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Related Experiment Videos

Trace metals speciation by HPLC with plasma source mass spectrometry detection

F A Byrdy1, J A Caruso

  • 1University of Cincinnati, Department of Chemistry, Ohio 45221-0172, USA.

Environmental Health Perspectives
|February 1, 1995
PubMed
Summary

Plasma mass spectrometry offers sensitive trace element analysis for environmental and biological samples. Coupling High-Performance Liquid Chromatography (HPLC) with Inductively Coupled Plasma Mass Spectrometry (ICP-MS) enables crucial speciation analysis.

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Area of Science:

  • Analytical Chemistry
  • Environmental Science
  • Biochemistry

Background:

  • Trace element analysis in environmental and biological samples demands high sensitivity, often at the parts per billion (ppb) level.
  • Plasma source mass spectrometry (MS) provides excellent sensitivity and selectivity for trace element determination.
  • Atomic emission detection has higher detection limits compared to plasma MS.

Purpose of the Study:

  • To highlight the potential of plasma source mass spectrometry for trace element analysis and speciation.
  • To discuss the advantages of interfacing High-Performance Liquid Chromatography (HPLC) with plasma MS for speciation.
  • To review recent advancements in HPLC-ICP-MS techniques, focusing on laboratory-specific work.

Main Methods:

  • Utilizing plasma source mass spectrometry for highly selective and sensitive detection of trace elements.

Related Experiment Videos

  • Employing High-Performance Liquid Chromatography (HPLC) for the separation of different chemical forms of elements.
  • Interfacing HPLC with Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to achieve elemental speciation.

    • Main Results:

    • Plasma MS offers detection limits two to three orders of magnitude lower than atomic emission detection.
    • HPLC-ICP-MS enables the determination and quantitation of various chemical forms (speciation) of elements.
    • Recent work demonstrates the efficacy of various HPLC-ICP-MS techniques for detailed speciation analysis.

    Conclusions:

    • Plasma source mass spectrometry is a powerful technique for ppb-level trace element detection.
    • HPLC-ICP-MS is essential for elemental speciation, providing detailed information on chemical forms.
    • The reviewed techniques represent significant advancements in environmental and biological sample analysis.