Analysis of rice and wheat flour by particle nebulization ICP-MS

Shi, Changzhi; Guo, Wei; Liu, Jin; Hu, Shenghong

doi:10.1039/d0ra07224a

Cited by 5 publications

(3 citation statements)

References 37 publications

(28 reference statements)

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“…One of the experimental works performed using particle nebulization ICP-MS method showed interesting findings. Although it was principally different from transportation efficiency by laser ablation, it was found that very fine particles (~1 µm) can be achieved to ensure efficient particle transportation, ionization, and recoveries comparable with those of the standard solutions containing equivalent concentrations of the analyte [ 28 ]. This emphasizes that sufficient small particles are obtained with and uniform sizes during the process.…”

Section: Resultsmentioning

confidence: 99%

Feasibility of Matrix-Matched Material for Determining Elements in Rice Flour by SN-ICP-MS and LA-ICP-MS

Kukusamude,

Kongsri,

Tamklang

et al. 2024

Foods

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The preparation of matrix-matched material for elemental quantitative analysis in rice flour matrix is proposed here for the first time as part of a feasibility study using the SN-ICP-MS and LA-ICP-MS methods. It was prepared via the spiking process in colloidal solution of rice flour with different levels of arsenic (As), cadmium (Cd) and lead (Pb), followed by drying in a climatic chamber. Comparative studies of the results on external calibration and gravimetric standard addition ICP-MS approaches through the use of calibration standard solutions were discussed. Method bias from the external calibration method was investigated, demonstrating the systematic effect arising from the sample matrix. Characterizing the concentration of measurands was then reasonably proposed using the gravimetric standard addition ICP-MS. Using powdered rice matrix reference material for ICP-MS calibration following acid digestion, the study showed a good agreement of recovery studies. A feasibility study of the LA-ICP-MS method as a direct solid analysis performed on the matrix-matched standard was then discussed. In the study, large fluctuation of signals was found for constructing calibration curve, generating poor linearity, especially for As and Pb, although yttrium (Y) as internal standard was applied. This might be ascribed to a limited microscale of homogeneity, and particularly laser-induced preferential evaporation of volatile elements. Using a number of measured data points, the mean and median were statistically recommended to improve precision. An attempt to use of similar matrix in both standard and sample is a critical point to consider to minimize the elemental fractionation effect. The proposed approach to prepare matrix-matched material could be a potential means for achieving elemental quantitation.

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Section: Resultsmentioning

confidence: 99%

Feasibility of Matrix-Matched Material for Determining Elements in Rice Flour by SN-ICP-MS and LA-ICP-MS

Kukusamude,

Kongsri,

Tamklang

et al. 2024

Foods

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“…8.2.5 Cereals. Shi et al 59 investigated direct nebulisation of solid particles for the determination of the As, Cd, Hg and Pb content in wheat and rice by ICP-MS. These two grains form the basis of the majority of diets across the globe, so ensuring that the levels of these toxic elements are very low is important.…”

Section: Applications: Foods and Beveragesmentioning

confidence: 99%

“…This approach offers a high throughput alternative to traditional digestion methods. The first procedure, 59 applied to the determination of heavy metals in rice and wheat flour, required particle sizes smaller than 3.3 to 3.5 μm to achieve efficient transportation and ionisation and to allow calibration against aqueous standards. The results of the analysis of SRMs ranged from 94% to 107% of the certified values and RSDs were between 0.4% and 6.5%.…”

Section: Progress With Analytical Techniquesmentioning

confidence: 99%

Atomic spectrometry update: review of advances in the analysis of clinical and biological materials, foods and beverages

Patriarca

Barlow

Cross³

et al. 2022

J. Anal. At. Spectrom.

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New frontiers and prospects of MXene-based photoelectrochemical sensing system for detection of pollutant in food and environment

Al-Hawary,

Saleh,

Hadrawi

et al. 2024

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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Analysis of rice and wheat flour by particle nebulization ICP-MS

Abstract: A simple and green particle nebulization ICP-MS method for the direct measurement of trace toxic elements in rice and wheat samples was developed.

Cited by 5 publications

References 37 publications

Feasibility of Matrix-Matched Material for Determining Elements in Rice Flour by SN-ICP-MS and LA-ICP-MS

Feasibility of Matrix-Matched Material for Determining Elements in Rice Flour by SN-ICP-MS and LA-ICP-MS

Atomic spectrometry update: review of advances in the analysis of clinical and biological materials, foods and beverages

New frontiers and prospects of MXene-based photoelectrochemical sensing system for detection of pollutant in food and environment

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