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Liu JL, Zhou XM, Sun M, Jia AQ, Shi HT, Zhang QF. A resorcinarene based chelating agent for selective cloud point extraction of Pb2+ ions in water: Synthesis, structural characterization and analytical applications. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023] Open
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2
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Ay E, Tekin Z, Özdoğan N, Bakırdere S. Zirconium Nanoparticles Based Vortex Assisted Ligandless Dispersive Solid Phase Extraction for Trace Determination of Lead in Domestic Wastewater using Flame Atomic Absorption Spectrophotometry. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 108:324-330. [PMID: 34215925 DOI: 10.1007/s00128-021-03318-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 06/22/2021] [Indexed: 06/13/2023]
Abstract
In this paper, a sensitive and simple zirconium nanoparticles (Zr-NPs) based vortex assisted ligandless dispersive solid phase extraction (VA-LDSPE) method was developed for the preconcentration of lead from wastewater samples for the determination by slotted quartz tube-flame atomic absorption spectrometry (SQT-FAAS). Zr-NPs were synthesized using zirconium (IV) chloride salt as a starting material through a simple reduction process with sodium borohydride, and used as selective adsorbent for the extraction of lead ions from aqueous medium. Single variant experiments were carried out for all optimizations of sorption/desorption steps including pH of solution, amount of nanoparticles, mixing type/period and eluent type. An SQT with five round slots was placed onto the burner of FAAS to increase the interaction between lead atoms and light from radiation source to enhance the absorbance signals. Under the determined optimum conditions, analytical figures of merit were evaluated and the limit of detection and quantification (LOD/LOQ) values were calculated as 5.2 and 17.3 µg L- 1, respectively. The developed method showed a linear calibration range between 25 and 250 µg L- 1 with a good regression coefficient value (0.9995). Recovery studies were also performed with domestic wastewater samples spiked at three concentrations and percent recovery values obtained in the range of 97%-102% validated the developed method's applicability and accuracy.
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Affiliation(s)
- Esma Ay
- Department of Chemistry, Kocaeli University, 41001, Kocaeli, Turkey
| | - Zeynep Tekin
- Department of Chemistry, Yıldız Technical University, 34349, İstanbul, Turkey
| | - Nizamettin Özdoğan
- Institute of Science, Environmental Engineer Department, Bülent Ecevit University, 67100, Zonguldak, Turkey
| | - Sezgin Bakırdere
- Department of Chemistry, Yıldız Technical University, 34349, İstanbul, Turkey.
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, 06670, Çankaya, 06690, Ankara, Turkey.
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Micelle mediated selective extraction of lead after its complexation with thionine in aqueous samples prior to FAAS determination. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-022-02086-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Benderrag A, Djellali M, Haddou B, Daaou M, Bounaceur B. Experimental design and RSM on the recovery of Ni (II) ions by ELM using TX-100 as a biodegradable surfactant. ENVIRONMENTAL TECHNOLOGY 2022; 43:386-401. [PMID: 32615905 DOI: 10.1080/09593330.2020.1791967] [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: 11/23/2019] [Accepted: 06/25/2020] [Indexed: 06/11/2023]
Abstract
The present work deals with the extraction and pre-concentration of nickel (II) ions using emulsified liquid membrane (ELM) in the presence of di- (2-ethylhexyl) phosphoric acid (D2EHPA) as an extractant. The emulsion stability was achieved by the biodegradable surfactants Triton X-100 addition diluted in kerosene. Influence of operating conditions that affect ELM performance were investigated. A comparative study between the optimization parameters of this process was carried out both experimentally and with the Response Surface Methodology (RSM), in accordance with the Box-Behnken matrix. The following parameters were investegated: D2EHPA / Triton X-100 ratio between 0.5 and 3.5, initial concentration of the feed phase between 200 and 500 ppm and pH of the feed phase from 2.5-10. The transport of Ni (II) ions was evaluated according to the extraction yield as an analytical response and the optimal conditions were determined. It was found that the calculated values being in good agreement with experimental data that under the optimized conditions ([Ni] = 350 ppm, Vagitation = 200 rpm, t = 20 min and pH = 6.6), Ni (II) ions extraction was recorded more than 94% of efficiency.
