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Preconcentration and separation of Cd(II), Co(II), Cu(II), Ni(II), and Pb(II) in environmental samples on cellulose nitrate membrane filter prior to their flame atomic absorption spectroscopy determinations
Faculty
Science
Year:
2023
Type of Publication:
ZU Hosted
Pages:
364-377
Authors:
Ayman AboulFotouh Gouda Sallem
Staff Zu Site
Abstract In Staff Site
Journal:
International Journal of Environmental Analytical Chemistry Taylor and Francies
Volume:
2
Keywords :
Preconcentration , separation , Cd(II), Co(II), Cu(II), Ni(II),
Abstract:
A new and sensitive enrichment membrane filtration method was applied for the preconcentration and separation of trace amounts of Cd(II), Co(II), Cu(II), Ni(II), and Pb(II) ions from environmental (water and food) samples prior to their flame atomic absorption spectrometric (FAAS) determinations. The method was based on the collection of analyte ions as quinalizarin complexes on cellulose nitrate membrane filter and then eluted using nitric acid. The concentration levels of Cd(II), Co(II), Cu(II), Ni(II), and Pb(II) ions in the final solutions were determined by FAAS. Various analytical parameters which affect the collection and determination of metal ions including pH, amounts of quinalizarin, sample volume, type and size of the membrane filter, flow rates and matrix effects were investigated. The analyte ions recovery values were measured and found to be in the range of 95–101%. The relative standard deviation (RSD%) was measured to determine the precision of the proposed approach and was found to be ≤5.0%. The detection limits for the proposed method were in the range of 0.1–0.7 μg L−1. The preconcentration factors were 100 and 125 for (Cd(II), Co(II), Cu(II) and Ni(II)) and Pb(II), respectively. The validation of the proposed method was verified by the analysis of certified reference materials. Satisfactory results for separation and preconcentration trace levels of the analyte ions in water and food samples.
Author Related Publications
Ayman AboulFotouh Gouda Sallem, "Solid-phase extraction using multiwalled carbon nanotubes and quinalizarin for preconcentration and determination of trace amounts of some heavy metals in food, water and environmental samples", Taylor and Francis, 2014
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Ayman AboulFotouh Gouda Sallem, "Cloud point extraction, preconcentration and spectrophotometric determination of trace amount of manganese(II) in water and food samples", Science direct, 2014
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Ayman AboulFotouh Gouda Sallem, "Development and validation of a rapid stability indicating HPLC-method using monolithic stationary phase and two spectrophotometric methods for determination of antihistaminic acrivastine in capsules", Science direct, 2014
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Ayman AboulFotouh Gouda Sallem, "Spectrophotometric Determination of Gemifloxacin Mesylate, Moxifloxacin Hydrochloride, and Enrofloxacin in Pharmaceutical Formulations Using Acid Dyes", Hindawi Publishing Corporation, 2014
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Ayman AboulFotouh Gouda Sallem, "EXTRACTIVE SPECTROPHOTOMETRIC DETERMINATION OF VARDENAFIL HCL AND YOHIMBINE HCL IN PURE AND PHARMACEUTICAL DOSAGE FORMS", J. Chil. Chem. Soc, 2014
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