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Related Experiment Videos

Application of the reference-element technique for fast sequential flame atomic-absorption spectrometry.

Hans-Dieter Projahn1, Ute Steeg, John Sanders

  • 1Varian Deutschland GmbH, Alsfelder Strasse 6, 64289 Darmstadt, Germany. dieter.projahn@varianinc.com

Analytical and Bioanalytical Chemistry
|September 19, 2003
PubMed
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Fast sequential flame atomic-absorption spectrometry (FS-FAAS) offers rapid, multi-element analysis comparable to ICP-OES. Incorporating a reference-element technique enhances accuracy and precision by correcting common interferences and drift.

Area of Science:

  • Analytical Chemistry
  • Spectroscopy

Background:

  • Conventional flame atomic-absorption spectrometry (FAAS) is a widely used technique for elemental analysis.
  • Sequential inductively coupled plasma optical emission spectrometry (ICP-OES) offers multi-element capabilities but can be slower than some FAAS methods.

Purpose of the Study:

  • To present the requirements and implementation of a Fast Sequential Flame Atomic-Absorption Spectrometry (FS-FAAS) instrument.
  • To detail the application of the reference-element technique with FS-FAAS for improved analytical performance.
  • To demonstrate the benefits of FS-FAAS with reference-element correction in practical applications.

Main Methods:

  • Development and implementation of a Fast Sequential Flame Atomic-Absorption Spectrometry (FS-FAAS) system.
  • Application of the reference-element technique to correct for transport problems and long-term drift.

Related Experiment Videos

  • Performance evaluation using mineral and scrap wood digest samples.

    • Main Results:

    • FS-FAAS achieves analysis speeds comparable to or exceeding sequential ICP-OES.
    • The reference-element technique effectively corrects for common interferences, improving accuracy and precision.
    • Demonstrated reliable elemental determination in complex matrices like mineral and scrap wood digests.

    Conclusions:

    • FS-FAAS is a rapid, sequential multi-element technique retaining FAAS advantages like ease of use.
    • The reference-element technique is crucial for mitigating common errors and enhancing the reliability of FS-FAAS analysis.
    • FS-FAAS with reference-element correction is suitable for routine elemental determination in the mg L(-1) range.