Výsledky vyhledávání - "S.M. Abdel-Azeem"

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Evaluation of the Peganum harmala plant stems in the removal of total dissolved salts from water

Autor: Magdy D. Madbouly, S.M. Abdel Azeem, Mohamed F. El-Shahat

Publikováno v: DESALINATION AND WATER TREATMENT. 111:165-172

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e5e0a9b03d80f20f0948715b3418a687
https://doi.org/10.5004/dwt.2018.22246

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Solid-phase extraction of Cu, Zn, and Mn from Nile river and tap water prior to flame atomic absorption determination

Autor: S.M. Attaf, S.M. Abdel Azeem, M.F. El Shahat

Publikováno v: Desalination and Water Treatment. 57:21893-21903

In this study, we preconcentrated Cu, Zn, and Mn from Nile river and tap water at Cairo City (Egypt) by solid-phase extraction prior to flame AAS determination. Diacetylmonoxime functionalized silica gel (DMO-SG) was used as sorbent for preconcentrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1a86b6e9ffc6cd9c09922705edc9ea2b
https://doi.org/10.1080/19443994.2015.1129507

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Ultra-high-pressure liquid chromatography–solid-phase clean-up for determining aflatoxins in Egyptian food commodities

Autor: S.M. Abdel-Azeem, M.A. Diab, Mohamed F. El-Shahat

Publikováno v: Journal of Food Composition and Analysis. 44:18-24

In this work, we determined the content of regulated aflatoxins (ATs) B1, B2, G1, and G2 in food commodities using solid-phase extraction (SPE) and ultra-high-pressure liquid chromatography with fluorescence detection without derivatization. We extra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d21f799efc104c8a878e474c37141af
https://doi.org/10.1016/j.jfca.2015.06.005

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Determination of trace metal ions in water and plant samples using polyurethane foam modified with 2-aminothiazole

Autor: N. Burham, Mohamed F. El-Shahat, S.M. Abdel-Azeem, Sayed R. Abdel-Hafeez

Publikováno v: Desalination and Water Treatment. :1-12

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) from water, black tea, and plant leaves prior to flame atomic absorption spectrometr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27636d0d5b46c25e5bc807116fcf167a
https://doi.org/10.1080/19443994.2014.965220

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Retention profile of Fe, Mn and Cu onto chemically treated polyurethane with carbon disulfide

Autor: S.M. Abdel-Azeem, Mohamed F. El-Shahat, N. Burham, Sayed R. Abdel-Hafeez

Publikováno v: International Journal of Environmental Analytical Chemistry. 93:1413-1427

Dithiocarbamate modified polyurethane foam (DTC-PUF) was synthesized as a new solid-phase extraction sorbent for the preconcentration and determination of Fe(II), Mn(II) and Cu(II) in environmental samples using flame atomic absorption spectrometry.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d5fa16b749280ef27911918ff42d8b3
https://doi.org/10.1080/03067319.2013.763249

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Acetylacetone phenylhydrazone functionalized polyurethane foam: Determination of copper, zinc and manganese in environmental samples and pharmaceutics using flame atomic absorption spectrometry

Autor: S.M. Abdel Azeem, Mohamed F. El-Shahat, S.M. Mohamed Attaf

Publikováno v: Reactive and Functional Polymers. 73:182-191

In the present work, acetylacetone phenylhydrazone (AAPH) was chemically anchored to polyurethane foam (PUF) via azo coupling of the toluidine NH 2 in PUF to active CH 2 in acetylacetone (AA) and further reaction to phenylhydrazine to give new solid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9819a1ae6ba0eb112f74a2cd87678bb
https://doi.org/10.1016/j.reactfunctpolym.2012.10.007

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Determination of heavy metal ions in environmental samples employing preconcentration on novel resins of polyurethane foam linked with o-Aminophenol or o-Hydroxyphenylazonaphthol

Autor: Mohamed F. El-Shahat, N. Burham, S.M. Abdel-Azeem

Publikováno v: International Journal of Environmental Analytical Chemistry. 91:197-212

o-Aminophenol (AP) and its azo derivative with s-Naphthol(Naph) is bonded to polyurethane foam (BPUF) and used as solid phase extractor of nickel, cadmium and zinc ions in aqueous solutions prior to their atomic absorption spectrometric determination

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d28ef34bd889d382b97d1496db22b81d
https://doi.org/10.1080/03067310903276290

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