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Related Experiment Videos

Ion microprobe mass analyzer.

C A Andersen, J R Hinthorne

    Science (New York, N.Y.)
    |February 25, 1972
    PubMed
    Summary
    This summary is machine-generated.

    The ion microprobe mass analyzer offers valuable quantitative elemental and isotope analysis for solid materials. This technique enables high-resolution depth profiling and atom migration studies.

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    Area of Science:

    • Materials Science
    • Analytical Chemistry
    • Geochemistry

    Background:

    • The ion microprobe mass analyzer (IMMA) is a sophisticated instrument for materials analysis.
    • Accurate elemental and isotopic quantification is crucial in various scientific disciplines.

    Purpose of the Study:

    • To evaluate the quantitative capabilities and future applications of the IMMA for solid materials.
    • To assess the detection sensitivities and limitations for different elements and matrices.

    Main Methods:

    • Quantitative elemental analysis using IMMA.
    • Isotope ratio measurements without chemical separation.
    • Depth profiling with high spatial resolution.

    Main Results:

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  • All elements can be quantitatively analyzed, with sensitivities varying by matrix and ion polarity.
  • Detection limits are typically in the parts-per-million range for positive ions.
  • Isotope ratios can be measured accurately, with minimal mass discrimination.

    • Conclusions:

    • The IMMA is a powerful tool for quantitative analysis of solid materials, including trace elements and isotopes.
    • Its high depth resolution is ideal for studying surface phenomena and atom migration.
    • Further applications in materials science and related fields are anticipated.