Search Results - "Azeem, Sami M. Abdel"

Magnetic Biochar by One-Step Impregnation Pyrolysis of Peganum harmala L. for Removal of Rhodamine B by Alharbi, Abdulrahman F., Alotaibi, Abdullah A., Gomaa, Hassan E. M., Abahussain, Abdulaziz A. M., Abdel Azeem, Sami M.

“…A new magnetic P. harmala biochar/Mn-ZnFe2O4 material was prepared by the one-step pyrolysis approach and characterized by FT-IR, SEM, XRD, and BET techniques…”
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Digital image determination of copper in food and water after preconcentration and magnetic tip separation for in-cavity desorption/color development by Alharbi, Walaa, Alharbi, Khadijah H., Alotaibi, Abdullah A., Gomaa, Hassan E.M., Abdel Azeem, Sami M.

“…[Display omitted] •Novel approach of digital-image based method combined to SPE.•In-situ Cu(II) desorption and spot color development using iodide-starch…”
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Analysis of total phenolic compounds in tea and fruits using diazotized aminobenzenes colorimetric spots by Abdel Azeem, Sami M., Al Mohesen, Ibrahem A., Ibrahim, Ahmed M.H.

“…•New colorimetric Spots for total phenolic compounds (TPCs).•Fast and reliable digital-image based (DIB) method.•Application to TPCs determination in tea and…”
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On-line Determination of Zinc in Water and Biological Samples after Its Preconcentration onto Zincon Anchored Polyurethane Foam by AZEEM, Sami M. Abdel, HANAFI, Hassan A., EL-SHAHAT, M. F.

“…A fast and sensitive on-line procedure for the determination of zinc in water and biological samples was developed. Zinc was preconcentrated in a mini-column…”
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Separation of nickel and cadmium from aqueous solutions by flow injection preconcentration onto cadion functionalized polyurethane foam by Abdel Azeem, Sami M., Hanafi, Hassan A., El-Nadi, Yasser, El-Shahat, Mohamed F.

“…•Novel Cadion bonded polyurethane foam as selective sorbent.•Binary elements (Cd &Ni) on-line SPE spectrophotometric determination.•Comparable or better…”
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Selective Separation and Preconcentration of Caffeine from Natural and Pharmaceutical Products using New Polyurethane Foams by Ali, Samah, Azeem, Sami M. Abdel, Naqvi, Arshi, El-Shahat, Mohamed F., Mohamed, Amr

“…Abstract Two polyurethane foam-based sorbents (PUF) were synthesized by imprinting and grafting techniques and examined for selective separation and…”
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Flow Injection Sensing Strategy for Determining Cationic Surfactants in Commodity and Water Samples by El Hamd, Mohamed A, El-Maghrabey, Mahmoud, Abdel-Lateef, Mohamed A, Ali, Samah M, Ibrahim, Munjed M, El-Shahat, Mohamed F, Azeem, Sami M. Abdel

“…The formation of stable binary water-soluble sub-micellar aggregates of cetyltrimethylammonium bromide-copper-pyrocatechol violet complex (CTAB-Cu-PCV)…”
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Determination of lead and cadmium in tap water and apple leaves after preconcentration on a new acetylacetone bonded polyurethane foam sorbent by Burham, Nagwa, Abdel-Azeem, Sami M., El-Shahat, Fathy

“…The present work describes a rapid, cost-effective analytical procedure for the determination of lead and cadmium in environmental samples by off-line…”
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Polyaniline/banana peel composite: an eco-friendly adsorbent for removal of dihydrogen phosphate from groundwater by Alotaibi, Abdullah A., Alharbi, Abdulrahman F., Ibrahim, Ahmed M.H., Abdel Azeem, Sami M.

“…A low-cost polyaniline/banana peel (PAni/BP) composite was prepared by oxidative polymerization of aniline in the presence of agricultural waste BP powder and…”
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Magnetic nanocomposite of zinc–manganese ferrite/polyurethane foam for adsorption of copper and cadmium from water by Abdel Azeem, Sami M., Wahsh, Mohamed M.S., Youssef, Fatma H., Ibrahim, Ahmed M.H., Burham, Nagwa

“…The magnetic nanoparticles, zinc–manganese ferrite (Zn0.6Mn0.4Fe2O4), were chemically added to polyurethane foam (PUF) to obtain the polymeric nanocomposite…”
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Heavy metal pollution in well water and ecological risk assessment for the surrounding soil by Almohisen, Ibrahem A.A., Abdel Azeem, Sami M., Madbouly, Magdy D.

“…The present study aims to evaluate the level of heavy metal contamination of well water and soil in the Al-Quwayiyah governorate, Kingdom of Saudi Arabia…”
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Determination of trace metal ions in water and plant samples using polyurethane foam modified with 2-aminothiazole by Burham, Nagwa B., Abdel-Azeem, Sami M., Abdel-Hafeez, Sayed R., El-Shahat, Mohamed F.

“…2-Aminothiazole (AT) was covalently bonded to polyurethane foam (PUF) via –N=N–NH– group and used for preconcentration/separation of Ni(II), Zn(II), and Cd(II)…”
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Retention profile of Fe, Mn and Cu onto chemically treated polyurethane with carbon disulfide by Burham, Nagwa, Abdel-Hafeez, Sayed R., Abdel-Azeem, Sami M., El-Shahat, Mohamed F.

“…Dithiocarbamate modified polyurethane foam (DTC-PUF) was synthesized as a new solid-phase extraction sorbent for the preconcentration and determination of…”
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Magnetic solid-phase extraction of trace elements in water and fish using greenly synthesized MnFe2O4 @ cabbage hydrochar/chitosan ternary composite by Attaf, Salma M.M., Alotaibi, Rajeh, Alotaibi, Abdullah A., Abdel Azeem, Sami M.

“…A new analytical method for determining lead, cadmium, and copper in water and fish was established employing a novel synthesized magnetic eco-friendly ternary…”
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Determination of Nitrite in Processed Meat Using Digital Image Method and Powdered Reagent by Azeem, Sami M. Abdel, Madbouly, Magdy D., El-Shahat, Mohamed F.

“…•Spot color reactions based on chrysoline resorcinol azo dye.•Development of a new DIB method.•Application to nitrite determination in processed…”
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