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Related Concept Videos

Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences01:20

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Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and...
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AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
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Inductively Coupled Plasma–Mass Spectrometry (ICP–MS): Overview01:19

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In inductively coupled plasma–mass spectrometry (ICP–MS), an inductively coupled plasma (ICP) torch is used as an atomizer and ionizer. Solid samples are dissolved and volatilized before being introduced into the high-temperature argon plasma, while solution samples are nebulized and passed through the high-temperature argon plasma. Plasma dissociates the analytes and ionizes their component atoms to form a mixture of positive ions and molecular species. The positive ions are then...
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Atomic Absorption Spectroscopy: Atomization Methods01:25

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Atomic Absorption Spectroscopy (AAS) atomizes samples through flame atomization or electrothermal atomization. Flame atomization typically involves a nebulizer and spray chamber assembly to combine the sample with a fuel–oxidant mixture, creating a fine aerosol mist that enters a burner. Typically, the fuel and oxidant are combined in an approximately stoichiometric ratio. However, for atoms that are easily oxidized, a fuel-rich mixture may be more advantageous. Only about 5% of the...
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Atomic Emission Spectroscopy: Overview01:20

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Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
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Atomic Absorption Spectroscopy: Lab01:21

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For AAS measurements, samples must be introduced as clear solutions, often requiring extensive preliminary treatment to dissolve materials like soils, animal tissues, and minerals. Common methods for sample preparation include treatment with hot mineral acids, wet ashing, combustion in closed containers, high-temperature ashing, or fusion with reagents.
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Related Experiment Video

Updated: Jan 15, 2026

Reducing Willow Wood Fuel Emission by Low Temperature Microwave Assisted Hydrothermal Carbonization
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Trace element quantification in solid fuel wastes by LA-ICP-MS: a review.

Dan Yang1, Kristel Tanilas1, Oliver Järvik1

  • 1Department of Energy Technology, Tallinn University of Technology, 19086, Tallinn, Estonia.

Talanta
|October 16, 2025
PubMed
Summary

Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) offers sensitive trace element analysis in solid wastes. This method aids in environmental risk assessment and resource recovery from materials like coal ash.

Keywords:
CalibrationEnvironmental risk assessmentLA-ICP-MSREEsWaste management

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Area of Science:

  • Analytical Chemistry
  • Environmental Science
  • Materials Science

Background:

  • Solid fuel wastes (coal fly ash, biomass char, petroleum coke) present complex matrices for elemental analysis.
  • Accurate trace element determination is vital for environmental risk assessment and resource recovery.
  • Existing methods struggle with the heterogeneity and compositional complexity of these wastes.

Purpose of the Study:

  • To highlight the utility of Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) for analyzing trace elements in solid fuel wastes.
  • To demonstrate LA-ICP-MS's capability for in situ micro-area characterization and spatial distribution mapping.
  • To identify challenges and future research directions for optimizing LA-ICP-MS in this application.

Main Methods:

  • Utilizing Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS) for trace element determination.
  • Performing in situ micro-area characterization without extensive sample preparation.
  • Mapping the spatial distribution of hazardous metals (Pb, Cd, Cr) and Rare Earth Elements (REEs).

Main Results:

  • LA-ICP-MS provides high sensitivity (ng/g detection limits) and spatial resolution (1-100 μm) for multi-element analysis.
  • The technique successfully maps hazardous elements and REEs in heterogeneous waste matrices.
  • Identified REE-enriched micro-domains in coal ash exceeding 500 μg/g.

Conclusions:

  • LA-ICP-MS is a powerful tool for environmental risk assessment and resource recovery from solid fuel wastes.
  • Challenges include matrix effects, calibration standard scarcity, and universal calibration limitations.
  • Future work should focus on optimizing sample preparation, calibration strategies, and integrating complementary techniques for sustainable waste management.