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Related Experiment Videos

Solving chemical problems of environmental importance using cavity ring-down spectroscopy.

Dean B Atkinson1

  • 1Department of Chemistry, Portland State University, Portland, OR 97207-0751, USA.

The Analyst
|March 11, 2003
PubMed
Summary

Cavity ring-down spectroscopy (CRD) offers sensitive chemical measurements for environmental analysis. This review highlights CRD applications for environmental chemists, categorizing methods and distinguishing field-ready instruments from initial studies.

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Area of Science:

  • Analytical Chemistry
  • Environmental Science
  • Spectroscopy

Background:

  • Cavity ring-down (CRD) spectroscopy is a highly sensitive absorption technique.
  • CRD spectroscopy is increasingly adopted for diverse chemical measurement applications.
  • Environmental chemists and analysts face challenges in environmental problem-solving.

Purpose of the Study:

  • To review the applications of CRD spectroscopy relevant to environmental chemistry.
  • To categorize CRD applications for environmental analysis.
  • To differentiate between field-tested CRD instruments and proof-of-principle studies.

Main Methods:

  • Literature review of CRD spectroscopy applications.
  • Classification of applications into direct monitoring, indirect analysis, and ancillary studies.

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  • Distinction between field-deployable and laboratory-based CRD systems.

    • Main Results:

    • Identified a range of CRD spectroscopy applications for environmental monitoring.
    • Categorized methods provide a framework for understanding CRD utility.
    • Highlighted the progression from proof-of-principle studies to field-tested instrumentation.

    Conclusions:

    • CRD spectroscopy is a valuable tool for environmental chemical measurements.
    • The review offers a structured overview of CRD applications for environmental scientists.
    • Future research can build upon existing field-tested and developmental CRD technologies.