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Related Concept Videos

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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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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Updated: Jan 18, 2026

Extraction of Organochlorine Pesticides from Plastic Pellets and Plastic Type Analysis
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Investigating metal distribution patterns in pristine and ocean-weathered plastics using LA-ICP-TOFMS.

Lyndsey Hendriks1, Matthias Egger2,3, Denise M Mitrano4

  • 1Institute of Analytical Chemistry, University of Vienna Währingerstraße 38 1090 Vienna Austria lyndsey.hendriks@univie.ac.at.

Journal of Analytical Atomic Spectrometry
|September 10, 2025
PubMed
Summary
This summary is machine-generated.

Larger plastic debris in oceans can redistribute hazardous metals. Weathered plastics show elemental changes, with surface depletion and enrichment from seawater, highlighting new analytical methods for marine pollution studies.

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Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
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Area of Science:

  • Environmental Science
  • Marine Pollution
  • Materials Science

Background:

  • Plastic pollution in marine environments poses ecological risks due to the release of hazardous substances, including metal additives.
  • While microplastics are recognized as contaminant vectors, the role of larger macroplastics in substance redistribution is less understood.
  • Investigating metal distribution in marine plastics is crucial for understanding contaminant transport and weathering processes.

Purpose of the Study:

  • To analyze the elemental composition and distribution in pristine and weathered marine macroplastics.
  • To investigate the role of macroplastics in the spatial and temporal redistribution of metals in marine environments.
  • To demonstrate the utility of advanced analytical techniques for mapping elemental distribution in plastics.

Main Methods:

  • Fourier-Transform Infrared Spectroscopy (FTIR) for polymer identification.
  • Inductively Coupled Plasma Mass Spectrometry (ICP-MS) for bulk metal quantification.
  • Laser Ablation Inductively Coupled Plasma Time-of-Flight Mass Spectrometry (LA-ICP-TOFMS) for high-resolution elemental mapping.

Main Results:

  • Detailed elemental maps revealed native metal distribution in pristine plastics.
  • Weathered plastics exhibited surface depletion of intrinsic metals and enrichment of seawater-derived elements (e.g., Na, Mg, I).
  • Spatial distribution trends across plastic cross-sections showed directional gradients, indicating redistribution.

Conclusions:

  • LA-ICP-TOFMS is a powerful tool for mapping elemental distribution in plastics, offering novel insights into marine pollution.
  • Weathering alters the elemental composition of macroplastics, influencing their role in contaminant redistribution.
  • This study provides a foundation for future research on plastic weathering and its impact on marine ecosystems.