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Tossi de A Costa EC, de Castro Dantas TN, da Silva DR, de A Maranhão T. A new method for extraction and pre-concentration of the heavy metals using a microemulsion system in winsor II equilibrium and determination by HR-CS AAS. CHEMOSPHERE 2023; 338:139428. [PMID: 37437620 DOI: 10.1016/j.chemosphere.2023.139428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/30/2023] [Accepted: 07/04/2023] [Indexed: 07/14/2023]
Abstract
For the very first time, a microemulsion system in the Winsor II (WII) equilibrium was applied in a sample preparation method for extraction and pre-concentration in the determination of Pb, Cd, Co, Tl, Cu and Ni, in natural waters by high resolution continuum source atomic absorption spectrometry (HR-CS AAS). The method was optimized using the graphite furnace atomization. A simplex-centroid design for determine optimum extraction condition (77.5% aqueous phase, 5% of the oil phase, and 17.5% cosurfactant/surfactant ratio - C/S = 4) was applied. The optimized time for the sample preparations was around 30 min. The analytical performance of the optimized method using HR-CS GF AAS showed that the detection limits were: 0.09, 0.01, 0.06, and 0.05 μg L-1 for determination of Pb, Cd, Tl, and Co, respectively and the enrichment factors were between 6 and 19, considered excellent for all analytes. The RSD values were lower than 5%, demonstrating the good precision of the proposed method. When the optimized method was applied using the HR-CS F AAS, the sensibility increased 9 to 12 times for Cu and Ni, respectively. The analytical method was successfully applied for the determination of analytes in Certified Reference Material and real samples for natural waters such as Brackish water (recovery between 107 and 112%), Saline water (recovery between 83 and 94%), Produced water from oil industry (recovery between 98 and 110%) and Fresh water (recovery 80 and 87% to Cu and Ni respectively). All the results confirming the accuracy of the analytical method proposed. The repeatability of the measurements has been better 5% (n = 3), for all elements.
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Affiliation(s)
- Emily Cintia Tossi de A Costa
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Núcleo de Processamento Primário e Reuso de Água Produzida, NUPPRAR, 59078-970, Natal, Brazil.
| | - Tereza N de Castro Dantas
- Instituto de Química, Universidade Federal do Rio Grande do Norte, Núcleo de Processamento Primário e Reuso de Água Produzida, NUPPRAR, 59078-970, Natal, Brazil
| | | | - Tatiane de A Maranhão
- Departamento de Química - Universidade Federal de Santa Catarina, 88034-001, Florianópolis, SC, Brazil
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2
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A review on extraction, preconcentration and speciation of metal ions by sustainable cloud point extraction. Microchem J 2022. [DOI: 10.1016/j.microc.2021.107150] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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3
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Karuk Elmas SN. A simple and rapid determination of Al(III) in natural water samples using dispersive liquid-liquid microextraction after complexation with a novel antipyrine-based Schiff base reagent. ENVIRONMENTAL MONITORING AND ASSESSMENT 2021; 194:47. [PMID: 34970705 DOI: 10.1007/s10661-021-09701-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 12/16/2021] [Indexed: 06/14/2023]
Abstract
The purpose of this study is the development of a novel strategy for the determination of Al3+ ions using the combination of dispersive liquid-liquid microextraction (DLLME) and UV-Vis spectrophotometry. The method is grounded in the complexation between a novel antipyrine-based Schiff base reagent (EHMP) and Al3+ ions. Aluminum concentrations were detected using UV-Vis spectrophotometry at 260 nm and this technique was optimized using the absorbance value of EHMP-Al complex. pH, mixing period, type and volume of organic solvent, etc. were optimized stepwise in order to find out optimum experimental conditions. The limit of detection and the limit of quantification values for the improved analytical method were to be estimated 0.31 and 1.03 μmol.L-1, respectively. The new strategy was successfully performed to define Al3+ ions in natural water samples with RSD values (84.01-107.71%) and recovery values (0.01-0.09%).
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Affiliation(s)
- Sukriye Nihan Karuk Elmas
- Department of Chemistry, Kamil Ozdag Science Faculty, Karamanoglu Mehmetbey University, 70100, Karaman, Turkey.
