Trace element determination in seawater by ICP-MS using online, offline and bath procedures of preconcentration and matrix elimination

Veguería, Sergio F. Jerez; Godoy, José Marcus; Campos, Reinaldo Calixto de; Gonçalves, Ramiro

doi:10.1016/j.microc.2012.05.032

Cited by 40 publications

(22 citation statements)

References 29 publications

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“…Nevertheless, the eluates from the column could contain significant levels of Ca, Mg, Na and K unless a column wash is performed (Zhu, Inagaki, and Chiba 2009). Washing with water was sufficient to eliminate the matrix ions from the analytical column of Toyopearl AF Chelate-650M (Arslan and Paulson, 2002; Veguería et al 2013) and that of PSTH-cpg resin, (1,5-bis (2-pyridyl)-3-sulphophenyl methylene thiocarbonohydrazide immobilized on aminopropyl-controlled pore glass) (Trujillo 2012). On the other hand, dilute ammonium acetate buffer solution provided better performance for Chelex 100 (Rahmi et al 2007) and Nobias-chelate PA1 (Biller and Bruland 2012).…”

Section: Resultsmentioning

confidence: 99%

“…Polymeric supports possessing 8–hydroxyquinoline (8–HQ) (Wen and Shan 2002; Otero-Romani et al 2005, 2011) and iminodiacetate (IDA) chelating groups (Warnken et al 2000; Willie et al 2001; Arslan and Paulson 2002; Gao et al 2002; Jimenez, Velarte and Castillo 2002; Milne et al 2010; Oliveira et al 2011, Veguería et al 2013) have been frequently used for preconcentration of trace elements from seawater and brines. In addition to 8-HQ and IDA, chitosan (Katarina et al 2008), 1,5-bis(2-pyridyl)-3-sulphophenylmethylene thiocarbonohydrazide (PSTH) (Trujilo et al 2012), 1-(2-thiazolylazo)-2-naphthol (TAN) (Zaporozhets et al 1999; Yilmaz and Kartal 2012), succinic acid (Metilda et al 2005), and 2,6-diacetylpyridine (Kara, Fisher and Hill 2006), Nobias-chelate PA1 chelating resin (Biller and Bruland 2012), ion imprinted polymer possessing 8-HQ (Otero-Romani et al 2009) have been also utilized in determination of trace elements from seawater.…”

Section: Introductionmentioning

confidence: 99%

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Multielement Solid Phase Preconcentration Using a Chelating Resin of Styrene Divinylbenzene Copolymer and Application for the Analysis of Seawater and Fish Otoliths by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

2013

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A new chelating resin has been synthesized by immobilizing 4–(2–thiazolylazo) resorcinol (TAR) onto styrene divinlybenzene copolymer and examined for on-line solid phase extraction/preconcentration of Cd, Co, Cu, Ni, Pb and Zn in seawater and fish otoliths for determination by inductively plasma mass spectrometry (ICP-MS). A volume of 5.0 mL sample solution was loaded onto the mini column of TAR immobilized resin at 2.0 mL min−1 via a sequential injection system. The optimum pH for multielement preconcentration was around pH 5.5. Recoveries were better than 96% in artificial seawater. Elution was achieved with 1.0 mL of 0.75 mol L−1 HNO3. The resin possesses large sorption capacity ranging from 82.0 µmol g−1 for Pb to 319 µmol g−1 for Cu. The detection limits (3s) varied between 0.0016 µg L−1 (Cd) and to 0.015 µg L−1 (Zn) for preconcentration of 5.0 mL blank solutions (pH 5.5). Relative standard deviation (RSD)for three replicate runs was between 0.3% (Cd) and 6% (Zn) at 1.0 µg L−1 level. The procedure was validated by analysis of Nearshore Seawater certified reference material (CASS–4), and then successfully applied to the determination of the trace elements in fish otoliths (CRM 22) and in coastal seawater and estuarine water samples.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Multielement Solid Phase Preconcentration Using a Chelating Resin of Styrene Divinylbenzene Copolymer and Application for the Analysis of Seawater and Fish Otoliths by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

2013

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“…Separation and preconcentration steps are often required prior to the determination of trace metals in environmental samples, taking advantage of the lower final extractant volumes to improve the analyte detection limit [12]. These pretreatment steps in order to remove matrix components from the trace metals have been reported in the literature [13,14]. Recently, Bagheri et al [15] developed a solid phase extraction method to separate and concentrate trace amount of Cd(II) and Cu(II) from environmental samples, Zhao et al [16] presented a dual-cloud point extraction procedure for simultaneous preconcentration and separation of heavy metal ions such as Cd(II), Co(II), Ni(II), Pb(II), Zn(II) and Cu(II) in water samples by using inductively coupled plasma optical emission spectrometry (ICP-OES) as detection technique.…”

