Determination of Cu, As, Hg and Pb in vegetable oils by electrothermal vaporization inductively coupled plasma mass spectrometry with palladium nanoparticles as modifier

Hsu, Wan‐Hsuan; Jiang, Shiuh‐Jen; Sahayam, A.C.

doi:10.1016/j.talanta.2013.09.013

Cited by 73 publications

(20 citation statements)

References 33 publications

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“…In addition to their use as homogeneous or heterogeneous catalyst (Kim et al, 2002), nanoparticles of palladium are widely used in many applications such as hydrogen storage (Hakamada et al, 2011), hydrogen sensor (Mubeen et al, 2007), chemical modifier in ETV-ICP-MS (Hsu et al, 2013), automotive catalytic converter, chemo-optical transducers, plasmonic wave guides, and optical limiting devices (Meena Kumari et al, 2013). The biogenic synthesis of metallic nanoparticles has gained considerable attention in the recent times as a viable option to physical and chemical methods, due to the adaptation of most of the green chemistry principles (Anastas and Warner, 1998).…”

Section: Introductionmentioning

confidence: 99%

Green synthesis of palladium nanoparticles using gum ghatti (Anogeissus latifolia) and its application as an antioxidant and catalyst

Kora

Rastogi

2018

Arabian Journal of Chemistry

193

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A facile and green route for the synthesis of palladium nanoparticles from palladium chloride was developed using non-toxic, renewable plant polymer, gum ghatti (Anogeissus latifolia), as both the reducing and stabilizing agent. The generated nanoparticles were characterized with UV-visible spectroscopy (UV-vis), dynamic light scattering (DLS), transmission electron microscopy (TEM), and X-ray diffraction (XRD) techniques. The formation of palladium nanoparticles was confirmed from the appearance of intense brown colour and broad continuous absorption spectra in the UV-visible region. The produced nanoparticles were found to be spherical in shape, polydisperse and the average particle size was 4.8 ± 1.6 nm. The face centred cubic crystal structure of the fabricated nanoparticles is confirmed from the selected-area electron diffraction and XRD patterns. Compared to earlier reports, the nanoparticles showed superior antioxidant at a much lower nanoparticle dose. Also, the homogenous catalytic activity of palladium nanoparticles was studied by probing the reduction of dyes such as coomassie brilliant blue G-250, methylene blue, methyl orange, and a nitro compound, 4-nitrophenol with sodium borohydride. The nanoparticles exhibited excellent catalytic activity in dye degradation and the results of this study demonstrate the possible application of biogenic palladium nanoparticles as nanocatalyst in environmental remediation. ª 2015 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Section: Introductionmentioning

confidence: 99%

Green synthesis of palladium nanoparticles using gum ghatti (Anogeissus latifolia) and its application as an antioxidant and catalyst

Kora

Rastogi

2018

Arabian Journal of Chemistry

193

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“…These slurries were analyzed for Ge, As, Cd, Sb, Hg and Bi using ICP-MS by injecting 100 mL of the slurry into the VG system. The concentrations of analytes in the sample were calculated by the equation described in a previous paper [25] and/or from the standard addition calibration curves.…”

Section: Sample Preparationmentioning

confidence: 99%

Slurry sampling flow injection chemical vapor generation inductively coupled plasma mass spectrometry for the determination of trace Ge, As, Cd, Sb, Hg and Bi in cosmetic lotions

Chen

Jiang

Chen

et al. 2015

Analytica Chimica Acta

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“…Electro‐thermal vaporization makes use of the instant heat on the heating element, such as metal wire, graphite/metal cup, or graphic rod to heat the sample on it so that elements with different boiling points will be sequentially vaporized and be carried into the source by carrier gas if combining with AES, or just stayed in the chamber if combining with atomic absorption spectrometry (AAS). Yet, this heating sequence cannot be perfectly repeated on the heating elements; although equipped with advanced voltage and current controlling systems, other physical unstable factors caused by the heating element may break the stability of the heating sequence, and this influence is not that easy to be predicted, especially for metal heating elements.…”

Section: Introductionmentioning

confidence: 99%

Feasibility of peak volume algorithm in electrothermal vaporization microwave plasma atomic emission spectrometry

Shan

Jin

et al. 2018

Journal of Chemometrics

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Electro‐thermal vaporization has served as an alternative sample introduction method in atomic spectrometry for some time and provided a better solution for quick analysis of complicated samples because of its high sensitivity and effective separation of analyte from matrix materials. The quick heating process produces sharp signals that can provide much better limits of detection with significant improvements compared with the nebulization sample introduction method. However, it also makes the results worse repeatable, which leads to a worse analytical precision. To improve the precision of the newly developed electrothermal vaporization microwave plasma atomic emission spectrometry and to make good use of the limited data obtained in a limited period of time, some different evaluation methods, such as peak height (symbol, Ih), peak area (symbol, IΣt), and peak volume (symbol, IΣλ‐t) for the results treatment are compared in this paper. It comes out that the results calculated by the optimized peak volume algorithm can significantly improve the precision and retain the high linearity at the same time. Limit of detection of this electrothermal vaporization microwave plasma atomic emission spectrometry system used in this paper for Cu was shown to be 1 μg/L, and the relative standard deviation of 11 repeated measurements can be improved from 10% to 5.6% while retaining good linearity, as expressed by both the squared correlation coefficient obtained with optimized peak volume algorithm and with raw peak height method (squared correlation coefficient of the standard curve R2 > 0.999).

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Determination of Cu, As, Hg and Pb in vegetable oils by electrothermal vaporization inductively coupled plasma mass spectrometry with palladium nanoparticles as modifier

Cited by 73 publications

References 33 publications

Green synthesis of palladium nanoparticles using gum ghatti (Anogeissus latifolia) and its application as an antioxidant and catalyst

Green synthesis of palladium nanoparticles using gum ghatti (Anogeissus latifolia) and its application as an antioxidant and catalyst

Slurry sampling flow injection chemical vapor generation inductively coupled plasma mass spectrometry for the determination of trace Ge, As, Cd, Sb, Hg and Bi in cosmetic lotions

Feasibility of peak volume algorithm in electrothermal vaporization microwave plasma atomic emission spectrometry

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