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Affiliation(s)
- Abdelkader Benderrag
- Laboratoire de Physico-Chimie des Matériaux, Catalyse et Environnement (LPCM-CE), Université des Sciences et de la Technologie d'Oran Mohamed Boudiaf (USTOMB), Faculté de Chimie, Oran, Algerie
- Laboratoire de chimie physique macromoléculaire, Faculté des sciences, Université d'Oran1, Oran, Algérie
| | - Meriem Djellali
- Laboratoire de Physico-Chimie des Matériaux, Catalyse et Environnement (LPCM-CE), Université des Sciences et de la Technologie d'Oran Mohamed Boudiaf (USTOMB), Faculté de Chimie, Oran, Algerie
| | - Boumediene Haddou
- Laboratoire de Physico-Chimie des Matériaux, Catalyse et Environnement (LPCM-CE), Université des Sciences et de la Technologie d'Oran Mohamed Boudiaf (USTOMB), Faculté de Chimie, Oran, Algerie
| | - Mortada Daaou
- Laboratoire de synthèse organique, physico-chimie, biomolécules et environnement (LSPBE), Université des Sciences et de la Technologie d'Oran-Mohamed Boudiaf, USTO-MB, Faculté de Chimie, Oran, Algérie
| | - Boumedienne Bounaceur
- Laboratoire de chimie physique macromoléculaire, Faculté des sciences, Université d'Oran1, Oran, Algérie
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Yekrangi M, Benvidi A, Jahanbani S, Zare HR, Banaei M. Determination of lead ions in fish and oyster samples using a nano-adsorbent of functionalized magnetic graphene oxide nanosheets-humic acid and the flame atomic absorption technique. ENVIRONMENTAL MONITORING AND ASSESSMENT 2021; 193:825. [PMID: 34792659 DOI: 10.1007/s10661-021-09613-x] [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: 12/20/2020] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
This study aims at the functionalization of magnetic graphene oxide nanosheets and the binding of humic acid as a lead complex ligand. Graphene oxide nanosheets possess a large surface area and various carboxylic acid groups which can be activated easily by activating agents. Therefore, they are suitable to be used for the extraction of heavy metals. To have a better process of extracting lead ions, magnetic graphene oxide was used in this research. Humic acid, as a lead metal complex agent, has an amine functional group which can be bound to modified graphene oxide from one side. The process of constructing the nano-adsorbent proposed for the preconcentration of lead ions as well as its characterization was studied by infrared spectroscopy (IR), ultraviolet-visible spectroscopy (UV-visible), field emission scanning electron microscopy (FESEM), and vibrating sample magnetometry (VSM). The designed nano-adsorbent was tested to measure lead ions in simulated and real samples of sea water, fish, and oysters. The detection limit obtained in the simulated samples was 0.07 μg/L, and the linear range was 0.2-12 μg/L. The apparatus used to measure the ions was a flame atomic absorption device. In the analysis of the real samples, the values obtained through flame atomic absorption were compared with those obtained through furnace atomic absorption. The proposed technique is advantageous due to being cheap, precise, and sensitive for the trace measurement of lead ions.
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Affiliation(s)
- Manijeh Yekrangi
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran
| | - Ali Benvidi
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran.
