Method and apparatus for emission spectroscopic analysis

Details Method and apparatus for emission spectroscopic analysis Method and apparatus for emission spectroscopic analysis

1988-11-21

1990-02-06

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356318, G01N 2163, G01N 2167

Patent

active

048984663

ABSTRACT:
Method and apparatus for emisson spectroscopic analysis by spark discharge, wherein each and every one of a number of spark discharges conducted for analysis of a sample comprises a high energy portion providing a sufficient amount of energy to vaporize the elements contained in the sample and a low energy portion providing a sufficient amount of energy to cause the vaporized elements to emit light, and wherein spectroscopic measurement is conducted in the low energy portion, or initiated in the end portion of high energy portion to continue in the low energy portion.

REFERENCES:
patent: 3680959 (1972-08-01), Schuch
patent: 4641968 (1987-02-01), Grandy

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