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4
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Synthesis, characterization, and application of polyacrylamide/carmine polymer nanomaterial as an effective solid-phase material for ultrasonic-assisted solid-phase microextraction of aluminum and chromium in vegetable samples. CHEMICAL PAPERS 2021. [DOI: 10.1007/s11696-021-01960-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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Gouda AA, Subaihi A, El Hay SSA. Green Supramolecular Solvent-Based Liquid-Phase Microextraction Method for Spectrophotometric Determination of Aluminum in Food, Water, Hair and Urine Samples. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666190117130822] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Aluminum Al(III) is the most significant metal in the earth's crust to which
humans are frequently exposed and has several industrial applications. On the other hand, Al (III) has
high potential toxic impacts on some human pathologies like Parkinson and Alzheimer's disease. So,
it is very important to monitor and determine the trace level of Al (III) in various environmental and
biological samples.
Objective:
In the present work, a novel green supramolecular Solvent-Based Liquid-Phase
Microextraction (SS-LPME) procedure has been developed to preconcentrate and determine
aluminum (III) in various real samples.
Methods:
The proposed procedure was based on the application of 1-decanol/THF as a
Supramolecular Solvent (SS) system and quinalizarin as a chelating agent. Al(III)-quinalizarin
hydrophobic complex was obtained at pH 7.0, extracted into supramolecular solvent phase (1-
decanol/THF), centrifuged and then measured spectrophotometrically at 580 nm. The impact of
different analytical parameters on the microextraction efficiency was studied and optimized. The
validation of the proposed preconcentration procedure was checked using certified reference
materials.
Results:
The calibration curve was linear in the range of 2.0-150 μg L-1. The developed method has
preconcentration factor of 40 and detection limit (LOD) was 0.20 μg L-1. The precision of the method
was confirmed with low relative standard deviation (RSD ≤ 1.0%).
Conclusion:
This study explores the effectiveness of quinalizarin for the first time together with SS
to develop green SS-LPME method to preconcentrate and separate trace quantities of Al (III) in real
water, fruit juice, food, hair, and urine samples collected from Saudi Arabia.
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Affiliation(s)
- Ayman A. Gouda
- Faculty of Public Health and Health Informatics, Umm Al Qura University, Makkah, Saudi Arabia
| | - Abdu Subaihi
- Chemistry Department, Al-Qunfidhah University College, Umm Al-Qura University, Mecca, Saudi Arabia
| | - Soad S. Abd El Hay
- Faculty of Pharmacy, Department of Analytical Chemistry, Zagazig University, Zagazig 44519, Egypt
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Mukherjee S, Betal S, Chattopadhyay AP. Dual sensing and synchronous fluorescence spectroscopic monitoring of Cr 3+and Al 3+ using a luminescent Schiff base: Extraction and DFT studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 228:117837. [PMID: 31784221 DOI: 10.1016/j.saa.2019.117837] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 10/27/2019] [Accepted: 11/19/2019] [Indexed: 06/10/2023]
Abstract
A well designed, new pyrene based small molecule (L) was synthesized from 1:1 condensation reaction of 1-aminopyrene and 6-(1,3-benzodioxal-5-yl)-2-pyridine carboxaldehyde which was characterized by absorption, emission spectrometry, FTIR, NMR and mass studies. Interestingly the UV-vis and fluorescence spectroscopic studies revealed that the ligand (L) works as a dual turn-on luminescent chemosensor for chromium(III) (Cr3+) and aluminium(III) (Al3+) in aqueous environment which were further supported by DFT and TDDFT studies. L shows a significant colour change from pale yellow to reddish yellow with a detection limit of ~10-9 M in the presence of Cr3+ and Al3+ whereas there were no noteworthy changes in the presence of other monovalent and divalent metal ions. The molecular signaling in the presence of Cr3+, Al3+, Fe3+ and EDTA was compared with advanced level combinational INHIBIT gate based on 4 input logic gates. Herein, first derivative constant wavelength synchronous fluorescence spectroscopy (1st DCWSFS) was applied for the determination of Cr3+, Al3+ ion concentrations in a mixture via increment of spectral resolution of the respective overlapping peaks. 1st DCWSFS is reported to be used in pharmaceuticals but very few works have been done for determination of metal ion concentration in environmental sample without prior separation. The individual Cr3+and Al3+ ion concentrations in a mixture were determined through liquid-liquid extraction process and the efficiencies were compared with 1st derivative SFS method. It was observed that 1st derivative SFS process is more efficient than conventional liquid-liquid extraction process. Therefore, 1st DCWSFS method using sensor L might be useful as a diagnostic tool for detection of individual metal ion concentrations (Cr3+ and Al3+) from a mixture which will be cost-effective, time saving and more precise.
