A novel photochemical vapor generator for ICP-MS determination of As, Bi, Hg, Sb, Se and Te

Romanovskiy, K. A.; Bolshov, M.A.; Münz, Alexander V.; Темердашев, З. А.; Burylin, M. Yu.; Sirota, Karina A.

doi:10.1016/j.talanta.2018.05.052

Cited by 48 publications

(15 citation statements)

References 22 publications

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“…Compared to the reported PVG−ICP MS system, the LOD has been improved 43-fold. 29 The accurate determination of the background concentration range of Bi in freshwater is important for the relative research in the field of environmental science. 30,43 To validate the accuracy of the proposed method, three environmental water samples were analyzed.…”

Section: ■ Results and Discussionmentioning

confidence: 99%

“…PVG efficiencies of elements are highly dependent on the type and concentration of low molecular organic compounds (LMOCs) used. AA was reported to be the most efficient medium for Bi in the PVG system. , Therefore, the effect of concentration of AA from 1 (v/v) to 30% (v/v) on the photochemical reduction of 2 ng mL –1 Bi 3+ was investigated in the presence of 60 μg mL –1 Fe 3+ . Interestingly, the signal response from AA in the investigated range was almost ignored when the sample solution was continuously introduced to the PVG reactor without stopping (corresponding to a 13 s irradiation time) at a flow rate of 3.8 mL min –1 .…”

Section: Resultsmentioning

confidence: 99%

“…30 The limit of detection of Bi obtained by PVG−inductively coupled plasma mass spectroscopy (ICP MS) using a PVG reactor was found to be nearly 20-fold higher than As, Sb, and Te in a recent publication. 29 Interestingly, it was found that transition metal ions can significantly enhance the PVG generation efficiency of analytes. 19 In the presence of nickel ions, a significant improvement of PVG efficiency was found for Pb with a detection limit of 0.005 ng g −1 .…”

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confidence: 99%

“…PVG provides simpler reactions and greener chemistry compared to conventional hydride generation (HG). However, for bismuth (Bi), an important trace element in the natural world, , the PVG sample introduction efficiency is rather low, , resulting in problems to achieve sensitive detection, especially for the analysis of natural waters at a ng L –1 level . The limit of detection of Bi obtained by PVG–inductively coupled plasma mass spectroscopy (ICP MS) using a PVG reactor was found to be nearly 20-fold higher than As, Sb, and Te in a recent publication …”

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confidence: 99%

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Enhanced Photochemical Vapor Generation for the Determination of Bismuth by Inductively Coupled Plasma Mass Spectrometry

Jia

Shi

et al. 2018

Anal. Chem.

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An enhanced photochemical vapor generation (PVG) sample introduction procedure is developed for the determination of trace Bi with inductively coupled plasma mass spectrometry (ICP MS) by the addition of iron. Gas chromatography mass spectrometry (GC−MS) reveals that (CH 3 ) 3 Bi is the major component of the volatile Bi species formed in the presence of 20% (v/v) acetic acid, 5% (v/v) formic acid, and 60 μg mL −1 Fe 3+ under UV irradiation. The addition of Fe 3+ not only largely increases the PVG efficiency of Bi 3+ but also accelerates the reaction kinetics of photochemical reduction of Bi 3+ . The analytical sensitivity was enhanced 30fold using PVG for sample introduction compared to that for direct solution nebulization detection by ICP MS detection. Furthermore, the proposed method shows much better tolerance of interference from Cu 2+ and Ni 2+ than that from conventional hydride generation (HG). Under the optimized conditions, a detection limit of 0.3 ng L −1 was obtained for Bi by ICP MS determination. The relative standard deviation (RSD) was 2.5% for seven replicate measurements of 0.5 ng mL −1 Bi 3+ standard solution. The proposed method has been successfully applied for the determination of Bi in environmental samples, including water samples, and certified reference material of soil (GSS-1) and sediments (GSD-5a and GSD-10) with satisfying results.

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Section: ■ Results and Discussionmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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Enhanced Photochemical Vapor Generation for the Determination of Bismuth by Inductively Coupled Plasma Mass Spectrometry

Jia

Shi

et al. 2018

Anal. Chem.

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“…Other ways are HG-ICP OES [ 24 ], HG-ICP-MS [ 25 , 26 ], and hydride generation laser-induced breakdown spectrometry (HG-LIBS) [ 27 ]. In addition, the use of UV photochemical vapor generation (UV-PVG) [ 28 , 29 ] coupled with spectrometric methods such as UV-PVG-AFS [ 30 ], UV-PVG-GFAAS [ 31 , 32 ], and UV-PVG-ICP-MS [ 33 , 34 ] resulted in enhanced sensitivity and lower susceptibility to non-spectral interference compared to conventional HG. Recently, hydride generation liquid anode/cathode atmospheric pressure glow discharge optical emission spectrometry (HG-FLA-APGD-OES, HG-FLC-APGD-OES) in a unique set-up was investigated by Pohl et al in Poland [ 35 , 36 ].…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Determination of As, Bi, Sb, Se, Te, Hg, Pb and Sn by Small-Sized Electrothermal Vaporization Capacitively Coupled Plasma Microtorch Optical Emission Spectrometry Using Direct Liquid Microsampling

et al. 2021

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The simultaneous determination of chemical vapor-generating elements involving derivatization is difficult even by inductively coupled plasma optical emission spectrometry or mass spectrometry. This study proposes a new direct liquid microsampling method for the simultaneous determination of As, Bi, Se, Te, Hg, Pb, and Sn, using a fully miniaturized set-up based on electrothermal vaporization capacitively coupled plasma microtorch optical emission spectrometry. The method is cost-effective, free from non-spectral interference, and easy to run by avoiding derivatization. The method involves the vaporization of analytes from the 10 µL sample and recording of episodic spectra generated in low-power (15 W) and low-Ar consumption (150 mL min−1) plasma microtorch interfaced with low-resolution microspectrometers. Selective vaporization at 1300 °C ensured the avoidance of non-spectral effects and allowed the use of external calibration. Several spectral lines for each element even in the range 180–210 nm could be selected. Generally, this spectral range is examined with large-scale instrumentation. Even in the absence of derivatization, the obtained detection limits were low (0.02–0.75 mg kg−1) and allowed analysis of environmental samples, such as cave and river sediments. The recovery was in the range of 86–116%, and the accuracy was better than 10%. The method is of general interest and could be implemented on any miniaturized or classical laboratory spectrometric instrumentation.

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Deska¹,

Heine²,

Hoch³

et al. 2018

Nachr Chem

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A novel photochemical vapor generator for ICP-MS determination of As, Bi, Hg, Sb, Se and Te

Cited by 48 publications

References 22 publications

Enhanced Photochemical Vapor Generation for the Determination of Bismuth by Inductively Coupled Plasma Mass Spectrometry

Enhanced Photochemical Vapor Generation for the Determination of Bismuth by Inductively Coupled Plasma Mass Spectrometry

Simultaneous Determination of As, Bi, Sb, Se, Te, Hg, Pb and Sn by Small-Sized Electrothermal Vaporization Capacitively Coupled Plasma Microtorch Optical Emission Spectrometry Using Direct Liquid Microsampling

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