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Akademický článek

Impact of Ag and α Fe2O3 nanosized material impregnated polyurethane foam solid platforms for removal of chromium (VI) in water: Kinetics, thermodynamic, and reusability

Autor: M.S. El-Shahawi, Z.M. Saigl, H. Alwael, W.S Al-Hawiti, M.M. Dabi, A.A. Al-Malki

Publikováno v: Results in Chemistry, Vol 7, Iss , Pp 101361- (2024)

Nanomaterial involving metal and metal oxide signifies a key driver to the implementation of solid phase microextrractor for complete removal of various pollutants residues in water. Nanomaterials combined with porous polymeric membranes like structu

Externí odkaz: https://doaj.org/article/b270b453d4d14449b776a9c369f5fe8a

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Akademický článek

Synthesis, ligation characteristics and analytical utility of the Schiff base (E)-1-[4-(2,4-dihydroxybenzylidene)-amino)ethanone and its precious group metal (Ru3+, Pt4+ & Ir3+) complexes

Autor: A. Hamza, A.A. Al-Sibaai, H. Alwael, Z.M. Saigl, E.H. Alosaimi, M.S. Refat, M.S. El-Shahawi

Publikováno v: Results in Chemistry, Vol 4, Iss , Pp 100422- (2022)

A series of new Schiff base nano sphere complexes of Ru3+, Pt4+ and Ir3+ of the Schiff base (E)-1-[4-(2,4-dihydroxybenzylidene)-amino)ethanone (H2L) was synthesized and characterized. Formation of non-electrolytic complexes of the general molecular f

Externí odkaz: https://doaj.org/article/8b2b2ba710fe468da99732d60cc53885

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Biogenic Amines Formation Mechanism and Determination Strategies: Future Challenges and Limitations

Autor: Z.M. Saigl, Abdulrahman O. Al-Youbi, Mohammad S. El-Shahawi, Dyab A. Al-Eryani, Waqas Ahmad, Gharam I. Mohammed, Abdulaziz S. Bashammakh, Ciara K. O'Sullivan, H. Alwael

Publikováno v: Critical Reviews in Analytical Chemistry. 50:485-500

The evolution in foodstuff-monitoring processes has increased the number of studies on biogenic amines (BAs), in recent years. This trend with future perspective needs to be assembled to address the associated health risks. Thus, this study aims to c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95840079c7e8f6bd67faf996cc3819a5
https://doi.org/10.1080/10408347.2019.1657793

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A Novel Solid Platform–Based Ag Nanoparticles Chemically Impregnated Activated Carbon for Selective Separation of Tungstate Species in Water: Kinetics and Thermodynamic Study

Autor: L. A. Al-khateeb, M. N. Al-Ahmadi, Z.M. Saigl, Mohammad S. El-Shahawi, F. M. Alshareef

Publikováno v: Water, Air, & Soil Pollution. 231

The level of tungstate in freshwater is disturbing due to its toxicity and its impact to human health. Thus, the current study explores the use of Ag nanoparticle (AgNP)–treated activated carbon (AgNPs/AC) nanocomposite as solid phase extractor (SP

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e004249f5a8250f86a44294838d6540f
https://doi.org/10.1007/s11270-020-04761-1

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Enhancing sensitivity by Triton X-100 in extractive spectrophotometric determination of chromium via transforming the formed binary complex ion associate between chromate and rhodamine 6G into an adduct

Autor: Waqar Ahmad, H. Alwael, Gharam I. Mohammed, M.S. El Shahawi, Z.M. Saigl, Dyab A. Al-Eryani

Publikováno v: Journal of Molecular Liquids. 261:225-231

The reaction of chlorochromate anion (CrO3Cl−) with rhodamine 6G hydrochloride dye (RG+) results in the formation of complex ion associate [RG+·CrO3Cl−] in non-aqueous medium. This study aimed to use t-octylphenoxypolyethoxyethanol polymer (Trit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4054678db466c4aad5568c90bcb8fc71
https://doi.org/10.1016/j.molliq.2018.04.013

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A promazine derivative-oriented chemical sensor for ultra-sensitive chromium determination

Autor: Gharam I. Mohammed, Dyab A. Al-Eryani, Mohammad S. El-Shahawi, A. H. Al-Bagawi, H. Alwael, Wan Azlina Ahmad, Z.M. Saigl

Publikováno v: New Journal of Chemistry. 42:6498-6506

The study reports a simple and highly selective spectrofluorometric method for trace determination and speciation of chromium(III & VI) species in water using 10-(3-dimethylaminopropyl) phenothiazine hydrochloride, namely, promazine hydrochloride (PM

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ec235b94b246e00c3ffa3883b8340e9d
https://doi.org/10.1039/c7nj05131j

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A simple and low cost dual-wavelength β-correction spectrophotometric determination and speciation of mercury(II) in water using chromogenic reagent 4-(2-thiazolylazo) resorcinol

Autor: Z.M. Saigl, H. Alwael, M.S. El-Shahawi, Wan Azlina Ahmad, Eman A. Al-Harbi, A. H. Al-Bagawi

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 187:174-180

The most common problems in spectrophotometric determination of various complex species originate from the background spectral interference. Thus, the present study aimed to overcome the spectral matrix interference for the precise analysis and speci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec68cd38f8c779ce597abc230a10c22e
https://doi.org/10.1016/j.saa.2017.06.044

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Akademický článek

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