A magnetic solid phase extraction procedure for Pb(II) at trace levels on magnetic Luffa@TiO2 in food and water samples

Ahmed, Hassan Elzain Hassan; Mohammed, Ari A.; Soylak, Mustafa

doi:10.1016/j.foodchem.2023.136794

Cited by 27 publications

(6 citation statements)

References 43 publications

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“…In an acidic media, the metal ions usually exist as independent, hydrated forms, whereas in a basic solution, they tend to create hydroxide complexes or solid particles. 52,53 The effect of pH on the adsorption of Bi(III) on MgAl2O4@MoSe2 was investigated in the range of 3 − 10 as shown in Fig. 3a.…”

Section: Methods Optimizationmentioning

confidence: 99%

“…The temporal extent of adsorption significantly influences the quantity of analytes sequestered by the solid phase, a parameter subject to modulation by various factors including the inherent characteristics of the analytes, the properties inherent to the solid phase, and the composition of the sample matrix. 53 To obtain the maximum efficiency of absorption and desorption of Bi(III) over adsorbent the preconcentration studies were conducted at different vortex times ranging from hand shaking to 3 min as shown in Fig. 3c.…”

Section: Methods Optimizationmentioning

confidence: 99%

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MgAl2O4@MoSe2 Nanocomposite For Micro Solid-Phase Extraction Of Traces Bismuth From Food, Water, And Cosmetic Samples Prior To Quantitation By FAAS

Soylak

2023

At.Spectrosc.

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MgAl2O4@MoSe2 nanocomposite was used to separate-preconcentrate bismuth ions for micro solid phase extraction (µ-SPE). FT-IR, SEM, XRD, SEM-Mapping and SEM-EDX were used to find out about the functional groups, surface morphology, surface area, elemental composition, and crystalline structure of MgAl2O4@MoSe2. Analytical parameters, such as pH, adsorbent dose, sample volume, eluent concentration and volume, vortex time, and matrix effect, were optimized to get the best recovery values. Under optimized experimental conditions and by using FAAS measurements, analytical parameters were calculated, such as the limit of detection, the limit of quantification, the preconcentration factor, the enhancement factor (EF), the relative standard deviation, the sample volume, and the eluent volume as 0.012 μg L -1 , 0.04 μg L -1 , 10, 8.69, 5.5, 30 mL, and 3.0 mL, respectively. The validation of the presented procedure was checked by the analysis of certified reference materials and the addition-recovery test to real samples. The presented method was applied for the determination of bismuth contents of natural water, food, and cosmetic products. Two certified reference materials (CRMs) (NCS ZC 73028 Rice and NCS ZC 73036 Green tea) were used for the validation of the presented method.

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Section: Methods Optimizationmentioning

confidence: 99%

Section: Methods Optimizationmentioning

confidence: 99%

MgAl2O4@MoSe2 Nanocomposite For Micro Solid-Phase Extraction Of Traces Bismuth From Food, Water, And Cosmetic Samples Prior To Quantitation By FAAS

Soylak

2023

At.Spectrosc.

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“…The importance of pH in obtaining quantitative recoveries becomes more significant in the metal sorption process when a ligand is not employed. 51,52 The % recovery of Cu(II) and Ni(II) ions on ZnMnAl LDH nanoparticles was investigated in the pH range of 4.0-9.0 (Fig. 3(i)).…”

Section: Optimization Studymentioning

confidence: 99%

“…LDHs can also induce the precipitation of metal hydroxides when the concentration of metal ions exceeds their solubility limit, resulting in metal hydroxides precipitating onto the LDH surface and facilitating the efficient removal of metal ions from the solution. [52][53][54][55][56][57] In this case only electrostatic interactions and isomorphic substitution may happen. Precipitation of metal hydroxides cannot happen due to this adsorption was done within neutral media (pH = 7.0).…”

Section: Optimization Studymentioning

confidence: 99%

“…Optimization studies are required to achieve a balance between maximum extraction efficiency and the minimum sorbent amount. 52,53 The quantity of sorbent was optimized in the range of 5-25 mg to achieve substantial recovery values while minimizing sorbent usage. It was determined that the minimum amount of sorbent required for quantitative recovery of both analytes was 5 mg, as shown in Fig.…”

Section: Optimization Studymentioning

confidence: 99%

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A New Micro-Solid Phase Extraction Using ZnMnAl LDH Nano-Sorbent For Cu And Ni Determination In Natural Water And Soil

Soylak

2024

At.Spectrosc.

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Layered double hydroxides (LDHs) are a class of materials that may be readily synthesized in a laboratory environment. This work successfully conducted the synthesis of a new nanomaterial (ZnMnAl LDH). The characterization of this material was accomplished utilizing many analytical techniques, including FTIR, XRD, SEM-mapping, and FE-SEM. ZnMnAl LDH was employed to separate and enrich Cu(II) and Ni(II) from soil and water samples. The Cu and Ni ions were eluted from ZnMnAl LDH nanoparticles by using 2 mL of 0.1 mol L −1 of HNO3. The metal ions were quantified using flame atomic absorption spectrometry (FAAS). An investigation was conducted to examine the impact of many analytical factors on the efficiency of metal ions' extraction. These parameters include pH, sorbent amount, eluent volume, eluent concentration, sample volume, and possible interfering ions. The detection limits for Cu(II) and Ni(II) were found to be 0.74 and 0.52 μg kg −1 , respectively. In addition, the relative standard deviation (RSD%) for Cu(II) is 3.8 and for Ni(II) is 1.9. The linear range for both analytes is 50-1000 μg L −1 , and the preconcentration factor is 15 for both. The method's validation was verified by the analysis of certified reference materials, namely BCR-505 estuarine water and GBW07429 (GSS-15) soil. For soil samples, Ni(II) and Cu(II) concentrations vary from 9.8 to 62.8 mg kg -1 and 9.9 to 73.5 mg kg -1 , respectively. The technique described was used to quantify trace concentrations of copper (Cu) and nickel (Ni) in samples of both natural water and soil.

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Preconcentration of bismuth using nickel hydroxide nanoflower from water samples and determination by FAAS

Yıldız,

Durukan,

Şaylan

et al. 2024

Environ Monit Assess

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A magnetic solid phase extraction procedure for Pb(II) at trace levels on magnetic Luffa@TiO2 in food and water samples

Cited by 27 publications

References 43 publications

MgAl2O4@MoSe2 Nanocomposite For Micro Solid-Phase Extraction Of Traces Bismuth From Food, Water, And Cosmetic Samples Prior To Quantitation By FAAS

MgAl2O4@MoSe2 Nanocomposite For Micro Solid-Phase Extraction Of Traces Bismuth From Food, Water, And Cosmetic Samples Prior To Quantitation By FAAS

A New Micro-Solid Phase Extraction Using ZnMnAl LDH Nano-Sorbent For Cu And Ni Determination In Natural Water And Soil

Preconcentration of bismuth using nickel hydroxide nanoflower from water samples and determination by FAAS

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