| | - Shahriar Jahanbani
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran
| | - Hamid R Zare
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran
| | - Maryam Banaei
- Department of Chemistry, Faculty of Science, Yazd University, Yazd, Iran
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6
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Hammad SF, Abdallah IA, Bedair A, Mansour FR. Homogeneous liquid-liquid extraction as an alternative sample preparation technique for biomedical analysis. J Sep Sci 2021; 45:185-209. [PMID: 34472701 DOI: 10.1002/jssc.202100452] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 08/26/2021] [Accepted: 08/27/2021] [Indexed: 12/12/2022]
Abstract
Liquid-liquid extraction is a widely used technique of sample preparation in biomedical analysis. In spite of the high pre-concentration capacities of liquid-liquid extraction, it suffers from a number of limitations including time and effort consumption, large organic solvent utilization, and poor performance in highly polar analytes. Homogeneous liquid-liquid extraction is an alternative sample preparation technique that overcomes some drawbacks of conventional liquid-liquid extraction, and allows employing greener organic solvents in sample treatment. In homogeneous liquid-liquid extraction, a homogeneous phase is formed between the aqueous sample and the water-miscible extractant, followed by chemically or physically induced phase separation. To form the homogeneous phase, aqueous samples are mixed with water-miscible organic solvents, water-immiscible solvents/cosolvents, surfactants, or smart polymers. Then, phase separation is induced chemically (adding salt, sugar, or buffer) or physically (changing temperature or pH). This mode is rapid, sustainable, and cost-effective in comparison with other sample preparation techniques. Moreover, homogeneous liquid-liquid extraction is more suitable for the extraction of delicate macromolecules such as enzymes, hormones, and proteins and it is more compatible with liquid chromatography with tandem mass spectrometry, which is a vital technique in metabolomics and proteomics. In this review, the principle, types, applications, automation, and technical aspects of homogeneous liquid-liquid extraction are discussed.
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Affiliation(s)
- Sherin F Hammad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Inas A Abdallah
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Alaa Bedair
- Department of Analytical Chemistry, Faculty of Pharmacy, University of Sadat City, Sadat City, Egypt
| | - Fotouh R Mansour
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt.,Pharmaceutical Services Center, Faculty of Pharmacy, Tanta University, Tanta, Egypt
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Chaikhan P, Udnan Y, Ampiah-Bonney RJ, Chaiyasith WC. Air-assisted solvent terminated dispersive liquid–liquid microextraction (AA-ST-DLLME) for the determination of lead in water and beverage samples by graphite furnace atomic absorption spectrometry. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105828] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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8
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Kasmi M, Benderrag A, Haddou B, Daaou M, Canselier JP, Gourdon C. Removal of Lead(II) from Aqueous Solution Using Triton X-114 in the Presence of Alanine or Phenylalanine as Biodegradable System. TENSIDE SURFACT DET 2021. [DOI: 10.3139/113.110711] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Abstract
The Cloud Point Extraction (CPE) of Pb(II) ion, using Triton X-114/ alanine and Triton X-114/phenyalanine as biodegradable systems, was carried out. The experimental results are expressed by four responses to surfactant concentration, amino acid concentration and temperature variations: extent of solute extraction (E), remaining solute (Xm,w) and surfactant (Xt,w) concentrations in dilute phase and volume fraction of coacervate (}C) at equilibrium. An empirical smoothing method was used, where the results were represented on three dimensional plots using the Box-Behnken design (BBD) and the response surface methodology (RSM). High extraction efficiencies (94% with alanine and 98% with phenylalanine) are reached in optimal conditions. Thereby, solute concentration reduction in the dilute phase is about 4 and 12 times with alanine and phenylalanine, respectively. The pH effect is also studied. Finally, the possibility of recycling the surfactant/amino acid system by pH change is proved.
