GDMS :: GLOW DISCHARGE MASS SPECTROMETRY

The GD90 is a high resolution Glow Discharge Mass Spectrometer offering direct determination of elemental content (matrix to subtrace) in a variety of materials.  Glow Discharge is a mature, versatile technique for the direct determination of elemental content (matrix to sub-trace) in a variety of materials. Glow discharge occurs on a molecular level by applying a potential difference between the anode and the cathode (analyte). As atomisation and ionisation occur separately, minimal matrix effects are observed.

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Standard Features of GLOW DISCHARGE MASS SPECTROMETRY
  • GDMS is able to analyse a plethora of materials, right from.
    • Powders
    • Oxides
    • Low m.p. materials
    • Pellets
    • Shards
    • Foils
    • Waste products
    • Screws
    • Wires
    • Composites
    • Thin films/coatings
    • Surface analysis
  • Minimal sample preparation is needed for conducting materials
  • Non-conducting materials require a conducting binder to begin sputtering, but this only involves manually pressing the analyte onto a piece of indium
MSI-MASS Spectrometry Instruments