Method and system for detecting ultra-trace quantities of metal

Details Method and system for detecting ultra-trace quantities of metal Method and system for detecting ultra-trace quantities of metal

1976-06-29

1978-08-22

Corbin, John K.

Optics: measuring and testing

Range or remote distance finding

With photodetection

356187, G01V 330

Patent

active

041085523

ABSTRACT:
A fluid matrix is sampled and evaluated for the presence of a metal carbonyl by separating predetermined elemental components from one another, forming an admixture between such elements and a carrier gas, oxidizing the admixture in the presence of an oxygen rich flame, selecting a predetermined range of wavelengths from the emission spectrum generated by the oxidized admixture and detecting the selected range.

REFERENCES:
patent: 3234779 (1966-02-01), Dawson, Jr.
patent: 3489498 (1970-01-01), Brody et al.
Gaydon, A. G. "The Spectroscopy of Flames", John Wiley & Sons 1957, pp. 223--233.
Degent et al. "Contribution to the Study of the Formation, Elimination & Analysis of Traces of Iron Carbonyl & Nickel Carbonyl in the Gas of the Beynes Underground Reservoir" Compte Rendu Assoc. Tech. de L'Ind. du Gaz; pp. 478-501, 1961, French Report.

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