ICP-OES and ICP-MS induction current
AssigneePerkinElmer LAS, Inc.
InventorsPeter J. Morrisroe, Thomas Myles
Life of this patent
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Abstract
In a method of spectroscopically analyzing a sample, a plasma is generated. A magnetic field is generated by a magnetic dipole wherein the plasma is confined within the magnetic field. Sample atoms are introduced into the plasma wherein energized atoms of the sample are confined. The spectral composition or mass-to-charge ratio of the energized sample atoms is analyzed. In a spectroscopic system a magnetic dipole has an associated magnetic field. A plasma is confined within the magnetic field and a sample of energized atoms introduced into the plasma. A spectrometer analyzes the energized atoms for the mass-to-charge ratio or for their spectral composition.
Claims21
A method of spectroscopically analyzing a material sample, the method comprising:
- generating a plasma;
- generating a loop current so as to generate a magnetic field, wherein the plasma is confined within the magnetic field;
- introducing atoms of the material sample into the plasma wherein excited sample atoms are confined;
- and
- analyzing characteristic features of the excited sample atoms.
A spectroscopic system comprising:
- a loop current having an associated magnetic field;
- a plasma confined within the magnetic field;
- a material sample of excited atoms within the plasma;
- a spectrometer for analyzing characteristic features the excited atoms.
Dependencies are inferred from the claim text.