Gold determination in soil by ICP-MS: comparison of sample pretreatment methods

Tang, Xiaodan; Li, Bing; Lu, Jilong; Liu, Hongyan; Zhao, Yuyan

doi:10.1186/s40543-020-00245-3

Cited by 10 publications

(4 citation statements)

References 44 publications

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“…It is a widely used method for ICP-OES analysis of soil samples (Schneider et al 2016) (Tang et al 2020).…”

Section: Samples Preparation For Icp-oes Analysismentioning

confidence: 99%

WITHDRAWN: Ultrafast Picosecond Laser Spectroscopy and ICP-OES Assisted Calibration-free of Toxic Metal Concentrations in Contaminated Agricultural Soils

El-Saeed,

Tawfik,

Khalil

et al. 2023

Preprint

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Excess fertilizer and chemical use have contaminated soil with harmful heavy metals near the Abu-Zaabal facility in Egypt. This study pioneers an approach using picosecond laser-induced plasma spectroscopy (Ps-LIPS) and inductively coupled plasma optical emission spectrometry (ICP-OES) to quantify toxic metal levels without calibration constraints. A 100 mJ Nd: YAG laser with 170 picosecond pulses has been employed for the Ps-LIPS. Systematic soil sampling at six sites near the facility enabled Ps-LIPS to formulate unrestricted calibration-free curves for lead, cadmium, cobalt, zinc, iron, and nickel. Applying the Boltzmann distribution and plot methods anchored to calcium spectral lines determined plasma electron density and temperature under local thermodynamic equilibrium. Models were validated against ICP-OES, affirming Ps-LIPS with under 8% average relative error. Results revealed notable concentration variations contingent on the metal, sampling site, and orientation to the facility. This pioneering Ps-LIPS study demonstrates precise quantification of toxic metals in soils without prior calibration. It provides a pragmatic tool for contamination assessment, representing a seminal advance in environmental analytical methodology.

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“…It is a widely used method for ICP-OES analysis of soil samples (Schneider et al 2016) (Tang et al 2020).…”

Section: Samples Preparation For Icp-oes Analysismentioning

confidence: 99%

WITHDRAWN: Ultrafast Picosecond Laser Spectroscopy and ICP-OES Assisted Calibration-free of Toxic Metal Concentrations in Contaminated Agricultural Soils

El-Saeed,

Tawfik,

Khalil

et al. 2023

Preprint

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“…Long washing periods (>10 min) were necessary to reach acceptable baseline levels. Au is one of the elements suffering from memory effects associated with interactions with the sample introduction system [30][31][32]. Aqua regia or its reaction products seem to dissolve residues of elemental Au deposited in the sample introduction system (tubing walls, spray chamber, nebuliser) which are not released by aspiration of 2% nitric acid, i.e., the conditioning solution that is typically used.…”

Section: Determination Of the Mass Concentration Of Digested And Non-...mentioning

confidence: 99%

Determination of the Transport Efficiency in spICP-MS Analysis Using Conventional Sample Introduction Systems: An Interlaboratory Comparison Study

Geiss

Bianchi

Bucher³

et al. 2022

Nanomaterials

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In single particle inductively coupled plasma mass spectrometry (spICP-MS), the transport efficiency is fundamental for the correct determination of both particle number concentration and size. In the present study, transport efficiency was systematically determined on three different days with six carefully characterised gold nanoparticle (AuNP) suspensions and in seven European and US expert laboratories using different ICP-MS instruments and spICP-MS software. Both particle size—(TES)—and particle frequency—(TEF)—methods were applied. The resulting transport efficiencies did not deviate much under ideal conditions. The TEF method however systematically resulted in lower transport efficiencies. The extent of this difference (0–300% rel. difference) depended largely on the choice and storage conditions of the nanoparticle suspensions used for the determination. The TES method is recommended when the principal measurement objective is particle size. If the main aim of the measurement is the determination of the particle number concentration, the TEF approach could be preferred as it might better account for particle losses in the sample introduction system.

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“…Poznata spektralna smetnja pri određivanju zlata ( 197 Au + ) u geološkim uzorcima potiče od oksida 181 Ta 16 O + i 180 Hf 16 O 1 H + , a kod srebra ( 107 Ag + ) od 91 Zr 16 O + , 89 Y 18 O + i 90 Zr 16 OH + [8][9][10].…”

Section: Uvodunclassified

Reduction of the matrix effects in the gold and silver analysis using the ICP-MS technique

Đukić¹,

Djordjievski²,

Kovačević³

et al. 2022

Bakar

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Inductively coupled plasma mass spectrometry (ICP-MS) has been an indispensable technique in the analysis of geological samples in the last few decades. This technique can determine a large number of trace elements, such as the precious metals and rare earth elements. However, the technique is limited by the spectral and non-spectral interferences, which can affect the results of analysis. The aim of this study was to reduce the non-spectral interferences by the method of sample dilution (1000 - 10000). A sample containing gold-bearing minerals was subjected to a digestion in aqua regia, and determination was performed on a NexION 1000 PerkinElmer ICP-MS instrument. The results showed that the differences in gold and silver concentrations in the standard and He modes were insignificant at a dilution of 10000 indicating that the matrix effect was reduced applying a higher dilution. The results of XRD analysis have showed that the sulphide minerals pyrite (FeS2 ) and covellite (CuS) were very abundant in the tested samples, so the digestion of these samples with aqua regia has yielded the solutions containing iron and copper as the most abundant components of the matrix.

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Gold determination in soil by ICP-MS: comparison of sample pretreatment methods

Cited by 10 publications

References 44 publications

WITHDRAWN: Ultrafast Picosecond Laser Spectroscopy and ICP-OES Assisted Calibration-free of Toxic Metal Concentrations in Contaminated Agricultural Soils

WITHDRAWN: Ultrafast Picosecond Laser Spectroscopy and ICP-OES Assisted Calibration-free of Toxic Metal Concentrations in Contaminated Agricultural Soils

Determination of the Transport Efficiency in spICP-MS Analysis Using Conventional Sample Introduction Systems: An Interlaboratory Comparison Study

Reduction of the matrix effects in the gold and silver analysis using the ICP-MS technique

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