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Related Experiment Videos

Recent developments in electrospray mass spectrometry including implementation on an ion trap

J Henion1, T Wachs, A Mordehai

  • 1Diagnostic Laboratory, New York State College of Veterinary Medicine, Drug Testing and Toxicology, Cornell University, Ithaca 14850.

Journal of Pharmaceutical and Biomedical Analysis
|November 1, 1993
PubMed
Summary
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Mass spectrometry (MS) is a powerful detection technique for pharmaceutical analysis. Atmospheric pressure ionization (API) MS coupled with separation sciences provides sensitive, specific identification of mixture components.

Area of Science:

  • Analytical Chemistry
  • Pharmaceutical Analysis

Background:

  • Mass spectrometry (MS) offers high sensitivity and specificity for analyzing complex mixtures.
  • Traditional MS systems faced challenges with liquid effluent from separation techniques.

Purpose of the Study:

  • To highlight the advantages of modern mass spectrometry, particularly atmospheric pressure ionization (API) MS, in pharmaceutical analysis.
  • To demonstrate the benefits of coupling API MS with condensed phase separation sciences.

Main Methods:

  • Coupling atmospheric pressure ionization (API) mass spectrometry with condensed phase separation techniques.
  • Utilizing sensitive and rugged API systems for unattended, long-term operation.

Main Results:

  • API MS provides definitive molecular weight and structural information for component identification.

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  • Modern API systems simplify the interface between liquid separation and high-vacuum mass analysis.
  • Unattended operation of API MS reduces cost per sample while increasing data richness.

    • Conclusions:

    • The combination of API MS and separation sciences offers a simpler, more sensitive, and specific detection method.
    • This approach provides valuable analytical opportunities for pharmaceutical laboratories.
    • The decoupling of the inlet from the high-vacuum system enhances MS applicability.