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Affiliation(s)
- Soma Mukherjee
- Department of Environmental Science, University of Kalyani, Kalyani, Nadia - 741235, West Bengal, India.
| | - Soumi Betal
- Department of Environmental Science, University of Kalyani, Kalyani, Nadia - 741235, West Bengal, India
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An environment-friendly supramolecular solvent-based liquid–phase microextraction method for determination of aluminum in water and acid digested food samples prior to spectrophotometry. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104100] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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8
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El Sheikh R, Atwa M, Gouda A, Abdullah A. Application of cloud point extraction for preconcentration, separation and determination of Aluminum in food samples. MAIN GROUP CHEMISTRY 2019. [DOI: 10.3233/mgc-180751] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Ragaa El Sheikh
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
| | | | - Ayman Gouda
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
- Faculty of Public Health and Health Informatics, Umm AL-Qura University, Makkah, Saudi Arabia
| | - Amira Abdullah
- Department of Chemistry, Faculty of Science, Zagazig University, Zagazig, Egypt
- Food Technology Research Institute, Giza, Egypt
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Shokrollahi A, Ahmadi S. Determination of trace amounts of Brown HT as a food dye by a CPE-scanometry method. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2018. [DOI: 10.1016/j.jtusci.2016.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
| | - S. Ahmadi
- Department of Chemistry, Yasouj University Yasouj Iran
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10
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Extraction and preconcentration of trace Al and Cr from vegetable samples by vortex-assisted ionic liquid-based dispersive liquid–liquid microextraction prior to atomic absorption spectrometric determination. Food Chem 2018; 245:586-594. [DOI: 10.1016/j.foodchem.2017.10.134] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 10/23/2017] [Accepted: 10/25/2017] [Indexed: 11/18/2022]
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11
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Santarossa DG, Talio MC, Fernández LP. Aluminium traces determination in biological and water samples using a novel extraction scheme combined with molecular fluorescence. Microchem J 2016. [DOI: 10.1016/j.microc.2016.06.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Lashgari N, Badiei A, Mohammadi Ziarani G. A Fluorescent Sensor for Al(III) and Colorimetric Sensor for Fe(III) and Fe(II) Based on a Novel 8-Hydroxyquinoline Derivative. J Fluoresc 2016; 26:1885-94. [PMID: 27444961 DOI: 10.1007/s10895-016-1883-3] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 07/12/2016] [Indexed: 01/19/2023]
Abstract
A novel 8-hydroxyquinoline-based fluorescent and colorimetric chemosensor was designed, synthesized and fully characterized. The sensor showed high selectivity and sensitivity toward Al(3+) over other tested cations in EtOH/H2O (1:99, v/v) medium. The increase in fluorescence intensity was linearly proportional to the concentration of Al(3+) with a detection limit of 7.38 × 10(-6) M. Moreover, the sensor exhibited an obvious color change from yellow to black in the presence of Fe(2+) and Fe(3+) in EtOH/THF (99:1, v/v) solution. The absorbance changes showed a linear response to iron ions with the detection limits of 4.24 × 10(-7) M and 5.60 × 10(-7) M for Fe(2+) and Fe(3+), respectively. Thus, this chemosensor provides a novel approach for selectively recognition of Al(3+), Fe(3+) and Fe(2+) among environmentally relevant metal ions.
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Affiliation(s)
- Negar Lashgari
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Alireza Badiei
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran. .,Nanobiomedicine Center of Excellence, Nanoscience and Nanotechnology Research Center, University of Tehran, Tehran, Iran.
