A Coulometric Analysis Method and an Ion-exclusion Chromatographic Method for the Determination of Antimony(V) in Large Excess of Antimony(III)

Hioki, Akiharu

doi:10.2116/analsci.24.1099

Cited by 3 publications

(3 citation statements)

References 50 publications

(39 reference statements)

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“…Because of these limitations, monitoring environmental pollutants at ultra-trace level by instrumental techniques like atomic absorption spectroscopy atomic emission spectroscopy, etc. needs an effective sample preconcentration step [6][7][8][9].…”

Section: Introductionmentioning

confidence: 99%

Preconcentration–separation of Co2+, Ni2+, Cu2+ and Cd2+ in real samples by solid phase extraction of a calix[4] resorcinarene modified Amberlite XAD-16 resin

Ghaedi

Karami

Ehsani

et al. 2009

Journal of Hazardous Materials

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Section: Introductionmentioning

confidence: 99%

Preconcentration–separation of Co2+, Ni2+, Cu2+ and Cd2+ in real samples by solid phase extraction of a calix[4] resorcinarene modified Amberlite XAD-16 resin

Ghaedi

Karami

Ehsani

et al. 2009

Journal of Hazardous Materials

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“…Among them, the spectroscopic techniques combined with volatile hydride generation (SbH 3 ) have extensively been utilized for this purpose, being detection limits of 0.1 or lower μg/L [7,13,15]. A variety of electrochemical methods have been reported for the determination of antimony by differential pulse anodic stripping voltammetry [18][19][20][21][22], differential pulse adsorptive stripping voltammetry [22,23], anodic stripping voltammetry [24,25], cathodic stripping voltammetry [26], constant-current stripping analysis [27], and coulometry [28]. The anodic or cathodic stripping voltammetry for antimony analysis was conducted on carbon screen-printed electrodes [24], gold film electrode [25], gold fiber electrode [28] as well as mercury-based electrodes [29][30][31].…”

Section: Introductionmentioning

confidence: 99%

Determination of antimony(III) and (V) in natural water by cathodic stripping voltammetry with in-situ plated bismuth film electrode

Zong

Nagaosa

2009

Microchim Acta

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A method is described for the sequential determination of Sb(III) and Sb(V) using Osteryoung square wave cathodic stripping voltammetry. It employs an in-situ plated bismuth-film on edge-plane graphite substrate as the working electrode. Selective electro-deposition of Sb(III)/Sb(V) is accomplished by applying a potential of-500 mV vs Ag/AgCl, this followed by reduction to stibine at a more negative potential in the stripping step. Stripping was carried out by applying a square wave waveform between-500 and-1400 mV to the antimony deposited. The stripping peak current at-1150 mV is proportional to the concentration of Sb(III)/Sb(V). The calibration plots for Sb(III) were linear up to 12.0 µg L-1 depending on the time of deposition. The calibration plots for Sb(V) were linear up to 7.0 µg L-1 , also depending on the time of deposition. The relative standard deviation in the determination of 0.1 µg L-1 of Sb(III) is 4.0% (n = 5), and the limit of detection is as low as 2 ng L-1. In case of 0.1 µg L-1 Sb(V), the relative standard deviation is 3.0% (n = 5) and the detection limit also is 2 ng L-1. The method was applied to the analysis of river water and of sea water samples.

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“…In addition to this dilemma, the high level of concomitant ions in real samples is an important problem for the determination of metals in environmental samples using the usual measurement techniques [1][2][3][4][5]. Therefore, monitoring of environmental pollutants at ultra trace levels by instrumental techniques like those of atomic absorption and atomic emission spectroscopy generally needs an effective sample preconcentration step prior to the measurements [6][7][8][9]. Between various separation and preconcentration procedures, solid phase extraction is a more straightforward method for the enrichment of target analytes before their determination [10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

Modification of Gold Nanoparticle Loaded on Activated Carbon with Bis(4-methoxysalicylaldehyde)-1,2-Phenylenediamine as New Sorbent for Enrichment of Some Metal Ions

Karimipour

Ghaedi

Sahraei

et al. 2011

Biol Trace Elem Res

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In this study, a new sorbent based on the gold nanoparticle loaded in activated carbon (Au-NP-AC) was synthesized and modified by bis(4-methoxy salicylaldehyde)-1,2-phenylenediamine (BMSAPD). This sorbent, which is abbreviated as Au-NP-AC-BMSAPD, has been applied for the enrichment and preconcentration of trace amounts of Co(2+), Cu(2+), Ni(2+), Fe(2+), Pb(2+), and Zn(2+) ions in real samples. All metal ions under study were retained on the Au-NP-AC-BMSAPD sorbent by complexation of the ions with the BMSAPD ligand, providing an efficient preconcentration fashion. The retained metal ions were then eluted from the sorbent by HNO(3) and detected by flame atomic absorption spectrometry. The analytical parameters including pH, amount of ligand, and the nature of the eluent and solid phase were evaluated to obtain the optimum condition for the preconcentration factor. Following the optimum conditions, a preconcentration factor of 200 was obtained for all the metal ions under study with detection limits of 1.4-2.6 ng mL(-1). The method has been successfully applied for the extraction and determination of the ion content in the same real samples with recoveries in the range of 95-99.6% and a relative standard deviation lower than 4.0%.

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A Coulometric Analysis Method and an Ion-exclusion Chromatographic Method for the Determination of Antimony(V) in Large Excess of Antimony(III)

Cited by 3 publications

References 50 publications

Preconcentration–separation of Co2+, Ni2+, Cu2+ and Cd2+ in real samples by solid phase extraction of a calix[4] resorcinarene modified Amberlite XAD-16 resin

Preconcentration–separation of Co2+, Ni2+, Cu2+ and Cd2+ in real samples by solid phase extraction of a calix[4] resorcinarene modified Amberlite XAD-16 resin

Determination of antimony(III) and (V) in natural water by cathodic stripping voltammetry with in-situ plated bismuth film electrode

Modification of Gold Nanoparticle Loaded on Activated Carbon with Bis(4-methoxysalicylaldehyde)-1,2-Phenylenediamine as New Sorbent for Enrichment of Some Metal Ions

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