Section: Introductionmentioning

confidence: 99%

Ionic liquid mediated extraction, assisted by ultrasound energy, of available/mobilizable metals from sediment samples

Alvarez

Llamas

Lista

et al. 2017

Ultrasonics Sonochemistry

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A new extraction method for metals from sediment samples was developed. In this procedure, the chelating agent EDTA was combined with a minimal amount of the ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate (Bmim[BF]), assisted by ultrasound energy. The available analytes -Cd, Cr, Cu, Ni, Pb and Zn- were extracted under optimal conditions for a 12.5 ratio (extractant volume/sample mass) with 0.005molL EDTA solution, 0.1molL NaHCO, 5.0mmolL Bmim[BF] and 7.0min of sonication time, using an ultrasonic bath (output power of 160W). The best extractions were obtained with 100W (power dissipated in the liquid). These conditions were obtained applying the univariate method. It is important to highlight that the conventional method (extraction with 0.05molL EDTA solution only) consumes 6h to extract available metals from sediment samples selectively, and with the proposed procedure the extraction time is noticeable reduced to 7.0min. Extractable metal concentrations obtained were measured by flame atomic absorption spectrometry. The results showed good agreement with those obtained by the conventional method using a Student's paired t-test.

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“…Over the years, research in SPE evolved around the preconcentration of trace elements mainly in water samples and complex matrices using various supports containing 8–hydroxyquinoline (8–HQ) [11,12], iminodiacetate [13–15], 2,6-diacetylpyridine [16], 1-(2-thiazolylazo)-2-naphthol (TAN) [17], 1,5-bis(2-pyridyl)-3-sulphophenylmethylene thiocarbonohydrazide [18], nitrilotriacetate (NTA) [19], and thiacalix[4]arenetetracarboxylate [20]. Nanoscale supports, such as silica and titanium dioxide, have also been modified with chelating agents [21, 22], and microorganisms [23] for solid phase extraction of trace elements from natural water samples.…”

Section: Introductionmentioning

confidence: 99%

Selective solid phase extraction of copper using a new Cu(II)-imprinted polymer and determination by inductively coupled plasma optical emission spectroscopy (ICP-OES)

Yılmaz

Arslan

Hazer

et al. 2014

Microchemical Journal

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This work reports the preparation of a novel Cu(II)-ion imprinted polymer using 2-thiozylmethacrylamide (TMA) for on-line preconcentration of Cu(II) prior to its determination by inductively coupled optical emission spectroscopy (ICP-OES). Cu(II)-TMA monomer (complex) was synthesized and copolymerized via bulk polymerization method in the presence of ethyleneglycoldimethacrylate cross-linker. The resulting polymer was washed with 5% (v/v) HNO3 to remove Cu(II) ions and then with water until a neutral pH. The ion imprinted polymer was characterized by FT-IR and scanning electron microscopy. The experimental conditions were optimized for on-line preconcentration of Cu(II) using a minicolumn of ion imprinted polymer (IIP). Quantitative retention was achieved between pH 5.0 and 6.0, whereas the recoveries for the non-imprinted polymer (NIP) were about 61%. The IIP showed about 30 times higher selectivity to Cu(II) in comparison to NIP. The IIP also exhibited excellent selectivity for Cu(II) against the competing transition and heavy metal ions, including Cd, Co, Cr, Fe, Mn, Ni, Pb and Zn. Computational calculations revealed that the selectivity of IIP was mediated by the stability of Cu(II)-TMA complex which was far more stable than those of Co(II), Ni(II) and Zn(II) that have similar charge and ionic radii to Cu(II). A volume of 10 mL sample solution was loaded onto the column at 4.0 mL min−1 by using a sequential injection system (FIALab 3200) followed by elution with 1.0 mL of 2% (v/v) HNO3. The relative standard deviation (RSD) and limit of detection (LOD, 3s) of the method were 3.2% and 0.4 μg L−1, respectively. The method was successfully applied to determination of Cu(II) in fish otoliths (CRM 22), bone ash (SRM 1400) and coastal seawater and estuarine water samples.

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Trace element determination in seawater by ICP-MS using online, offline and bath procedures of preconcentration and matrix elimination

Cited by 40 publications

References 29 publications

Multielement Solid Phase Preconcentration Using a Chelating Resin of Styrene Divinylbenzene Copolymer and Application for the Analysis of Seawater and Fish Otoliths by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Multielement Solid Phase Preconcentration Using a Chelating Resin of Styrene Divinylbenzene Copolymer and Application for the Analysis of Seawater and Fish Otoliths by Inductively Coupled Plasma Mass Spectrometry (ICP-MS)

Ionic liquid mediated extraction, assisted by ultrasound energy, of available/mobilizable metals from sediment samples

Selective solid phase extraction of copper using a new Cu(II)-imprinted polymer and determination by inductively coupled plasma optical emission spectroscopy (ICP-OES)

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