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Affiliation(s)
- Mohammed Kasmi
- Laboratory of Physical Chemistry of Materials: Catalysis and Environment, Faculty of chemistry, University of Science and Technology of Oran, BP 1505, M’Nouar, Oran , Algeria
| | - Abdelkader Benderrag
- Laboratory of Physical Chemistry of Materials: Catalysis and Environment, Faculty of chemistry, University of Science and Technology of Oran, BP 1505, M’Nouar, Oran , Algeria
| | - Boumediene Haddou
- Laboratory of Physical Chemistry of Materials: Catalysis and Environment, Faculty of chemistry, University of Science and Technology of Oran, BP 1505, M’Nouar, Oran , Algeria
| | - Mortada Daaou
- Laboratory of Organic Synthesis, Physical chemistry, Biomolecules and Environment (LSPBE) Faculty of Chemistry, University of Science and Technology of Oran, BP 1505, M’Nouar, Oran , Algeria
| | - Jean Paul Canselier
- Laboratory of Organic Synthesis, Physical chemistry, Biomolecules and Environment (LSPBE) Faculty of Chemistry, University of Science and Technology of Oran, BP 1505, M’Nouar, Oran , Algeria
| | - Christophe Gourdon
- Laboratory of Organic Synthesis, Physical chemistry, Biomolecules and Environment (LSPBE) Faculty of Chemistry, University of Science and Technology of Oran, BP 1505, M’Nouar, Oran , Algeria
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Qin J, Su Z, Mao Y, Liu C, Qi B, Fang G, Wang S. Carboxyl-functionalized hollow polymer microspheres for detection of trace metal elements in complex food matrixes by ICP-MS assisted with solid-phase extraction. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111729. [PMID: 33396060 DOI: 10.1016/j.ecoenv.2020.111729] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
In this work, carboxyl-functionalized hollow polymer microspheres (CHPMs) was successfully fabricated using poly (styrene-itaconic anhydride) particles as the core template and itaconic anhydride and trans-anethole cross-linked with divinylbenzene as the shell. The desirable microspheres and hollow structure of CHPMs were demonstrated by scanning and transmission electron microscopies, respectively. The characterized CHPMs as an adsorbent was packed into a solid phase extraction column to simultaneously detect the V(V), Cr(III), Cu(II), Cd(II), and Pb(II) in digested food samples by inductively coupled plasma-mass spectrometry (ICP-MS). A series of experimental parameters of solid-phase extraction (SPE) were investigated through vast experiments to improve sensitivity of the proposed method in metal ions detection. The detection limits of the method reached 0.8-3.2 ng L-1 for the target elements, and the relative standard deviations (RSDs) ranging from 1.2% to 3.5% were obtained from eleven parallel experiments using a 1.0 μg L-1 sample solution. The stability allowed the material to withstand more than 15 cycling while the recoveries remained above 88%. In food samples, the detection limits were at 0.20-0.80 μg kg-1, and satisfactory recoveries of 85-104% were obtained in spike tests of laver, fish as well as chicken.
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Affiliation(s)
- Jiaxing Qin
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Zheng Su
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yuehui Mao
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Cuicui Liu
- College of Food Science and Bioengineering, Tianjin Agricultural University, Tianjin 300384, China
| | - Bin Qi
- College of Food Science and Bioengineering, Tianjin Agricultural University, Tianjin 300384, China
| | - Guozhen Fang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China.
| | - Shuo Wang
- State Key Laboratory of Food Nutrition and Safety, Tianjin University of Science and Technology, Tianjin 300457, China; Research Center of Food Science and Human Health, School of Medicine, Nankai University, Tianjin 300071, China.
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11
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Pre-Concentration Based on Cloud Point Extraction for Ultra-Trace Monitoring of Lead (II) Using Flame Atomic Absorption Spectrometry. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9224752] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The cloud point extraction (CPE) method was successfully used for the isolation and pre-concentration of ultra-low concentration of Pb prior to its determination by flame atomic absorption spectrometry (FAAS). Lead(II) reacts with methyl 4,20-diisobutyl-2,5,8,16,19,22- hexaoxo-7,17-dipropyl-3,6,9,15,18,21-hexaaza-1(2,6)-pyridinacyclo-docosaphane-10-carboxylate (DLNL) as chelating agent in the presence of octylphenoxypolyethoxyethanol (Triton X-114) as a nonionic surfactant giving a surfactant-rich phase chelate which could be used for CPE. Factors affecting the CPE such as solution pH, concentrations of the chelating ligand and surfactant, temperature of equilibration, and time were optimized. The efficacy features of the proposed protocol such as linear range, lower limit of detection, pre-concentration, and progress factors were evaluated. The method revealed a wide linear range in the range of 7–250 ng/mL of Pb2+ with a limit of detection of 5 ng/mL using FAAS. Validation of the presented protocol revealed good performance characteristics including high between-batch repeatability, high precision, wide linear range, low limit of detection, and acceptable accuracy. The presented procedure was successfully introduced for the separation and quantification of lead (II) in wastewater samples with acceptable results.
