Ion-chromatographic determination of seven common anions in electronic-grade, water-miscible solvents

Vanatta, L.E.

doi:10.1016/j.chroma.2008.09.047

Cited by 25 publications

(12 citation statements)

References 4 publications

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“…Electrochemical techniques such as amperometry and differential pulse voltammetry can be seen as a highly sensitive, selective and facile methods for electrochemical sensing. Being environmentally benign and economical, electrochemical methods of nitrite detection outperform among different methods including chromatography [15], spectrophotometry [16], chemiluminescence [17], spectrofluorimetry [18] and flow injection analysis [19] that are expensive and time consuming.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Detection of Nitrite Using Glassy Carbon Electrode Modified with Silver Nanospheres (AgNS) Obtained by Green Synthesis Using Pre‐hydrolysed Liquor

Shivakumar¹,

Nagashree²,

Manjappa

et al. 2017

Electroanalysis

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Silver nanospheres (AgNS) with SPR band ∼417 nm was synthesized by Green synthesis, using a pre‐hydrolysed liquor (PHL) of Nilgiri wood without any pretreatment. The synthesis was carried out at room temperature and was complete within three hours. The reduction and stabilization of silver is brought about by hemicelluloses present in the pre‐hydrolysed liquor. Electrochemical oxidation of nitrite on glassy carbon electrode (GCE) modified with the AgNS in 0.1 M phosphate buffer solution (PBS) of pH 7.0 was found to occur at 0.86 V with respect to Ag/AgCl. Electrochemical sensing experiments with AgNS/GCE showed a linear range of detection between 0.1 to 8 μM, with detection limit of 0.031 μM and a sensitivity of 580 μA mM−1cm−2.

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Section: Introductionmentioning

confidence: 99%

Electrochemical Detection of Nitrite Using Glassy Carbon Electrode Modified with Silver Nanospheres (AgNS) Obtained by Green Synthesis Using Pre‐hydrolysed Liquor

Shivakumar¹,

Nagashree²,

Manjappa

et al. 2017

Electroanalysis

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“…The obtained analytical parameters such as limit of detection (LOD) and linear response range are presented in Table . In order to make a realistic comparison with previous reports , the characteristics of other chemically modified electrochemical sensor for nitrite detection are given in Table . It can be clearly seen that the CeW nanosheets modified RDGCE offered good sensitivity, linear concentrations response range which is wider than that from most of other nitrite electrochemical sensors.…”

Section: Resultsmentioning

confidence: 99%

A Novel Cerium Tungstate Nanosheets Modified Electrode for the Effective Electrochemical Detection of Carcinogenic Nitrite Ions

Kumar¹,

Karthik

Chen

et al. 2017

Electroanalysis

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In this present scenario, for the first time, we propose a facile and simple wet chemical approach for the fabrication of two‐dimensional (2D) cerium tungstate (CeW2O9;CeW) nanosheets and evaluated as an electrochemical sensor for the detection of nitrite ions. The successful formation of CeW2O9 nanosheets was confirmed by various physicochemical techniques such as X‐ray diffraction, Fourier transform infrared spectroscopy, Raman, Scanning electron microscope, Transmission electron microscope and Energy dispersive X‐ray studies. The electrochemical properties of the CeW nanosheets were studied by using cyclic voltammograms (CV) and chronoamperometric techniques. As an electrochemical sensor, the CeW nanosheets modified glassy carbon electrode (GCE) showed superior electrocatalytic activity in the oxidation of nitrite in terms of higher anodic peak current and lower oxidation potential when compared with unmodified GCE. CeW nanosheets based electrochemical sensor has been fabricated which detect nitrite in wide linear response range, good sensitivity and very low detection limit of 0.02–986 μM, 2.85 μA μM−1 cm−2 and 8 nM, respectively. Moreover, the CeW nanosheets modified GCE exhibited excellent selectivity even in the presence of common metal ions and biologically co‐interfering compounds. For the practical viability of the prepared amperometric sensor has been utilized in various water samples such as tap, lake and drinking water and the obtained recoveries are appreciable.

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“…The European Community has established the maximum admissible levels of nitrite in drinking water at 0.1 mg L À1 [2]. Many methods for nitrite determination have been developed in recent years, for example, spectroscopic [3], chromatographic [4] and electrochemical methods [5,6], etc. Through the reaction of nitrite with sulfanilamide and N-(1-naphthyl)ethylenediamine, nitrite is traditionally determined by spectrophotometry [7].…”

Section: Introductionmentioning

confidence: 99%

Au–Fe(III) nanoparticle modified glassy carbon electrode for electrochemical nitrite sensor

Liu

Kang

et al. 2009

Journal of Electroanalytical Chemistry

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Ion-chromatographic determination of seven common anions in electronic-grade, water-miscible solvents

Cited by 25 publications

References 4 publications

Electrochemical Detection of Nitrite Using Glassy Carbon Electrode Modified with Silver Nanospheres (AgNS) Obtained by Green Synthesis Using Pre‐hydrolysed Liquor

Electrochemical Detection of Nitrite Using Glassy Carbon Electrode Modified with Silver Nanospheres (AgNS) Obtained by Green Synthesis Using Pre‐hydrolysed Liquor

A Novel Cerium Tungstate Nanosheets Modified Electrode for the Effective Electrochemical Detection of Carcinogenic Nitrite Ions

Au–Fe(III) nanoparticle modified glassy carbon electrode for electrochemical nitrite sensor

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