.M., Kenawy, I.M.M., Hafez, M.A.H.

“…Salicylidene-α-valine (KHL) and its complexes with Co(II) and Ni(II) of molecular formulae [CoL(H 2O) · Cl] and [NiLCl], where H 2L is C 6H…”
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Role of some complexing agents during electrodeposition of tellurium by KENAWY, I. M. M, HAFEZ, M. A. H, EL-KHOULY, A. A, GOUDAH, Y. G

“…The uses of electrodeposition processes for the production of Te as a pure metal from different baths containing tellurous acid with some suitable additives…”
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