Flame atomic absorption spectrometric determination of cadmium(II) and lead(II) after their solid phase extraction as dibenzyldithiocarbamate chelates on Dowex Optipore V-493

Melek, Esra; Tüzen, Mustafa; Soylak, Mustafa

doi:10.1016/j.aca.2006.07.003

Cited by 140 publications

(65 citation statements)

References 33 publications

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“…This finding does not tally with this research whereby lead and Bhoyroo et al 101 cadmium levels were not detected. This may be due to the use of phosphoric acid as the modifier which affected the analytical results as proposed by Melek et al,(2006) who stated that the determination of trace elements in fish samples using the GFAAS is difficult due to the interference of a complicated matrix.…”

Section: Optimisation Of Digestion Protocol and Analytical Techniquesmentioning

confidence: 99%

“…The hydride cell on the other hand, atomises a larger amount of the sample and retain the atomised sample for a greater time span, thereby enhancing the sensitivity of the technique (Parkin Elmer Coorporation, 2013). Arsenic, on the other hand, is thermally decomposed by the application of flames on the hydride cell, reducing arsenic (III) hydride into a gaseous hydride AsH3 by reaction with sodium borohydride in a hydrochloric acid medium (Behari et al, 2006) Melek et al, (2006 successfully determined the levels of cadmium (0.09-0.35 mg/kg dry weight) and lead(0.2-0.85) in fish samples using the GFAAS. This finding does not tally with this research whereby lead and Bhoyroo et al 101 cadmium levels were not detected.…”

Section: Optimisation Of Digestion Protocol and Analytical Techniquesmentioning

confidence: 99%

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Detection of heavy metals bio-accumulation in scombrids for the determination of possible health hazard

Bhoyroo¹,

Soobratty²,

Lalljee³

2015

Afr. J. Food Sci. Technol

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Section: Optimisation Of Digestion Protocol and Analytical Techniquesmentioning

confidence: 99%

Section: Optimisation Of Digestion Protocol and Analytical Techniquesmentioning

confidence: 99%

Detection of heavy metals bio-accumulation in scombrids for the determination of possible health hazard

Bhoyroo¹,

Soobratty²,

Lalljee³

2015

Afr. J. Food Sci. Technol

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“…The interest in research into these metal species stems from their toxicity to aquatic organisms 4,5 . The concern of the chemical community regarding this type of contamination culminated in the development of several methods of separation and purification, including ion exchange and adsorption resins 6,7,8 , co-precipitation reactions 9 , solid-phase spectrometry (SPS)…”

Section: Introductionmentioning

confidence: 99%

4-amine-2-mercaptopyrimidine modified silica gel applied in Cd(II) and Pb(II) extraction from an aqueous medium

Pereira

Ferreira

Caetano

et al. 2010

Polish Journal of Chemical Technology

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This paper discusses silica surface modification by a process involving a two-step reaction: anchoring of a silylating agent, followed by an attachment of a 4-amino-2-mercaptopyrimidine molecule. The modified material (Si-BP) was successfully characterized by the FTIR spectra, which revealed amine absorption bands, and through 13 C and 29 Si NMR spectra, which confirm the proposed structure of the modified silica (Si-BP). Si-BP was used to extract cadmium and lead from an aqueous medium at 298 K. The Si-BP kinetics towards metal ions was very fast, i.e., about 10 minutes, although extraction was significantly impaired at pH 3. The series of adsorption isotherms were adjusted to a modified Langmuir equation and the maximum extraction capacity was 0.193 and 0.387 mmol g -1 for Cd(II) and Pb(II), respectively. An analysis of the Ø values lead to the inference that the resulting metal ligand complex was type 1:1.

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“…The equilibrium data of Cd (II) and Pb (II) ions adsorption onto Amberlite XAD-8 resin were obtained with the Langmuir isotherm equation and the adsorption capacity of the Amberlite XAD-8 resin, without any lost of its physical-chemical features and adsorption properties, were evaluated as 3.76 mg g -1 and 5.07 mg g -1 , respectively. The data obtained from the proposed method have been also compared with the previously reported SPE methods [31][32][33][34][35][36] in terms of some optimization parameters ( Table 6). The distinguished features of the present work are that the RSD and LOD values are relatively low, the working pH near to neutral and the preconcentration factor is relatively high when compared to other methods.…”

Section: Discussionmentioning

confidence: 99%

SOLID PHASE EXTRACTION OF Cd(II) AND Pb(II) IONS BY A NEW CARBOTHIOAMIDE DERIVATIVE

Özdeş

Duran

Bayrak

et al. 2013

J. Chil. Chem. Soc.

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An effective, simple, low cost and accurate sorption-spectrophotometric platform for the extractions and subsequent quantifications of Cd(II) and Pb(II) ions in food and environmental samples has been described in this dissertation. The separation and preconcentration of the analyte ions were accomplished by solid phase extraction method based on the adsorption of their N-(4-methylphenyl)-2-{[(4-phenyl-5-pyridin-4-yl-4H-1,2,4-triazol-3-yl)thio]acetyl} hydrazinecarbothioamide (MFPTAHK) complex on Amberlite XAD-8 resin in a mini column. The developed method was systematically investigated in different set of experimental parameters that influence the separation and preconcentration of Cd(II) and Pb(II) ions. The precision of the method was determined by reproducibility studies and expressed as relative standard deviations (RSD %) which were less than 4% for both analyte ions. The limits of detections (LODs) for Cd(II) and Pb(II) ions based on the three times the standard deviation of the blanks (N:10) were found to be 0.31 µg L -1 and 0.86 µg L -1 , respectively. The developed SPE procedure was utilized for the simultaneous extraction and determinations of Cd(II) and Pb(II) ions levels in rice, cracked wheat and red lentil as food samples and various water samples.

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Flame atomic absorption spectrometric determination of cadmium(II) and lead(II) after their solid phase extraction as dibenzyldithiocarbamate chelates on Dowex Optipore V-493

Cited by 140 publications

References 33 publications

Detection of heavy metals bio-accumulation in scombrids for the determination of possible health hazard

Detection of heavy metals bio-accumulation in scombrids for the determination of possible health hazard

4-amine-2-mercaptopyrimidine modified silica gel applied in Cd(II) and Pb(II) extraction from an aqueous medium

SOLID PHASE EXTRACTION OF Cd(II) AND Pb(II) IONS BY A NEW CARBOTHIOAMIDE DERIVATIVE

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