Spectroscopic analysis

Details Spectroscopic analysis Spectroscopic analysis

1993-03-05

1995-07-25

Hille, Rolf

Optics: measuring and testing

By dispersed light spectroscopy

With background radiation comparison

356316, 356328, G01J 336, G01J 330

Patent

active

054367239

ABSTRACT:
A spectroanalytical system with radiation dispersing apparatus for dispersing radiation into a spectrum for concurrent application to an array of exit ports; sample excitation apparatus for exciting sample material to be analyzed to spectroemissive levels for generating a beam of radiation for dispersion by the dispersing structure; the exit port array including a corresponding array of detectors including a first detector positioned adjacent a first exit port positioned to sense first order radiation from an element of interest and a second detector positioned adjacent a second exit port to sense second order radiation from the same element of interest; and processing apparatus for responding to outputs of the first and second detectors to provide a compensated output as a function of the quantity of the element of interest in the sample material.

REFERENCES:
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patent: 3532429 (1970-10-01), Hughes et al.
patent: 4469441 (1984-09-01), Bernier et al.
patent: 4575241 (1986-03-01), Demers et al.
patent: 4930892 (1990-06-01), Hadbawnik et al.
patent: 4973159 (1990-11-01), Sohma et al.
patent: 5141314 (1992-08-01), Belmore et al.

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