Development of a miniaturized hydride generation-dielectric barrier discharge atomic absorption spectrometer

Lin, Tao; Hu, Jing; Deng, Yujia; Zeng, Wen; Jiang, Xiaoming; Hou, Xiandeng

doi:10.1016/j.aca.2022.340324

Cited by 5 publications

(2 citation statements)

References 38 publications

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“…Detection was achieved using AFS (rather than the DBD itself) with MDL of 0.04 mg kg −1 in seafood samples. Lin et al 78 developed a miniaturised AAS instrument, with a DBD atomiser and HG for sample introduction, for the determination of Cd. Hydrogen was added to the Ar carrier gas to enhance the AAS signal and the mechanism investigated using OES, XPS and ICP-MS.…”

Section: Instrumentationmentioning

confidence: 99%

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

Evans

Pisonero

Smith

et al. 2023

J. Anal. At. Spectrom.

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Section: Instrumentationmentioning

confidence: 99%

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

Evans

Pisonero

Smith

et al. 2023

J. Anal. At. Spectrom.

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“…To fulfill the simultaneous detection of Hg and Cd, atomic spectrometers must be improved in terms of the light source, light path, and detector [29][30][31]. Cold vapor (CV) AAS is well known for its stability and simplicity and has frequently been employed in commercial Hg analyzers [32,33].…”

Section: Introductionmentioning

confidence: 99%

Rapid and Portable Detection of Hg and Cd in Grain Samples Based on Novel Catalytic Pyrolysis Composite Trap Coupled with Miniature Atomic Absorption Spectrometry

Liu

Liu²,

Mao

et al. 2023

Foods

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As toxic metals, Hg and Cd are a concern for food safety and human health; their rapid and portable analysis is still a challenge. A portable and rapid Hg–Cd analyzer constructed from a metal–ceramic heater (MCH)-based electrothermal vaporizer (ETV), an on-line catalytic pyrolysis furnace (CPF), a composite Pt/Ni trap, and a homemade miniature atomic absorption spectrometer (AAS) was proposed for grain analysis in this work. To enhance sensitivity, a new folded light path was designed for simultaneous Hg and Cd analysis using charge coupled device (CCD) in AAS. To eliminate the grain matrix interference, a catalytic pyrolysis furnace with aluminum oxide fillers was utilized to couple with a composite Pt/Ni trap. The method limits of detection (LODs) were 1.1 μg/kg and 0.3 μg/kg for Hg and Cd using a 20 mg grain sample, fulfilling the real sample analysis to monitor the grain contamination quickly; linearity R2 > 0.995 was reached only using standard solution calibration, indicating the sample was free of grain matrix interference. The favorable analytical accuracy and precision were validated by analyzing real and certified reference material (CRM) grains with recoveries of 97–103% and 96–111% for Hg and Cd, respectively. The total analysis time was less than 5 min without sample digestion or use of any chemicals, and the instrumental size and power consumption were <14 kg and 270 W, respectively. Compared with other rapid methods, this newly designed Hg–Cd analyzer is proven to be simple, portable, and robust and is, thus, suitable to quickly monitor Hg and Cd contamination in the field to protect grain and food safety.

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Determination of Cadmium in Water Samples by FR-PAN Fluorescence Method

Wang,

Lin,

Liu

et al. 2024

Water Air Soil Pollut

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Development of a miniaturized hydride generation-dielectric barrier discharge atomic absorption spectrometer

Cited by 5 publications

References 38 publications

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

Rapid and Portable Detection of Hg and Cd in Grain Samples Based on Novel Catalytic Pyrolysis Composite Trap Coupled with Miniature Atomic Absorption Spectrometry

Determination of Cadmium in Water Samples by FR-PAN Fluorescence Method

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