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Mohammadi SZ, Shamspur T, Baghelani YM. Determination of copper, nickel, manganese and cadmium ions in aqueous samples by flame atomic absorption spectrometry after simultaneous coprecipitation with Co(OH)2. ARAB J CHEM 2019. [DOI: 10.1016/j.arabjc.2014.11.054] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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13
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Wang Y, Zhu Y, Hu Y, Zeng G, Zhang Y, Zhang C, Feng C. How to Construct DNA Hydrogels for Environmental Applications: Advanced Water Treatment and Environmental Analysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1703305. [PMID: 29450972 DOI: 10.1002/smll.201703305] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Revised: 11/23/2017] [Indexed: 06/08/2023]
Abstract
With high binding affinity, porous structures, safety, green, programmability, etc., DNA hydrogels have gained increasing recognition in the environmental field, i.e., advanced treatment technology of water and analysis of specific pollutants. DNA hydrogels have been demonstrated as versatile potential adsorbents, immobilization carriers of bioactive molecules, catalysts, sensors, etc. Moreover, altering components or choosing appropriate functional DNA optimizes environment-oriented hydrogels. However, the lack of comprehensive information hinders the continued optimization. The principle used to fabricate the most suitable hydrogels in terms of the requirements is the focus of this Review. First, different fabrication strategies are introduced and the ideal characteristic for environmental applications is in focus. Subsequently, recent environmental applications and the development of diverse DNA hydrogels regarding their synthesis mechanism are summarized. Finally, the Review provides an insight into the remaining challenging and future perspectives in environmental applications.
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Affiliation(s)
- Yingrong Wang
- College of Environmental Science and Engineering, Hunan University, Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Lushan South Road, Changsha, 410082, P. R. China
| | - Yuan Zhu
- College of Environmental Science and Engineering, Hunan University, Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Lushan South Road, Changsha, 410082, P. R. China
| | - Yi Hu
- College of Environmental Science and Engineering, Hunan University, Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Lushan South Road, Changsha, 410082, P. R. China
| | - Guangming Zeng
- College of Environmental Science and Engineering, Hunan University, Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Lushan South Road, Changsha, 410082, P. R. China
| | - Yi Zhang
- College of Environmental Science and Engineering, Hunan University, Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Lushan South Road, Changsha, 410082, P. R. China
- Department of Chemistry, University of Science and Technology of China, Hefei, 230026, China
| | - Chang Zhang
- College of Environmental Science and Engineering, Hunan University, Key Laboratory of Environmental Biology and Pollution Control (Hunan University), Ministry of Education, Lushan South Road, Changsha, 410082, P. R. China
| | - Chongling Feng
- Research Center of Environmental Science and Engineering, Center South University of Forestry and Technology, Shaoshan South Road, Changsha, 410004, China
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A Green and Efficient Method for the Preconcentration and Determination of Gallic Acid, Bergenin, Quercitrin, and Embelin from Ardisia japonica Using Nononic Surfactant Genapol X-080 as the Extraction Solvent. Int J Anal Chem 2018; 2018:1707853. [PMID: 29487621 PMCID: PMC5816874 DOI: 10.1155/2018/1707853] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 12/15/2017] [Accepted: 12/28/2017] [Indexed: 12/22/2022] Open
Abstract
A simple cloud point preconcentration method was developed and validated for the determination of gallic acid, bergenin, quercitrin, and embelin in Ardisia japonica by high-performance liquid chromatography (HPLC) using ultrasonic assisted micellar extraction. Nonionic surfactant Genapol X-080 was selected as the extraction solvent. The effects of various experimental conditions such as the type and concentration of surfactant and salt, temperature, and solution pH on the extraction of these components were studied to optimize the conditions of Ardisia japonica. The solution was incubated in a thermostatic water bath at 60°C for 10 min, and 35% NaH2PO4 (w/v) was added to the solution to promote the phase separation and increase the preconcentration factor. The intraday and interday precision (RSD) were both below 5.0% and the limits of detection (LOD) for the analytes were between 10 and 20 ng·mL-1. The proposed method provides a simple, efficient, and organic solvent-free method to analyze gallic acid, bergenin, quercitrin, and embelin for the quality control of Ardisia japonica.
