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Mobile inductively coupled plasma system

United States Patent

5,889,587
March 30, 1999
View the Complete Patent at the US Patent & Trademark Office
Ames Laboratory - Visit the Iowa State University Research Foundation - Office of Intellectual Property & Technology Transfer Website
A system for sampling and analyzing a material located at a hazardous site. A laser located remote from the hazardous site is connected to an optical fiber, which directs laser radiation proximate the material at the hazardous site. The laser radiation abates a sample of the material. An inductively coupled plasma is located remotely from the material. An aerosol transport system carries the ablated particles to a plasma, where they are dissociated, atomized and excited to provide characteristic optical reduction of the elemental constituents of the sample. An optical spectrometer is located remotely from the site. A second optical fiber is connected to the optical spectrometer at one end and the plasma source at the other end to carry the optical radiation from the plasma source to the spectrometer.
D'Silva; Arthur P. (Ames, IA), Jaselskis; Edward J. (Ames, IA)
Iowa State University Research Foundation (Ames, IA)
08/ 117,242
September 3, 1993
The invention was made with support under contract with the Department of Energy Contract No. W-7405-ENG-82. The Government has certain rights in the invention.