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13
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Quantitative determination of Cr in ink by laser-induced breakdown spectroscopy(LIBS) using ZnO as adsorbent. Chem Res Chin Univ 2015. [DOI: 10.1007/s40242-015-5210-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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14
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Arain MS, Arain SA, Kazi TG, Afridi HI, Ali J, Arain SS, Brahman KD, Mughal MA. Temperature controlled ionic liquid-based dispersive micro-extraction using two ligands, for determination of aluminium in scalp hair samples of Alzheimer's patients: a multivariate study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2015; 137:877-885. [PMID: 25280335 DOI: 10.1016/j.saa.2014.08.068] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2014] [Revised: 08/18/2014] [Accepted: 08/23/2014] [Indexed: 06/03/2023]
Abstract
A green and sensitive temperature controlled dispersive liquid-liquid microextraction (TIL-DLLME) methodology based on the application of ionic liquid 1-butyl-3-methylimidazolium hexafluorophosphate, [C4mim][PF6], as an extractant solvent was proposed for the preconcentration of trace levels of aluminium (Al(3+)) in scalp hair samples of Alzheimer's (AD) patients, prior to analyzing by flame atomic absorption spectrometry (FAAS). The Al(3+) was complexed with 8-hydrooxyquinoline (oxine) (L1) and 3,5,7,2'-4' pentahydroxy flavone (morin) (L2) separately and then extracted by IL at temperature (50±2.0°C). Some effective factors that influence the TIL-DLLME efficiency such as pH, ligands concentrations, volume of IL, ionic strength, and incubation time were investigated and optimized by multivariate analysis. In the optimum experimental conditions, the limit of detection (3s) and enhancement factor were 0.56 μg L(-1), 0.64 μg L(-1) and 85, 73 for both ligands, respectively. The relative standard deviation (RSD) for six replicate determinations of 100 μg L(-1) Al(3+) complexed with oxine and morin were found to be 3.88% and 4.74%, respectively. The developed method was validated by the analysis of certified reference material of human hair (NCSZC81002).and applied satisfactorily to the determination of Al(3+) in acid digested scalp hair samples of AD patients and healthy controls. The resulted data shows significant higher level in scalp hair samples of AD male patients with related to referents of same age and socioeconomic status.
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Affiliation(s)
- Mariam S Arain
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan.
| | - Salma A Arain
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan.
| | - Tasneem G Kazi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan.
| | - Hassan I Afridi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan.
| | - Jamshaid Ali
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan.
| | - Sadaf S Arain
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan
| | - Kapil Dev Brahman
- National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan.
| | - Moina Akhtar Mughal
- Dr M.A. Kazi Institute of Chemistry University of Sindh, Jamshoro 76080, Pakistan.
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16
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Shokrollahi A, Aghaei R. Spectrophotometeric determination of trace amounts of Al3+ ion in water samples after cloud point extraction using quinizarin as a complexing agent. ENVIRONMENTAL MONITORING AND ASSESSMENT 2014; 186:1113-1121. [PMID: 24065134 DOI: 10.1007/s10661-013-3442-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Accepted: 09/14/2013] [Indexed: 06/02/2023]
Abstract
In this study, cloud point extraction was used for the preconcentration of Al(3+) ion after the complex formation with 1,4-dihydroxy-9,10-anthraquinone (Quinizarin [QUIN]), and subsequent analysis by spectrophotometeric method, using Triton X-114 as surfactant. The optimal extraction and reaction conditions were studied (i.e., pH = 5.5, 0.1 mM QUIN, Triton X-114 = 0.1% (w/v)), and the analytical characteristics of the method (e.g., limit of detection, linear range, preconcentration, and enrichment factors) were obtained. Linearity was obeyed in the range of 3.33-166.67 ng ml(-1) of Al(3+) ion. The detection limit of the method was 2.09 ng ml(-1) for Al(3+) ion. The interference effect of some anions and cations was also tested. The method was applied to determine Al(3+) ion in water samples.
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Development of a new method for determination of aluminum (Al) in Jordanian foods and drinks: Solid phase extraction and adsorption of Al3+-d-mannitol on carbon nanotubes. J Food Compost Anal 2014. [DOI: 10.1016/j.jfca.2013.10.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Xu H, Wu Y, Wang J, Shang X, Jiang X. Simultaneous preconcentration of cadmium and lead in water samples with silica gel and determination by flame atomic absorption spectrometry. J Environ Sci (China) 2013; 25 Suppl 1:S45-S49. [PMID: 25078838 DOI: 10.1016/s1001-0742(14)60624-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
A new method that utilizes pretreated silica gel as an adsorbent has been developed for simultaneous preconcentration of trace Cd(II) and Pb(II) prior to the measurement by flame atomic absorption spectrometry. The effects of pH, the shaking time, the elution condition and the coexisting ions on the separation/preconcentration conditions of analytes were investigated. Under optimized conditions, the static adsorption capacity of Cd(II) and Pb(II) were 45.5 and 27.1mg/g, the relative standard deviations were 3.2% and 1.7% (for n = 11), and the limits of detection obtained were 4.25 and 0.60 ng/mL, respectively. The method was validated by analyzing the certified reference materials GBW 07304a (stream sediment) and successfully applied to the analysis of various treated wastewater samples with satisfactory results.