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Mesli M, Belkhouche NE. Emulsion ionic liquid membrane for recovery process of lead. Comparative study of experimental and response surface design. Chem Eng Res Des 2018. [DOI: 10.1016/j.cherd.2017.11.011] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Mohd NI, Raoov M, Mohamad S, Zain NNM. Performance evaluation of non-ionic silicone surfactants OFX 0309 and DC 193C as a new approach in cloud point extraction – spectrophotometry for determination of atrazine in water samples. RSC Adv 2018; 8:13556-13566. [PMID: 35542552 PMCID: PMC9079888 DOI: 10.1039/c8ra00868j] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 03/28/2018] [Indexed: 11/21/2022] Open
Abstract
Cloud point extraction (CPE) – spectrophotometric method had been adopted for the separation of atrazine using the non-ionic silicone surfactant, polysiloxane polyether, as a new approach of atrazine extractor in CPE. There were two types of polysiloxane polyether (DC 193C and OFX 0309) studied to investigate the effectiveness of these surfactants toward atrazine in CPE method. Various effects of operating parameters such as the concentration of surfactant and atrazine, addition of salt and change of temperature and pH on the extraction of atrazine have been studied in detail to find the optimum conditions. The limit of detections (LODs) and quantifications (LOQs) were in the range of 0.09–0.59 μg L−1 and 0.31–1.95 μg L−1 in water samples, respectively. The method recoveries at two spiked levels were 84–105% (CPE-OFX 0309) and 59–69% (CPE-DC 193C) with good correlation of determination (R2) ranging from 0.9927–0.9993 for both methods. The Langmuir isotherm has been used for solubilisation study of surfactant and atrazine. The thermodynamic parameters have been determined such as Gibbs free energy (ΔG°) which increases with temperature, value of enthalpy (ΔH°) and value of entropy (ΔS°) which increase with the surfactant hydrophobicity. The principle of cloud point extraction (CPE) adopted for the separation of atrazine.![]()
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Affiliation(s)
- N. I. Mohd
- Integrative Medicine Cluster
- Advanced Medical and Dental Institute (AMDI)
- Universiti Sains Malaysia
- Kepala Batas
- Malaysia
| | - M. Raoov
- Department of Chemistry
- Faculty of Science
- Universiti Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - S. Mohamad
- Department of Chemistry
- Faculty of Science
- Universiti Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - N. N. M. Zain
- Integrative Medicine Cluster
- Advanced Medical and Dental Institute (AMDI)
- Universiti Sains Malaysia
- Kepala Batas
- Malaysia
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17
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Elik A, Altunay N, Gürkan R. Microextraction and preconcentration of Mn and Cd from vegetables, grains and nuts prior to their determination by flame atomic absorption spectrometry using room temperature ionic liquid. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.09.121] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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18
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Sensitive quantification of uranium using cloud point extraction coupled with inductively coupled plasma-optical emission spectrometry. J Radioanal Nucl Chem 2017. [DOI: 10.1007/s10967-017-5642-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Unsal YE, Soylak M, Tuzen M, Hazer B. Determination of Lead, Copper, and Iron in Cosmetics, Water, Soil, and Food Using Polyhydroxybutyrate-B-polydimethyl Siloxane Preconcentration and Flame Atomic Absorption Spectrometry. ANAL LETT 2015. [DOI: 10.1080/00032719.2014.971365] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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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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