Process for elementary analysis by optical emission spectrometry

Details Process for elementary analysis by optical emission spectrometry Process for elementary analysis by optical emission spectrometry

1994-11-10

1996-12-10

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

G01N 2163

Patent

active

055836348

ABSTRACT:
A process for simultaneously blowing a gas jet onto a sample 6 to be analyzed and subsequently focusing a laser beam 4 onto the sample so as to produce a plasma 12 on the surface of the sample. An analysis is made of the spectrum S' of the light radiation emitted by the plasma and this spectrum analysis provides the basis for determining the composition of the isotopic composition of the sample.

REFERENCES:
patent: 4645342 (1987-02-01), Tanimoto et al.
Applied Spectroscopy, vol. 42, No. 7, 1988, Peter Arrowsmith, et al, "Entrainment and Transport of Laser Ablated Plumes for Subsequent Elemental Analysis", pp. 1231-1239.
Applied Spectroscopy, vol. 47, No. 5, May 1993, C. Aragon, et al., "Determination of Carbon Content in Molten Steel Using Laser-Induced Breakdown Spectroscopy", pp. 606-608.
Applied Spectroscopy, vol. 46, No. 9, Sep. 1992, J. A. Aguilera, et al., "Determination of Carbon Content in Steel using Laser-Induced Breakdown Spectroscopy", pp. 1382-1387.

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