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Affiliation(s)
- Hongbo Xu
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China.
| | - Yun Wu
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Jian Wang
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Xuewei Shang
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
| | - Xiaojun Jiang
- College of Chemical Engineering, University of Science and Technology Liaoning, Anshan 114051, China
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Liu J, Luo K, Song Z. Binding study of lysozyme with Al(III) using chemiluminescence analysis. LUMINESCENCE 2013; 29:630-6. [DOI: 10.1002/bio.2596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 08/21/2013] [Accepted: 09/06/2013] [Indexed: 01/13/2023]
Affiliation(s)
- Jiangman Liu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Material Science; Northwest University; Xi'an China
| | - Kai Luo
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Material Science; Northwest University; Xi'an China
| | - Zhenghua Song
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Material Science; Northwest University; Xi'an China
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Pytlakowska K, Kozik V, Dabioch M. Complex-forming organic ligands in cloud-point extraction of metal ions: a review. Talanta 2013; 110:202-28. [PMID: 23618195 DOI: 10.1016/j.talanta.2013.02.037] [Citation(s) in RCA: 106] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Revised: 02/08/2013] [Accepted: 02/15/2013] [Indexed: 11/18/2022]
Abstract
Cloud-point extraction (CPE), an easy, safe, environmentally friendly, rapid and inexpensive methodology for preconcentration and separation of trace metals from aqueous solutions has recently become an attractive area of research and an alternative to liquid-liquid extraction. Moreover, it provides results comparable to those obtained with other separation techniques and has a greater potential to be explored in improving detection limits and other analytical characteristics over other methods. A few reviews have been published covering different aspects of the CPE procedure and its relevant applications, such as the phenomenon of clouding, the application in the extraction of trace inorganic and organic materials, as well as pesticides and protein substrates from different sources, or incorporation of CPE into an FIA system. This review focuses on general properties of the most frequently used organic ligands in cloud-point extraction and on literature data (from 2000 to 2012) concerning the use of modern techniques in determination of metal ions' content in various materials. The article is divided according to the class of organic ligands to be used in CPE.
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Affiliation(s)
- K Pytlakowska
- Institute of Chemistry, University of Silesia, Katowice, Poland.
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Ulusoy Hİ, Aksoy Ü, Akçay M. Simultaneous pre-concentration of Pb and Sn in food samples and determination by atomic absorption spectrometry. Eur Food Res Technol 2013. [DOI: 10.1007/s00217-013-1929-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Ciftci H, Er C. Solid-phase extraction and separation procedure for trace aluminum in water samples and its determination by high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS). ENVIRONMENTAL MONITORING AND ASSESSMENT 2013; 185:2745-2753. [PMID: 22740156 DOI: 10.1007/s10661-012-2745-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Accepted: 06/14/2012] [Indexed: 06/01/2023]
Abstract
In the present study, a separation/preconcentration procedure for determination of aluminum in water samples has been developed by using a new atomic absorption spectrometer concept with a high-intensity xenon short-arc lamp as continuum radiation source, a high-resolution double-echelle monochromator, and a charge-coupled device array detector. Sample solution pH, sample volume, flow rate of sample solution, volume, and concentration of eluent for solid-phase extraction of Al chelates with 4-[(dicyanomethyl)diazenyl] benzoic acid on polymeric resin (Duolite XAD-761) have been investigated. The adsorbed aluminum on resin was eluted with 5 mL of 2 mol L(-1) HNO(3) and its concentration was determined by high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS). Under the optimal conditions, limit of detection obtained with HR-CS FAAS and Line Source FAAS (LS-FAAS) were 0.49 μg L(-1) and 3.91 μg L(-1), respectively. The accuracy of the procedure was confirmed by analyzing certified materials (NIST SRM 1643e, Trace elements in water) and spiked real samples. The developed procedure was successfully applied to water samples.
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Affiliation(s)
- Harun Ciftci
- Department of Chemistry, Faculty of Science and Arts, Ahi Evran University, Kirsehir, Turkey.
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Pourreza N, Fat'hi MR, Hatami A. Indirect cloud point extraction and spectrophotometric determination of nitrite in water and meat products. Microchem J 2012. [DOI: 10.1016/j.microc.2012.03.026] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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24
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Separation and preconcentration by cloud point extraction procedures for determination of ions: recent trends and applications. Mikrochim Acta 2011. [DOI: 10.1007/s00604-011-0717-x] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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